90 7D is a piston engine model used in aircraft.
Engine Family: piston
Bore: 104.78 millimetre
Compression ratio: 5.35
Cooling system: Air
Cylinder configuration: Radial
Cylinder count: 7
Displacement: 5747 cubic-centimetre
Dry weight: 132 kilogram
Fuel grade: 70
Fuel type: Avgas
Max. continuous RPM: 1975
Max. continuous hp: 90 horsepower
Max. takeoff RPM: 1975
Max. takeoff hp: 90 horsepower
Stroke: 95.25 millimetre
