642 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 76 millimetre
Compression ratio: 9
Cooling system: Air
Cylinder configuration: Inline
Cylinder count: 2
Displacement: 635 cubic-centimetre
Dry weight: 45 kilogram
Fuel grade: RON 91
Fuel type: Mogas
Max. continuous RPM: 5400
Max. continuous hp: 40 horsepower
Max. takeoff RPM: 5400
Max. takeoff hp: 40 horsepower
Stroke: 70 millimetre
ICAO: HB3
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