Dragonfly I is a piston engine model used in aircraft.
Engine Family: piston
Bore: 139.7 millimetre
Compression ratio: 4.42
Cooling system: Air
Cylinder configuration: Radial
Cylinder count: 9
Displacement: 22785 cubic-centimetre
Dry weight: 300 kilogram
Fuel grade: 40/50
Fuel type: Avgas
Max. continuous RPM: 1650
Max. continuous hp: 320 horsepower
Max. takeoff RPM: 1650
Max. takeoff hp: 320 horsepower
Stroke: 165.1 millimetre
