1 2 3 4 5 6 7 8
Parts List
Item Qty Part Name Material Supply
A 1 1 Crank case 6061-T6 aluminum Manufactured A
2 1 Crankshaft 4140 steel Manufactured
3 1 Crank bush Bronze, tin finish Purchased
8 4 1 Gudgeon Pin 4140 steel Manufactured
11
5 1 Piston 4032 aluminum Manufactured
6 1 Connecting rod 4140 steel Manufactured
10 7 1 Case cover 6061-T6 aluminum Manufactured
B 5 B
8 1 Cylinder 6061-T6 aluminum Manufactured
9 1 Cylinder head 6061-T6 aluminum Manufactured
4 9 6 10 1 Adjusting screw 304 stainless steel Manufactured
11 1 Adjuster handle 304 stainless steel Manufactured
12 1 Carburettor pipe and 6061-T6 aluminum Manufactured
lid
C 13 1 Fuel pot Polypropylene Manufactured C
14 4 Socket head screw, Alloy steel, Purchased
16 M3 x 0.5 mm black-oxide finish
15 1 Gear input shaft bush Bronze, tin finish Purchased
2
16 1 Precision flexiple Aluminium Purchased
15 shaft coupling
17 1 Fuel pipe Polypropylene Manufactured
18 1 Carburettor valve pin 4140 steel Manufactured
D
1 D
12
3
17
E E
7
14
13
Sheet size Document type Created by
A3 Exploded view Zac Woolford
Title Units Scale
F Exploded view of F
assembled engine mm 1:1
Group Dept. Rev. Date of issue Sheet
2 Mech. Eng. 4 15/12/24 1
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Parameter Valuation
Weight 0.07 kg
A Stroke length 10 mm A
A Bore diameter 10 mm
Stroke/bore ratio 1:1
Power output 45 W (0.06 hp)
Rotations per minute 12000
Engine displacement 8.12 * 10^-7 m^3
Clearance volume 4.79 *10^-8 m^3
90.70±.20
B B
Fuel type Parafin
Crankshaft diameter 6 mm
C C
D D
50.95±.20
E E
C
Sheet size Document type Created by
A3 Assembly drawing Zac Woolford
Title Units Scale
F 48.00±.10 Assembly drawing F
mm 1.5:1
Group Dept. Rev. Date of issue Sheet
2 Mech. Eng. 3 16/12/24 2
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
A-A (1.5:1) D (2:1)
A A
A
Fuel intake
Exaust port
B D B
Intake port
C C
A
B-B (1.5:1) C (2:1)
B
Transfer port
D D
Intake port
C
E E
B Sheet size Document type Created by
A3 Internal views Zac Woolford
Title Units Scale
F Sectional views of engine F
assembly mm 1.5:1
Group Dept. Rev. Date of issue Sheet
2 Mech. Eng. 2 16/12/24 3
1 2 3 4 5 6 7 8
