B-4 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 69.85 millimetre
Compression ratio: 4.6
Cooling system: Air
Cylinder configuration: Inline
Cylinder count: 4
Displacement: 1360 cubic-centimetre
Dry weight: 54 kilogram
Fuel grade: 70
Fuel type: Avgas
Max. continuous RPM: 2800
Max. continuous hp: 25 horsepower
Max. takeoff RPM: 2800
Max. takeoff hp: 25 horsepower
Stroke: 88.9 millimetre
