DLE-35RA

Operator’s Manual

Specifications
Displacement: 34.5 cc [2.13 cu. in.]
Performance: 4.1HP / 8,500 rpm
Idle Speed: 1,600 rpm
Ignition Style: Electronic Ignition
Recommended Propellers: 18 u 8, 18 u 10, 19 u 8, 20 u 8, 20 u 10
Spark Plug Type: CM6
(Gap) 0.018in.– 0.020 in. [0.45mm – 0.51mm]
Diameter × Stroke: 1.5 in. [38.5 mm] u1.18 in. [ 30mm]
Compression Ratio: 7.6:1
Carburetor: DLE with Manual Choke
Weight: Main Engine − 2.08 lb [947g]
Muffler − 2.85 oz [81g]
Electronic Ignition − 4.69 oz [133g]
Engine Mount Standoffs − 3.06 oz [87g]
™ Fuel: 87− 93 Octane Gasoline with a 30:1
gas/2-stroke (2-cycle) oil mixture

© 2014 Hobbico®, Inc. DLEG0435 Mnl

 Parts List

(1) DLE-35RA Gas Engine with DLE Carburetor

(1) CM6 Spark Plug with Spare Ignition Wire Spring
(1) Muffler w/Gasket
(2) 5x15mm SHCS with 5mm Lock Washers (muffler mounting)
(1) Electronic Ignition Module w/ Additional Tachometer Lead
(4) 60mm Engine Mounting Standoffs
(4) 4x40 mm SHCS with 4mm Lock Washers & Flat Washers (propeller mounting)
(4) 5x20mm SHCS with 5mm Flat Washers (mounting engine to standoffs)
(1) Silicone Pick-up Wire Cover / Ignition Wire Cover
(1) Red Three Pin Connector Lead w/ Pig Tail (for ignition switch)
(2) Three Pin Connector Securing Clips
(1) DLE Decal
(4) 5x25mm SHCS with 5mm Washers
(2) 20x 60mm White Exhaust Tubes with Clamps (not pictured)

Safety Tips and Warnings

● This engine is not a toy. Please place your safety and the safety of
others paramount while operating. DLE will not be held responsible
for any safety issues or accidents involving this engine.
● Operate the engine in a properly ventilated area.
● Before starting the engine, please make sure all components
including the propeller and the engine mount are secure and tight.
It is strongly recommended that a screw sealant is used (Great
Planes Threadlocker GPMR6060) during engine installation.
● During the break-in period, it is recommended that the engine be
installed on the aircraft or a test stand with an appropriate shock
absorber. Otherwise it is probable that vibration could rebound
2
 back to the engine and serious damages may occur during the
break-in period. Break-in should be considered about the first 3-5
gallons you run in the engine.
● For your safety and the safety of others, please do not stand in
front or in line with the propeller when the engine is running. Keep
onlookers away from the running engine, especially small children.
● Always use a balanced spinner and a balanced propeller. An
unbalanced spinner and propeller combination will cause high levels
of vibration and may cause the propeller shaft to break. Always
use a lightweight spinner on your engine. Lightweight spinners
are considered to be those with a cone wall of 1mm or less. Heavy
spinners could cause the propeller shaft to break. Securely tighten
the spinner and propeller on the engine to prevent them from being
thrown off the engine while running.
● Never use a propeller that has hit the ground. Even though it may
look good from the outside, it may be cracked on the inside which
may cause it to disintegrate while in use. Do not use a nicked,
cracked or split propeller.
● Keep foreign objects away from the propeller. Make sure that
nothing can be “sucked in” by the propeller.
● Never start the engine on loose gravel or sand.
● Do not attempt to stop the engine by throwing anything into the
path of the propeller.
● Make sure the fuel line is well-secured to the engine and to the
fuel tank so that it won’t come off in flight.
● Do not use silicone fuel line because it will be dissolved by the fuel.
Use gasoline approved rubber fuel line. Always secure the fuel
line away from the cylinder head. The engine’s heat can damage
the fuel line.
● Never touch the engine immediately after a run. The engine will
be hot.
● Before transporting your model, remove all the fuel from the fuel
tank and fuel lines.
● Always use high-quality oil intended for 2-stroke (2-cycle) engines.
It’s a good idea to use a petroleum-based 2-cycle motor oil like
Lawn Boy All Season - Ashless oil for the break-in period.
● The throttle and choke pushrods should be non-metallic.
● If the engine is not to be used for more than a month, drain the
fuel tank and remove any fuel from inside the carburetor. Do this
by running the engine at idle until it quits by running out of fuel.
Keeping gasoline inside the carburetor over an extended period of
time will damage the diaphragm valve and clog passages inside
the carburetor. Due to the carburetor being more complicated
than those used in glow engines, keep the fuel clean by using a
3
 fuel filter. Use a filter intended to be used with gasoline engines.
Metal filters intended for glow engine are too coarse and will not
screen out finer particles.
● Always filter your fuel by using an appropriate filter before putting
it into the airplane’s fuel tank.
● Gasoline is extremely flammable. Keep it away from an open flame,
excessive heat or sources of sparks.
● Do not smoke near the engine or the fuel tank.
● This engine was designed for use in a model aircraft. Do not attempt
to use it for any other purpose.
● Always install an ignition system on/off switch on the aircraft used.
● Do not install your throttle servo inside the engine compartment.
Doing so could cause radio interference. Install all electronic radio
devices at least 12" [305mm] away from the engine.
● Caution: Running the engine with a lean gas mixing will cause the
engine to overheat and burn the electrode of the spark plug. Pay
close attention to the High-speed Needle adjustment. Running the
engine with the proper gas mixing will cause the spark plugs to
appear yellow at the ignition point.
● For optimum performance please use fresh or recently purchased
93 octane gasoline (87 octane gasoline will suffice) with a 30:1 gas/
oil mixture.
GAS/OIL Mixing Chart
1 Gallon Gasoline (128 fl oz /3.78L) / 2-Cycle Oil
(4.26 fl oz/125.68ml) = 30:1 ratio
● Excessive running of the engine at idle speed can result in a seriously
carbonized spark plug.
● Keep the surface of the engine clean to ensure proper heat
dissipation. Ensure proper cooling/ventilation around the cylinder
with adequate air exhaust.
● To avoid permanent damage to the electronic ignition system,
NEVER rotate the propeller on your DLE engine with the electronic
ignition system switched on and the plug not installed in the plug cap.
● If you choose to use the optional TX activated gas engine kill switch
(DLEG9205) it is strongly recommended that you install the TX
activated kill switch between the with a manual on/off switch and
the ignition. The manual on/off switch provides an added safety
feature in the event the TX activated kill switch does not function
properly. This is especially important during the starting sequence
as it requires the manual on/off switch to be in the ON position
before ignition can occur.

4
 Installation Instructions
Prepare the engine for installation
1. Check to see that all screws and bolts are tight. Check carefully for
any cracks, broken or missing parts.Tighten or replace any damaged
or missing parts before proceeding.

2. Install the silicone wire cover over the pick up lead coming from
the engine (cut the excess silicon wire cover) and connect the lead
to the pick–up lead from the Electronic Ignition Module. Secure
the connection with the included three pin connector securing clip.

3. Connect the on/off switch lead to the red connector from the
ignition control module using the lead from the on/off switch or
with the included three pin connector with pig tail. Use one of the
5 included three pin securing clips to secure the connection.
 Switch (Not included)
Charge Lead

Battery Lead

OPTIONAL Ignition OPTO Gas Engine Kill Switch LED

Battery Lead (DLEG9205, not included)

KILL
SWITCH
Rx Batt
Ignition Rx Lead

Ignition Control Switch Wire (To On/Off Switch)

Tachometer Lead/
RPM Signal Output
ELECTRONIC IGNITION
SYSTEM
Tachometer
OPTIONAL
(Not included) DLEG5525
Pick-Up
Ignition Wire Sensor Wire
(To Sensor
(To Spark Plug)
On Engine)

4. Connect the ignition module battery to the on/off switch. Any

4.8 – 8.4V, 1000mAh and above capacity battery will work well for
this. Use heat shrink tubing to secure this connection. Optional:
Install the TX activated gas engine kill switch (DLEG9205) between
the manual on/off switch and the ignition as shown above. This is
especially important during the starting sequence as it requires the
manual on/off switch to be in the ON position before ignition can
occur. The kill switch LED should be installed on the exterior of the
aircraft so that it’s visible from the front of the aircraft. This is to
ensure that the person starting the engine is aware that the ignition
is armed. If properly installed as shown above, an illuminated red
LED indicates that that the ignition is armed.
5. Install the ignition on/off switch on the aircraft so that it is
easily accessible.
6. Install the ignition module
and battery securely in the
airplane forward area. It is
recommended that a thin
piece of foam rubber is
placed between the module
and the mounting surface
and that Velcro® strap is used
to hold the module in place.
6
 7. Secure all connections with heat shrink tubing. (not supplied)
8. Install the silicone ignition wire cover over the ignition wire to
the spark plug.
9. Install the spark plug into the engine cylinder (7– 8 lbs Torque).
Do not over tighten.

Installing the DLE-35RA on Your Airplane

Note: The DLE-35RA must be installed on at least a 3/8" [9.5 mm] firewall.
The firewall must be securely glued to the airplane. Use triangle stock
and pin the firewall with hardwood dowels to reinforce the firewall
glue joints. Never install the DLE-35RA onto a firewall thinner than
specified because it may fail due to the power of the engine.
Note: The length of the engine from the back on the engine mount
to the face of the propeller washer is 6.30" [160 mm].
1. Use the supplied template (on the back cover of this manual) to
drill the engine mounting bolt holes.
2. Install the standoffs to the
engine with the included (4) 5
x 25mm SHCS and 5 mm flat
washers (it’s a good idea to use
5mm lock washers between the
SHCS and the flat washers). Next,
install the engine with standoffs
to the firewall using (4) 5 x 20 mm
SHCS with 5 mm lock washers and flat washers (not included). Use
threadlocking compound, such as Great Planes® Pro™ Threadlocker
(GPMR6060) on all mounting screws.
3. Install the fuel tank in the airframe. Use only gasoline approved
fuel tank and fuel lines and a gasoline approved stopper. One line
should go to the carburetor and the other is to be used as a vent (a
vent line is simply an open ended fuel line from the fuel tank which
exits the engine compartment or the fuselage; most vent lines exit at
the bottom of the firewall).You can fill the tank by using the carburetor
line as fill line if you have access to it or install a third line to be used
as fill line. Installing a third line is the cleanest and easiest way to add
fuel. An alternative fueling set up is a 2-line system with a T-fitting
approved for gasoline use. Be sure to use a filler plug with either a 2
line or 3 line set-up. It’s a good idea to add an extension to the vent
line as shown, that goes up and to the rear of the tank. This helps to
avoid draining fuel from the tank when the model is pointed down.

7
 Supply Line Make connection line
Fuel Tank to T-Fitting between T-Fitting and
Carb
Carburetor as short
as possible.

2-LINE
Clunk Line
SET UP T-Fitting
Filler Cap
Fuel fill line or Plug

Drain/Vent Pressure Relief Line

This line must be extended
Route to top-front of fuel tank interior,
to exit the bottom of the aircraft.
to prevent siphoning (2-Line Set-up)

Fuel Tank Drain/Vent Pressure Relief Line

Route to top-front of fuel tank
interior, to prevent siphoning.

Clunk Lines
3-LINE Carb
SET UP Supply Line
to Carburetor

Fuel fill line

Plug This line must be extended
to exit the bottom of the aircraft.

4. Install the throttle servo at least 12" [305 mm] away from the
engine. Make sure that you get the carburetor’s full range of rotation
with your servo travel. Be sure to use a non-metallic linkage.

5. Install the choke

servo (optional) at
least 12" [305 mm]
away from the
engine. Be sure to
use a non-metallic
linkage.

8
 6. Connect the
ignition wire from
ignition module
to the spark plug.
7. I n s t a l l t h e
muffler onto the
engine. Be sure to
use threadlocker
and that the
ignition wire does
not contact the
muffler.

8. Install the exhaust tubes and clamps onto the muffler.

9. Cut all necessary clearance, carburetor adjustment, cooling, and
exhaust holes in the cowl.
10. Please ensure the sensor wire is supported as close to the sensor
pick-up as possible. Flight loads may cause stress and damage to
the wire where it enters the sensor body.
11. Make sure the cowl is secured to the airplane and that the spinner
back plate to cowl clearance is at least 1/8" [3.2 mm]. When starting
the engine for the first time and during break-in, it’s recommended
that you run the engine without the cowling.

Drill and Install the Propeller

The easiest way to drill the propeller to fit the hub is to use a drill
guide. (DLEQ0301) If you do not have a drill guide, you can use the
following method to drill your propeller. Most propellers within the
recommended size range have a 0.393" [10 mm] center hole pre-
drilled. If your propeller has this predrilled hole, move on to step
3. If not, start with step 1.

1. Remove the cowling from the aircraft. Use the included propeller
washer to mark the centering hole on the propeller
2. Once the location is established, use a drill press with a 13/32
(.406/10.31mm) drill bit. In order to achieve a clean hole opening on
both sides of the propeller, drill only half way through the propeller
with the 13/32 (.406 /10.31mm) drill bit. Then flip the propeller over
and drill completely through the hole.
9
 3. Next, set the engine at the beginning of the compression stroke.
Note the position of the ignition magnet with engine inverted.

4. Place the propeller

on the crankshaft
at the one o’clock
position.

5. Mark the location

of one of the outer
holes while the
propeller is in the
beginning of the
compression stroke
position. Use a GPM
Dead Center Hole
Locator (GPMR8130)
to center and start
the hole.

10
 6. Remove the propeller from the engine and drill the outer hole
on the drill press using a #35 (.110"/ 2.81mm) drill bit as a pilot hole.
Next use a #22 (.157"/ 4.01mm) drill bit to finish the hole. In order
to achieve a clean finish on both sides of the propeller, drill only
half way through the propeller with the finishing drill bit. Then flip
the propeller over and drill completely through the hole.

7. Use one of the 4x 40mm

SHCS with 4mm lock
washers and flat washers
to align the propeller washer
on the propeller and use the
Dead Center Hole Locator
to mark the position of the
remaining holes.

8. Drill the remaining three

holes in the propeller using
the same technique as in
step 6.

9. Mount the propeller to the engine using the 4x40 mm SHCS with
4 mm lock washers and flat washers. Be sure to use threadlocker.

Starting Procedures
There are two recommended ways to start the DLE-35RA:
A. Manual Starting
Note: When hand starting the DLE-35RA, use a thick glove or heavy
duty starter stick to protect your hand.
1. The propeller should be installed on the drive washer so that
it is at the one o’clock position and at the beginning of the
compression stroke so that it is comfortable to flip it through
compression.
2. Have someone help you hold the airplane while you start the
engine.
3. Close the choke on the carburetor and open the throttle slightly
from the idle position.
4. Switch on, or power your radio system and make sure you
have control of the throttle visually at the carburetor. Also make
sure that the reversing position of the servo is correct at the
transmitter and that the throttle is at the minimum position.
5. Switch the ignition to ON. If you installed the optional TX
activated gas engine kill switch (DLEG9205) properly between
the manual on/off switch and the ignition, make sure that the
11
 TX switch assigned is in the on position. The LED should be
illuminated red to indicate that the ignition is armed.
6. Flip the propeller counter clockwise several times briskly.
7. After you hear some initial firing sounds, move the choke lever
to the OPEN position.
8. Set the throttle to a high idle. Set the propeller so that it’s at the
beginning of the compression stroke
9. Flip the propeller through compression rapidly. If this is done
properly, the engine will start after several brisk flips of the
propeller.
10. After starting, let the engine idle for 30 to 45 seconds. Open
and close the throttle slowly until the engine runs smoothly at
idle and at full throttle. Acceleration should also be smooth. If
acceleration is not smooth adjustments to the carburetor may
be necessary. (See Adjustment of the Engine on page 14.)
11. If your engine does not start, repeat steps 6 through 10.
B. Electric Starter Starting
1. A 24 volt electric starter is recommended to start the DLE-35RA.
Make sure you use a high quality, lightweight aluminum spinner.
2. Have someone help you hold the airplane while you start it.
3. Close the choke on the carburetor and open the throttle slightly
from the idle position.
4. Switch on, or power your radio system and make sure you
have control of the throttle visually at the carburetor. Also make
sure that the reversing position of the servo is correct at the
transmitter and that the throttle is at the minimum position.
5. Switch the ignition to ON. If you installed the optional TX
activated gas engine kill switch (DLEG9205) properly between
the manual on/off switch and the ignition, make sure that the
TX switch assigned is in the on position. The LED should be
illuminated red to indicate that the ignition is armed.
6. Using the starter, turn over the engine till popping sound is
heard. Next, open the choke.
7. Use your electric starter to turn over the engine until it starts.
8. After starting, let the engine idle for one to two minutes. Open
and close the throttle slowly until the engine runs smoothly at
idle and at full throttle. Acceleration should also be smooth. If
acceleration is not smooth, adjustments to the carburetor may
be necessary. (See Adjustment of the Engine on pages 10 –12.)

12 9. If your engine does not start, repeat steps 6 and 7.

 Engine Troubleshooting
If your engine fails to start after the preceding starting procedures
please check the following.

Symptom Diagnosis Fix

Ignition battery Charge or

voltage low replace battery

Battery wires faulty Replace wires or

or loose Re-connect/check
connections
Engine
does not
fire
Faulty spark plug Replace spark plug
or not firing or check for spark *

Engine flooded Remove plug,

disconnect fuel
line, rotate prop
to remove fuel

Fuel not reaching Check for:

Engine engine
starts, a) fuel in tank
then rpm b) fuel tubing
increases cut, blocked,
till engine or kinked
cuts out c) carburetor
clogged

* This can be done by removing the spark plug from the cylinder
of the engine, inserting the plug onto the plug cap, and contacting
the plug to the outside of the crankcase. Have an assistant turn the
engine over while checking this and be sure to have the spark plug
firmly plugged into the ignition wire. Warning: The high voltage
from the ignition can cause bodily harm, especially when checking
for spark in this manner.
13
 Adjustment of the Engine
Each DLE Engine has been factory preset. However, higher
elevations will influence the performance of the carburetor. To
obtain optimum output of the engine, slight adjustment of the
carburetor maybe necessary. For safety reasons do not make
adjustment to the carburetor while the engine is running.

Engine Functions and Adjustments

1. Choke Control
(the choke control
should be used
when the engine
is cold)

2. Throttle Control

3. Idle Adjustment
Screw (adjust
the idle speed)

4. (L) Low-speed
Needle (adjusts
the fuel/air
mixture at low
speeds)

5. (H) High-speed
Needle (adjusts
the fuel/air
mixture at high
speeds)

Idle Adjustment

Turning the Idle Adjustment Screw (No.3) clockwise will increase the
idle speed. Turning the Idle Screw counter-clockwise will decrease
the idle speed.

Low Speed Needle Adjustment

Turning the Low-speed Needle (No.4) clockwise will lean the fuel/air
mixture at low speeds.Turning the Low-speed Needle (No.4) counter-
14 clockwise will richen the fuel/air mixture at low speeds. (The default
 or factory setting of the Low-speed Needle is as follows: turn the
needle to the fully stop/closed position and then turn back 1.5 turns)

High Speed Needle Adjustment

Turning the High-speed Needle (No.5) clockwise will lean the fuel/
air mixture at high speeds. Turning the Low-speed Needle (No.5)
counter-clockwise will richen the fuel/air mixture at high speeds. (The
default or factory setting of the High-speed Needle is as follows:
turn the needle to the fully stop/closed position and then open the
needle 1.5 –2 turns). It is recommended that the High-speed Needle
be adjusted by the use of a tachometer to obtain maximum speed.

Smooth acceleration and deceleration is an indicator of proper

engine performance.

Ignition Timing Adjustment

The ignition timing is preset on the DLE-35RA at 46° before Top
Dead Center (TDC). The ignition timing can be advanced or retarded
slightly by loosening the (2) ignition sensor phillips head screws
and sliding the sensor to the full extent clockwise (47° advancing the
ignition) or counter clockwise (45° retarding the ignition). Be sure to
retighten the phillips head screws after adjusting the ignition timing.

Advancing the timing causes combustion to occur earlier, resulting

in higher performance of the engine. However, advancing the timing
also causes higher engine temperatures and can cause premature
wear of internal engine components.

Carburetor Adjustment Troubleshooting

Problem:
If The engine hesitates when accelerated rapidly.
or The rpm increases at idling.
or The engine stops when the throttle is moved from high to low.
Solution:
The low-speed needle “L” is too lean. Open it up about 1/8 of a
turn and try again.

Problem:
If The idle is not steady.
Solution:
The low-speed needle “L” valve is too rich. Close it 1/8 of a turn
and try again.

15
 Problem:
If Engine stops at full throttle.
or Engine hesitates when accelerated rapidly.
or The engine will not come up to full rpm at full throttle.
Solution:
The high-speed needle valve “H” is too lean. Open it up 1/8 of
a turn and try again.

Problem:
If Your engine does not reach full rpm.
or Carbon build-ups appear consistently on your spark plug.
Solution:
The high-speed needle valve “H” is too rich. Close it up 1/8 turn
and try again.

16
 Optional Digital Tachometer (not included)
An optional DigitalTachometer
(DLEG5525) is available that
can be directly connected
to the ignition and display
the RPMs of the engine. This
unit can be installed on the
aircraft or used to spot check
the Engine RPMs. Do not
install or uninstall the Digital Tachometer while the engine is running.

Many of the DLE Ignition modules have an additional lead to plug

into the optional tachometer. If your ignition module does not have
this additional lead, the digital tachometer can still be used. Simply
use the Y-harness (included with the Digital Tachometer) to connect
to the pick-up lead from the engine. Be sure to secure all connections
and to secure the Digital Tachometer or leads on the aircraft used.

Engine Maintenance
Please clean the fuel filter in the carburetor periodically. Failure to do
so may result in mis-calibration of the needle adjustments. In order
to do this it is necessary to remove the phillips head screw which
secures the Carburetor Filter Cover and the Carburetor Filter Gasket.
Use only carburetor cleaner to spray the opening around the filter.
17
18
 Warranty Information
The DLE-35RA has a two year limited warranty through Hobby
Services beginning at date of purchase. Please retain your receipt
as your proof of purchase.

Contact Us
Hobby Services
3002 N. Apollo Drive Suite #1 Ph: 217-398-0007
Champaign, Il 61822 Fax: 217-398-7721
E-mail: hobbyservices@hobbico.com
Web address: www.hobbyservices.com

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 Replacement Parts
Mfg
Key Stock Stock
No. No. No. Description
1 DLEG3101 35RA-K1 Propeller Washer
2 DLEG3502 35RA-K2 Propeller Drive Nut
3 DLEG3503 35RA-K3 Propeller Drive Hub
4 DLEG3504 35RA-K4 Bearing Front
5 DLEG3505 35RA-K5 Crankcase
6 DLEG3506 35RA-K6 Crankshaft Spacer
7 DLEG3507 35RA-K7 Bearing Rear
8 DLEG3508 35RA-K8 Woodruff Key
9 DLEG3509 35RA-K9 Crankshaft
10
12
16 DLEG3510 35RA-K10 Gasket Set
24
30
11 DLEG3511 35RA-K11 Carburetor Heat Block
13 DLEG3513 35RA-K13 Reed Valve Assembly
14 DLEG3514 35RA-K14 Reed Valve Petal
15 DLEG3515 35RA-K15 Reed Valve Plate
17 DLEG3517 35RA-K17 Carburetor Complete
18 DLEG3518 35RA-K18 Engine Mount Stand Offs
19 DLEG3519 35RA-K19 Needle Bearing
20 DLEG3520 35RA-K20 Piston w/ Pin
21 DLEG3521 35RA-K21 Piston Pin
22 DLEG3522 35RA-K22 Piston Pin Retainer
23 DLEG3523 35RA-K23 Piston Ring
25 DLEG3525 35RA-K25 Cylinder w/ Gasket
26 DLEG3526 35RA-K26 Spark Plug
27 DLEG3527 35RA-K27 Spark Plug Cap
28 DLEG3528 35RA-K28 Electronic Ignition #6
29 DLEG3529 35RA-K29 Ignition Sensor
31 DLEG3531 35RA-K31 Muffler
32 DLEG3532 35RA-K32 Exhaust Clamp
33 DLEG3533 35RA-K33 Exhaust Tube
34 DLEG3534 35RA-K34 Screw Set
Optional Parts (not shown)
DLEG5525 Onboard Digital Tachometer
DLEG9205 Gas Engine Kill Switch V2.0
DLEQ0301 Prop Drill Guide (30, 35RA)

21
 4.33 in.
[110 mm]

2.36 in. [60 mm]

6.30 in. [160 mm]

22
 3.15 in. [80 mm]

2.13 in.
[54 mm]

2.76 in. [ 70 mm]

23
DLE-35RA Mounting Pattern

2.76 in. [ 70 mm]

2.13 in.
[54 mm]

3.15 in. [ 80 mm]