Ounce is a piston engine model used in aircraft.
Engine Family: piston
Bore: 127 millimetre
Compression ratio: 5
Cooling system: Air
Cylinder configuration: Horizontally opposed
Cylinder count: 2
Displacement: 3218 cubic-centimetre
Dry weight: 77 kilogram
Fuel grade: 74
Fuel type: Avgas
Max. continuous RPM: 1600
Max. continuous hp: 45 horsepower
Max. takeoff RPM: 1500
Max. takeoff hp: 45 horsepower
Stroke: 127 millimetre
