Rolls-Royce Falcon

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. [Lumsden 2003, p.188.] The Falcon was notably used in the Bristol F.2 Fighter and Blackburn Kangaroo bomber.

An unusual feature of this engine is the epicyclic propeller reduction gear which contains a clutch designed to limit the maximum torque, thus protecting the reduction gears. [Guttery 1969, p.27.]

Applications

"List from:" The Shuttleworth Collection [Guttery 1969, p.27.]
*Armstrong Whitworth F.K.12
*Avro 523C
*Avro Pike
*Blackburn Kangaroo
*Bristol F.2 Fighter
*Fairey F.2
*Martinsyde Buzzard
*Parnall Perch
*Vickers Vendace
*Vickers Vedette

pecifications (Falcon III)

"Data from:" Jane's [Jane's 1989, p.312.] pistonspecs

type=12-cylinder liquid-cooled 60 deg. Vee aircraft piston engine
bore=4 in (101.6 mm)
stroke=5.75 in (146.05 mm)
displacement=867.1 in³ (14.2 L)
length=
diameter=
width=
height=
weight=695 lb (315 kg)
valvetrain= OHC - Overhead Camshaft
supercharger=
turbocharger=
fuelsystem=
fueltype= Petrol
oilsystem=
coolingsystem=Liquid-cooled
power= 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
specpower=
compression=5.3:1
fuelcon=18.5 gph
specfuelcon=
oilcon=0.75 gph
power/weight=2.8 lb/hp

ee also

*List of aircraft engines

References

Notes

Bibliography

* Guttery, T.E. "The Shuttleworth Collection". London: Wm. Carling & Co, 1969. SBN 901319-01-5
* "Jane's Fighting Aircraft of World War I". London. Studio Editions Ltd, 1993. ISBN 1-85170-347-0
* Lumsden, Alec. "British Piston Engines and their Aircraft". Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.

External links

* [http://www.enginehistory.org/G&jJBrossett/RR%20Falcon.jpgPhoto of a Rolls-Royce Falcon at enginehistory.org]