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RAF 3

British aircraft engine

Field	Value
name	RAF 3
image	RAF 3a Napier MLP 04.jpg
caption	RAF 3a on display at the Polish Aviation Museum
engine_type	Piston inline aero engine
national_origin	United Kingdom
manufacturer	Royal Aircraft Factory
first_run	September 1914
major_applications	Royal Aircraft Factory R.E.7
number_built	289
developed_from	RAF 1
developed_into	RAF 4

The RAF 3 is a British liquid-cooled, V-12 engine developed for aircraft use during World War I. Based on the eight–cylinder RAF 1 it was designed by the Royal Aircraft Factory but produced by the two British companies of Armstrong Whitworth and Napier & Son. The RAF 7 was a high compression version of the same engine.

Variants

;RAF 3 :1914 - Prototype engine, 200 horsepower (150 kW). ;RAF 3a :1914 - Main production variant, increased bore, 260 horsepower (194 kW). 29 built by Armstrong Whitworth, 260 built by Napier & Son. ;RAF 7 :300 horsepower (224 kW) high compression version with high-lift camshafts.

Applications

Airco DH.4
Royal Aircraft Factory R.E.7

Specifications (RAF 3a)

and start a new, fully-formatted line with -- |power/weight=0.33 hp/lb (0.54 kW/kg)

References

Notes

Bibliography

Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989.
Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. .

References

Gunston, 1989, p. 156.
Lumsden 2003, p. 223.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

1910s-aircraft-piston-engines v12-aircraft-engines

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