Wright R-1300
Engine Specifications
Type: 7 cylinder air cooled radial
Lenght: N/A
Bore: 6.125 inches
Stroke: 6.312 inches
Displacement: 1300 cubic inches
Compression Ratio: 6.2 to 1
Dry Weight: N/A.
Ignition: N/A
Fuel Grade: 100/130 octane
Carburation: N/A
Performance: Take-Off:  700 HP @ 2600 rpm
Cruise: N/A