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40hp, 2 cylinder, 2 stroke fan cooled or free air cooled engine with single electronic ignition. Comes complete with single carb, exhaust system, rewind starter and fuel pump.
£POA | |
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Version |
Performance |
Torque |
Max rpm |
|
kW |
hp |
1/min |
Nm |
ft. lb. |
1/min |
1/min |
|
447 UL-1V |
29.5 |
39.6 |
6500 |
46 |
34.0 |
6000 |
6800 |
|
447 UL-2V |
31.0 |
41.6 |
6500 |
47 |
34.7 |
6000 |
6800 | |
| |
|
Bore |
Stroke |
Displacement |
Compression ratio |
|
67.5 mm |
2.66 in |
61 mm |
2.40 in |
436.5 cm3 |
26.64 cu.in |
th:9.6 |
ef: 6.3 | |
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Fuel |
Super 2-stroke motoroil |
Mixing Ratio |
|
min. MON 83 RON 91
min. AKI 87
leaded or unleaded |
API –TC- Classification |
1:50 | |
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Ignition Unit |
Ignition Timing |
Spark Plug |
|
DUCATI single CDI |
18° v.OT |
ROTAX part number 897 055 | |
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Generator Performance |
R.P.M. |
Voltage |
|
155 W DC |
6000 1/min |
13.5 V | |
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Diagrams and specifications shown here are for the Fan cooled variant of the 447 UL. Free air cooled version also available. |
! Warning !
This aircraft engine does not comply with federal safety regulations for standard aircraft. This engine is for use in experimental and ultralight uncertified aircraft only and only in circumstances in which an engine failure will not compromise safety. Before operating the engine read operators manual. Information is available from your local authorised ROTAX distributor. | |
|
Weight |
kg |
lb |
|
standard |
engine |
26.8 |
59.1 |
|
1 carburetor |
0.9 |
2.0 |
|
exhaust system |
4.9 |
10.8 |
|
options |
2 air cleaners |
0.3 |
0.7 |
|
electric starter |
3.5 |
7.7 |
|
gearbox B / i = 2.0/2.24/2.58 |
4.5 |
9.9 |
|
gearbox C / i = 2.62/3.0/3.47/4.0 |
8.0 |
17.6 |
|
gearbox E / i = 2.62/3.0/3.47/4.0 |
11.2 |
24.7 |
|
external alternator 220 W DC |
1.1 |
2.4 |
|
intake silencer 1V |
0.8 |
1.8 |
|
intake silencer 2V |
1.1 |
2.4 |
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after muffler |
1.6 |
3.5 |
|
instrument FLYdat |
0.5 |
1.1 |
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recall instrument RDAT |
1.0 |
2.2 | |
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