 |

Shown here with electric starter and
B
type gearbox. |
Rotax 447 UL SCDI 40HP
- 2-stroke engine specially developed for recreational
aircraft
- 2 cylinders, cooled by fan
- Piston ported intake
- Single capacitor discharge Ignition (SCDI)
- Single Bing carburetor
- Mikuni pulse driven diaphragm fuel pump
- Recoil or electric starter
- Available with various exhaust system configurations
- Operates on a mix of automotive fuel with a minimum of 87
octane rating (Canadian standards) and super 2-stroke oil of
API-TC classification, 50:1 ratio
- Time Between Overhauls (TBO): 300 hours
Performance
|
| Maximum power |
39.6HP / 29.5kW
@6500 RPM |
| Maximum torque |
34.0ft-lb / 46NM
@6000 RPM |
| Maximum RPM |
6800 RPM |
Combustion Chambers
|
| Bore |
2.66" /
67.5mm |
| Stroke |
2.40" /
61.0mm |
| Displacement |
26.64cu.in. / 436.5cm³ |
| Compression ratio |
Theoretical:
9.6
Effective: 6.3 |
Weight
|
| Engine with carburetor |
61.3lbs / 27.8Kg |
| Exhaust system |
10.8lbs / 4.9Kg |
| Air filter |
0.4lbs / 0.2Kg |
| No gearbox, no electric starter |
72.5lbs / 32.9Kg |
B gearbox,
no electric starter |
82.4lbs / 37.4Kg |
B gearbox,
electric starter |
93.2lbs / 42.3Kg |
C gearbox,
no electric starter |
90.1lbs / 40.9Kg |
C gearbox,
electric starter |
100.9lbs / 45.8Kg |
| E gearbox |
97.2lbs / 44.1Kg |
Documentation
|
| Information sheet |
447info.pdf / 363Kb /
Adobe Acrobat format |
| Performance graphs |
447perf.pdf / 20Kb /
Adobe Acrobat format |
| Technical drawings |
447draw.pdf / 201Kb /
Adobe Acrobat format |
| Manuals |
Visit
www.rotax-aircraft-engines.com |
| Service documentation |
Visit
www.rotax-owner.com |
|