7-RA is a piston engine model used in aircraft.
Engine Family: piston
Bore: 114.3 millimetre
Compression ratio: 5.1
Cooling system: Air
Cylinder configuration: Radial
Cylinder count: 7
Displacement: 10034 cubic-centimetre
Dry weight: 184 kilogram
Fuel grade: 70
Fuel type: Avgas
Max. continuous RPM: 1825
Max. continuous hp: 130 horsepower
Max. takeoff RPM: 1825
Max. takeoff hp: 130 horsepower
Stroke: 139.7 millimetre