ROTAX 447 UL SCDI 40HP AIRCRAFT ENGINE

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• 2-stroke engine specially developed for recreational aircraft
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• 2 cylinders, cooled by fan
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• Piston ported intake
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• Single capacitor discharge Ignition (SCDI)
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• Single Bing carburetor
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• Mikuni pulse driven diaphragm fuel pump
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• Recoil or electric starter
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• Available with various exhaust system configurations
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• 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
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• Time Between Overhauls (TBO): 300 hours
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rn PERFORMANCE rn
Maximum power	39.6HP / 29.5kW @6500 RPM
Maximum torque	34.0ft-lb / 46NM @6000 RPM
Maximum RPM	6800 RPM
rn COMBUSTION CHAMBERS rn
Bore	2.66" / 67.5mm
Stroke	2.40" / 61.0mm
Displacement	26.64cu.in. / 436.5cm³
Compression ratio	Theoretical: 9.6 Effective: 6.3
rn WEIGHT rn
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

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