Type: 4-cylinder, 4 stroke, in-line, liquid cooled, overhead camshaft, normally
aspirated |
Power output:
100hp
(74.6 kw) at propeller flange |
Displacement:1488cc (90.7in3) |
Bore:
74mm (3.07
in) |
Stroke:
86.5 mm
(3.41 in) |
Direction of Rotation:Clockwise (facing of propeller
flange) |
Cooling:
Water-glycol
mixture. Water pump driven by camshaft belt |
Block:
One piece
aluminum with re-borable cast iron liners |
Crankshaft:
Fully
girdled, hardened, 5 main precision bearings |
Lubrication:
Full
pressure, internal gear type pump, wet sump |
Ignition:
Redundant dual
digital electronic ignition with programmed automatic advance feeding single
plug/coil units |
Carburation:
2 barrel
progressive opening downdraft |
Reduction System:100mm (3.93 in) HTD Cog
Belt |
Reduction Ratio:
2.4:1(6000
rpm engine/2500 rpm propeller) (6500 engine/2700 propeller) |
Oil Type:
5W30
Synthetic |
Oil Quantity:
3.5 litres
(3.7 US quarts) |
Weight:226.2 lbs (103.2 kg)
Comparison Chart |
Dimensions:
H-25"
L-32" W-19 1/2" |
Fuel Required:
90 Octane
unleaded, minimum (R + M)/2 Can also use 100LL aviation gasoline |
Cylinder Head:
One piece,
aluminum, cross flow design |
Compression Ratio:9.6:1 |
Camshaft:Cast alloy, head treated,
parkerized |
Alternator:
15 Amp
belt drive |
Specific Fuel Consumption:
0.43
lb/bhp/hr at 80% power |
Starting System:
Electric
gear reduction starter |
Optional: Ellison Throttle Body Fuel
System
60 Amp
Alternator
|
|
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 |