Leonides 531/8 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 121.92 millimetre
Compression ratio: 6.5
Cooling system: Air
Cylinder configuration: Radial
Cylinder count: 9
Displacement: 12831 cubic-centimetre
Dry weight: 390 kilogram
Fuel grade: 100/130
Fuel type: Avgas
Max. continuous RPM: 3000
Max. continuous hp: 590 horsepower
Max. takeoff RPM: 3200
Max. takeoff hp: 650 horsepower
Stroke: 121.92 millimetre