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Cycle Dump

The document provides detailed specifications and calculations for the Bell 412 EPI aircraft's components, including wing areas, aspect ratios, and moment of inertia for various parts such as propellers and engines. It includes data on control surfaces, prop wash distribution, and mass distribution for the aircraft's components. Additionally, it outlines critical altitude and density information for prop engines.
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0% found this document useful (0 votes)
3 views34 pages

Cycle Dump

The document provides detailed specifications and calculations for the Bell 412 EPI aircraft's components, including wing areas, aspect ratios, and moment of inertia for various parts such as propellers and engines. It includes data on control surfaces, prop wash distribution, and mass distribution for the aircraft's components. Additionally, it outlines critical altitude and density information for prop engines.
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
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x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment


of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters
Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.

Body 23 (hgiRaN tllec):


The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

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•••••••••••••••••
X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
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x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m

The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment


of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters

Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.

Body 23 (hgiRaN tllec):


The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

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X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
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•••••••••••••••••

x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m

The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)
Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters

Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.

Body 23 (hgiRaN tllec):


The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

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X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
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•••••••••••••••••

x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m

The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment


of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters

Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.
Body 23 (hgiRaN tllec):
The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
•••••••••••••••••
X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
•••••••••••••••••

x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.
Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m

The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment


of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters

Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.

Body 23 (hgiRaN tllec):


The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
•••••••••••••••••
X-Plane, by Austin Meyer
122103
Simulating Aircraft/Laminar Research/BELL 412 EPI/Bell412.acf
•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••
•••••••••••••••••

x location positive aft x force positive right pitch/alpha pos nose up


y location positive right y force positive up roll pos right
z location positive up z force positive aft yaw/beta pos nose right

elevator, aileron, spoiler positive control surface up


rudder positive control surface right
drag-yaw positive control surface deployed
pitch cyclic prop pitch positive request nose up
roll cyclic prop pitch positive request nose right

Finite-wing and build-up for prop 1: Wing area for this wing is 2.5043 m*m.
After any wing-joining, our area is 2.50 m*m.
After any wing-joining, our semi-length is 7.01 m.
After any wing-joining, our root chord is 0.41 m.
After any wing-joining, our tip chord is 0.41 m.
After any wing-joining, our mean aero sweep is 0.1 deg.
After any wing-joining, our aspect ratio is 39.2491.
After any wing-joining, spanwise centroid is 0.5180 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.7407.

Finite-wing and build-up for prop 2: Wing area for this wing is 0.3368 m*m.
After any wing-joining, our area is 0.34 m*m.
After any wing-joining, our semi-length is 1.30 m.
After any wing-joining, our root chord is 0.29 m.
After any wing-joining, our tip chord is 0.29 m.
After any wing-joining, our mean aero sweep is 1.9 deg.
After any wing-joining, our aspect ratio is 9.9658.
After any wing-joining, spanwise centroid is 0.5511 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9245.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Right Stab: Wing area for this wing is 0.9523 m*m.
After any wing-joining, our area is 0.95 m*m.
After any wing-joining, our semi-length is 1.25 m.
After any wing-joining, our root chord is 0.76 m.
After any wing-joining, our tip chord is 0.76 m.
After any wing-joining, our mean aero sweep is 0.0 deg.
After any wing-joining, our aspect ratio is 3.2800.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9800.

Finite-wing and build-up for Vert Stab 2: Wing area for this wing is 1.1343 m*m.
After any wing-joining, our area is 1.13 m*m.
After any wing-joining, our semi-length is 1.89 m.
After any wing-joining, our root chord is 1.07 m.
After any wing-joining, our tip chord is 0.55 m.
After any wing-joining, our mean aero sweep is 42.0 deg.
After any wing-joining, our aspect ratio is 3.4774.
After any wing-joining, spanwise centroid is 0.5000 semi-spans. (this is
area centroid fraction of the way out to the tip)
After any wing-joining, our taper ratio is 1.0000.
Oswalds efficiency is therefore 0.9783.

The prop 1 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.06, rad2= 0.70, ring area is 1.5404 m*m.
element number 1, rad1= 0.70, rad2= 1.40, ring area is 4.6238 m*m.
element number 2, rad1= 1.40, rad2= 2.10, ring area is 7.7198 m*m.
element number 3, rad1= 2.10, rad2= 2.80, ring area is 10.8077 m*m.
element number 4, rad1= 2.80, rad2= 3.51, ring area is 13.8956 m*m.
element number 5, rad1= 3.51, rad2= 4.21, ring area is 16.9835 m*m.
element number 6, rad1= 4.21, rad2= 4.91, ring area is 20.0714 m*m.
element number 7, rad1= 4.91, rad2= 5.61, ring area is 23.1594 m*m.
element number 8, rad1= 5.61, rad2= 6.31, ring area is 26.2481 m*m.
element number 9, rad1= 6.31, rad2= 7.01, ring area is 29.3425 m*m.
TOTAL DISC AREA=154.4039 m*m
en=0, el=0, element_mass= 6.774 veh_prop_ptr(en)->prop_mass=6.774,
rad_arm_mtr= 0.50, veh_prop_ptr(en)->prop_mi_rpm= 1.664 kg*m*m
en=0, el=1, element_mass= 19.432 veh_prop_ptr(en)->prop_mass=26.206,
rad_arm_mtr= 1.20, veh_prop_ptr(en)->prop_mi_rpm= 29.492 kg*m*m
en=0, el=2, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=59.518,
rad_arm_mtr= 1.90, veh_prop_ptr(en)->prop_mi_rpm=149.461 kg*m*m
en=0, el=3, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=92.831,
rad_arm_mtr= 2.60, veh_prop_ptr(en)->prop_mi_rpm=374.439 kg*m*m
en=0, el=4, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=126.144,
rad_arm_mtr= 3.30, veh_prop_ptr(en)->prop_mi_rpm=737.168 kg*m*m
en=0, el=5, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=159.456,
rad_arm_mtr= 4.00, veh_prop_ptr(en)->prop_mi_rpm=1270.392 kg*m*m
en=0, el=6, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=192.769,
rad_arm_mtr= 4.70, veh_prop_ptr(en)->prop_mi_rpm=2006.854 kg*m*m
en=0, el=7, element_mass= 33.313 veh_prop_ptr(en)->prop_mass=226.081,
rad_arm_mtr= 5.40, veh_prop_ptr(en)->prop_mi_rpm=2979.298 kg*m*m
en=0, el=8, element_mass= 23.791 veh_prop_ptr(en)->prop_mass=249.873,
rad_arm_mtr= 6.10, veh_prop_ptr(en)->prop_mi_rpm=3865.719 kg*m*m
en=0, el=9, element_mass= 10.438 veh_prop_ptr(en)->prop_mass=260.310,
rad_arm_mtr= 6.80, veh_prop_ptr(en)->prop_mi_rpm=4349.075 kg*m*m
BEFORE any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m
The mass of prop 1 tip weights is 0.0 kg total (all blades) centered at
location 6.3 m
AFTER any tip weights, the prop 1 weighs 260.310 kg, and the MI is 4349.075
kg*m*m

The prop 2 DISC AREA is broken down into rings for propwash distribution as
follows:
element number 0, rad1= 0.04, rad2= 0.14, ring area is 0.0574 m*m.
element number 1, rad1= 0.14, rad2= 0.26, ring area is 0.1474 m*m.
element number 2, rad1= 0.26, rad2= 0.39, ring area is 0.2636 m*m.
element number 3, rad1= 0.39, rad2= 0.52, ring area is 0.3690 m*m.
element number 4, rad1= 0.52, rad2= 0.65, ring area is 0.4745 m*m.
element number 5, rad1= 0.65, rad2= 0.78, ring area is 0.5799 m*m.
element number 6, rad1= 0.78, rad2= 0.91, ring area is 0.6853 m*m.
element number 7, rad1= 0.91, rad2= 1.04, ring area is 0.7908 m*m.
element number 8, rad1= 1.04, rad2= 1.17, ring area is 0.8962 m*m.
element number 9, rad1= 1.17, rad2= 1.30, ring area is 1.0016 m*m.
TOTAL DISC AREA= 5.2718 m*m
en=1, el=0, element_mass= 0.148 veh_prop_ptr(en)->prop_mass=0.148,
rad_arm_mtr= 0.09, veh_prop_ptr(en)->prop_mi_rpm= 0.001 kg*m*m
en=1, el=1, element_mass= 0.657 veh_prop_ptr(en)->prop_mass=0.806,
rad_arm_mtr= 0.22, veh_prop_ptr(en)->prop_mi_rpm= 0.033 kg*m*m
en=1, el=2, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=2.396,
rad_arm_mtr= 0.35, veh_prop_ptr(en)->prop_mi_rpm= 0.229 kg*m*m
en=1, el=3, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=3.986,
rad_arm_mtr= 0.48, veh_prop_ptr(en)->prop_mi_rpm= 0.596 kg*m*m
en=1, el=4, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=5.576,
rad_arm_mtr= 0.61, veh_prop_ptr(en)->prop_mi_rpm= 1.187 kg*m*m
en=1, el=5, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=7.166,
rad_arm_mtr= 0.74, veh_prop_ptr(en)->prop_mi_rpm= 2.056 kg*m*m
en=1, el=6, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=8.756,
rad_arm_mtr= 0.87, veh_prop_ptr(en)->prop_mi_rpm= 3.256 kg*m*m
en=1, el=7, element_mass= 1.590 veh_prop_ptr(en)->prop_mass=10.346,
rad_arm_mtr= 1.00, veh_prop_ptr(en)->prop_mi_rpm= 4.841 kg*m*m
en=1, el=8, element_mass= 1.391 veh_prop_ptr(en)->prop_mass=11.737,
rad_arm_mtr= 1.13, veh_prop_ptr(en)->prop_mi_rpm= 6.611 kg*m*m
en=1, el=9, element_mass= 1.192 veh_prop_ptr(en)->prop_mass=12.929,
rad_arm_mtr= 1.26, veh_prop_ptr(en)->prop_mi_rpm= 8.496 kg*m*m
BEFORE any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m
AFTER any tip weights, the prop 2 weighs 12.929 kg, and the MI is 8.496
kg*m*m

Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m
Critical altitude for prop engines= 0 ft, rho at crit alt= 1.2250 kg/mmm, rho at
SL= 1.2250 kg/mmm, engine power boosted to 1.0000 of original, spinning motor MI
1.7529 kg*m*m

Engine # 0 is mass 248.206 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Engine # 1 is mass 248.206 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Prop # 0 is mass 260.310 kg at x= 0.00, y= 1.80, z= -0.04 (for moment of


inertia build-up)
Prop # 1 is mass 12.929 kg at x= 0.40, y= 1.97, z= 8.90 (for moment of
inertia build-up)

Fuel tank # 0 is mass 6.026 kg at x= 0.00, y= -0.06, z= 0.61 (for moment


of inertia build-up)
Fuel tank # 1 is mass 3.515 kg at x= 0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 2 is mass 3.515 kg at x= -0.76, y= -1.13, z= -0.30 (for moment
of inertia build-up)
Fuel tank # 3 is mass 10.545 kg at x= 0.00, y= -0.52, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 4 is mass 2.511 kg at x= 0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 5 is mass 2.511 kg at x= -0.76, y= -1.13, z= -0.91 (for moment
of inertia build-up)
Fuel tank # 6 is mass 12.553 kg at x= 0.00, y= -0.98, z= 0.61 (for moment
of inertia build-up)
Fuel tank # 7 is mass 4.519 kg at x= 0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)
Fuel tank # 8 is mass 4.519 kg at x= -0.76, y= -1.13, z= 0.30 (for moment
of inertia build-up)

Right Stab Running wetted area 0.3019 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Right Stab Running wetted area 0.6037 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.77 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 5.88 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 5.93 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Vert Stab 2 Running wetted area 0.9667 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.15 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in pitch is 7.07 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.
Running radius of gyration of the shell in yaw is 7.02 m, based on mass-
distribution across the shell of the craft with the 0.12 thickness wing giving a
0.16 weighting per square meter on this flying surface.

Body 1 (fuselage):
The frontal area is 4.0966 m*m.
The side area is 14.3132 m*m.
The top area is 16.3570 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is 0.02 m.
The longitudinal centroid for lift at 0 slip is -3.85 m.
The longitudinal centroid for lift at 180 slip is 2.18 meters

Running wetted area 53.9898 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.98 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.11 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.09 m, based on mass-
distribution across the shell of the craft.

Body 22 (nacele):
The frontal area is 0.0188 m*m.
The side area is 0.1896 m*m.
The top area is 0.1911 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is 0.00 m.
The longitudinal centroid for lift at 180 slip is 0.61 meters

Running wetted area 54.6234 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 0.99 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.10 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.07 m, based on mass-
distribution across the shell of the craft.

Body 23 (hgiRaN tllec):


The frontal area is 0.0167 m*m.
The side area is 0.0849 m*m.
The top area is 0.0956 m*m.
The lateral centroid is 0.00 m.
The vertical centroid is -0.00 m.
The longitudinal centroid for lift at 0 slip is -0.46 m.
The longitudinal centroid for lift at 180 slip is -0.15 meters

Running wetted area 54.9388 square meters for all parts listed so far
Running radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
Running radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

Sum of all engines have mass of 496.41 kg ( 16% of total):


The radius of gyration of the engines in roll is 1.91 m, based on all
engine masses and locations.
The radius of gyration of the engines in pitch is 6.57 m, based on all
engine masses and locations.
The radius of gyration of the engines in yaw is 6.30 m, based on all
engine masses and locations.

Sum of all props have mass of 273.24 kg ( 9% of total):


The radius of gyration of the props in roll is 1.81 m, based on all prop
masses and locations.
The radius of gyration of the props in pitch is 2.65 m, based on all prop
masses and locations.
The radius of gyration of the props in yaw is 1.94 m, based on all prop
masses and locations.

Sum of all tanks have mass of 50.21 kg ( 2% of total):


The radius of gyration of the tanks in roll is 1.04 m, based on all tank
masses and locations.
The radius of gyration of the tanks in pitch is 1.08 m, based on all tank
masses and locations.
The radius of gyration of the tanks in yaw is 0.76 m, based on all tank
masses and locations.

Remainder of the craft has mass 2258.21 ( 73% of total):


The radius of gyration of the shell in roll is 1.00 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in pitch is 3.16 m, based on mass-
distribution across the shell of the craft.
The radius of gyration of the shell in yaw is 3.13 m, based on mass-
distribution across the shell of the craft.

As specified in the manual radius of gyration in the Weight and Balance screen in
Plane Maker:
The radius of gyration in roll is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).
The radius of gyration in pitch is 4.07 m. (that's moment of inertia
50965.027 kg*m*m).
The radius of gyration in yaw is 2.48 m. (that's moment of inertia
18994.369 kg*m*m).

Wing area : 10.6907 m*m. (For wings 1 through 4 only, each times the
cosine of its' dihedral! This does not include stabilizers or misc wings!)
Wing MAC : 0.26 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)
Long-arm of 25% MAC : 0.00 m. (For wings 1 through 4 only! This does not
include stabilizers or misc wings!)

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