| |
CAM 100 |
Rotax 912 |
EA81 |
| Type |
4-cylinder, 4 stroke, in-line, liquid cooled |
4-cylinder, 4 stroke, opposed cylinders, liquid cooled |
4-cylinder, 4 stroke, opposed cylinders, liquid cooled |
| Core |
Honda |
Rotax |
Subaru |
| Power Output |
100 hp (75 kw) at propeller flange |
MAX: 80 hp @ 5500 rpm |
100 hp |
| Displacement |
1488 cc (90.7 in.) |
1,211.2 cc (73.91 in.) |
1781 cc (108 in.) |
| Bore |
74 mm (3.07 in.) |
79.5 mm (3.13 in.) |
92 mm (3.84 in.) |
| Stroke |
86.5 mm (3.41 in.) |
61.0 mm (2.40 in.) |
67 mm (2.68 in.) |
| Direction of Rotation |
Clockwise facing propeller flange |
Counter-clockwise (facing propeller flange) |
|
| Cooling |
Water-glycol mixture |
Liquid cooled cylinder heads, air cooled cylinder |
|
| Block |
One piece aluminum with iron liners |
|
|
| Crankshaft |
Full girdled, hardened, 5 main precision bearings |
Case-hardened with plain bearings |
|
| Lubrication |
Full pressure, internal gear type pump, wet sump |
Dry sump with trochoid pump, cam shaft driven, oil return by BLOW-BY gas |
a) Dry sump, remote reservoir - engine b) Self contained oil sump / Internal Mist - reduction |
| Ignition |
Redundant dual digital electronic |
Capacitor discharge double ignition, generator with electronic advance and integrated magneto, redundant |
Crank Triggered, dual ignition, single spark plug |
| Carburation |
2 barrel progressive opening downdraft |
Carburated |
|
| Reduction System |
100 mm (3.93 in.) HTD cog belt |
Integrated reduction gear, torsional shock absorption |
Helical Cut, Steel spur Gear type |
| Reduction Ratio |
2.4:1 |
2.27:1 |
1.48 to 3.41:1 (2.34:1 std) |
| Oil Type |
5W30 Synthetic |
SAE 20W50 or SAE 30 |
|
| Oil Quantity |
3.5 liters (3.7 US quarts) |
3.0 liters (.8 US gal) |
|
| Weight |
226 lbs (102.2 kg) |
140.8 lbs (63.9 kg) |
214 lbs (97.1 kg) |
| Fuel Required |
90 Octane unleaded, minimum (R + M)/2. Can also use 100 LL Aviation Gasoline |
Premium grade leaded gas or SUPER ROZ 95 unleaded |
Auto Lead & No Lead, Reg. or Premium Aviation 80/87 (red) and 100 LL |
| Cylinder Head |
One piece aluminum cross flow design |
4 separate cylinder heads |
|
| Compression Ratio |
9.6:1 |
9.0:1 |
8.9:1 |
| Camshaft |
Cast alloy, heat treated parkerized |
|
|
| Alternator |
15 Amp belt drive (65 amp optional) |
12V/250 W AC, 18 Amp |
Dual (2) "V" type Belt Drive |
| Specific Fuel Consumption |
.43 lb/bhp/hr at 80% power |
.45 lb/bhp/hr @ 75% cruise |
|
| Starting System |
Electric gear reduction starter |
Integrated electric starter |
2 kw, 3 stage, Geared Electric Starter |
| TBO |
2500 hours |
1,200 hours |
|
| Warranty |
5 Years / 500 Hours |
6 Months (1 Year Extended - Optional) |
1 Year |