678/1 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 82.5 millimetre
Compression ratio: 7.5
Cooling system: Air
Cylinder configuration: Horizontally opposed
Cylinder count: 4
Displacement: 1582 cubic-centimetre
Dry weight: 82 kilogram
Fuel grade: 80
Fuel type: Avgas
Max. continuous RPM: 4200
Max. continuous hp: 55 horsepower
Max. takeoff RPM: 4500
Max. takeoff hp: 65 horsepower
Stroke: 74 millimetre
