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Wright R-1300 Cyclone 7 ✕
Aircraft Engine Manufacturer Wright
Aircraft Engine Type Piston
Dry Weight (kg) 478.54
Diameter (mm) 139.7
Length (mm) 122.4788
Wikipedia Article (URL) en.wikipedia.org/wiki/Wright_R-1300_Cyclone_7
Fuel System Bendix-Stromberg PD9F1 downdraft carburetor with automatic mixture control
Cylinders 7
Cylinders Disposition radial
Bore (mm) 155.575
Stroke (mm) 160
Displacement (L) 21.3196
Supercharger 1-stage
Compression Ratio 6.2
Valvetrain Two pushrod-actuated valves per cylinder with sodium-cooled exhaust valve
Cooling Air-cooled
Maximum Takeoff Power (kW) 596.5599
Specific Power (kW/L) 0.4549
Power To Weight (kW/kg) 0.76