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British Industrial History

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Rolls-Royce Engines: Falcon

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Falcon III. Exhibit at the Shuttleworth Collection.
c1917. falcon.

Note: This is a sub-section of Rolls-Royce

The Rolls-Royce Falcon was an aero-engine developed in 1915. It was a smaller version of the Rolls-Royce Eagle; a liquid cooled V-12 of 14.2 litre capacity. Production began in September 1916 and was so successful that it continued until 1927, 2185 being built. The Falcon was notably used in the Bristol F.2 Fighter and Blackburn Kangaroo bomber.

General characteristics

  • Type: 12-cylinder liquid-cooled 60 deg. Vee aircraft piston engine
  • Bore: 4 in (102 mm)
  • Stroke: 5.75 in (146 mm)
  • Displacement: 867 in³ (14.2 L)


  • Valve-train: DOHC - Double Overhead Camshaft
  • Fuel type: petrol
  • Cooling system: Liquid-cooled


  • Power output: 140 kW /190 hp initially (Falcon I), later grew through 165 kW (220 hp) Falcon II to the final output of 205 kW (275 hp) of the Falcon III

See Also


Sources of Information

  • [] Wikipedia