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Gnome-Rhône 14M
(Specifications for Gnome-Rhône 14M 4/5)
Type: Two-row air-cooled piston engine
Cylinder: 14
Bore: 122 mm
Stroke: 116 mm
Displacement: 18.92 L
Length: 1.25 m
Diameter: 0.96 m
Dry weight: 419 kg
Compression Ratio: 6.5:1
   Components:
Supercharger: single-stage single-speed
Fuel type: 87 octane
Cooling system: Air-cooled
Performance:
Power output:
– Take-off: 700 hp (1,100 mm Hg)
– at sea level: 570 hp (3,030 RPM, 900 mm Hg)
– at 4,000 m: 660 hp (3,000 RPM, 900 mm Hg)