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From Wikipedia, the free encyclopedia
The RAF 4 is a British air-cooled, V12 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 Daimler and Siddeley-Deasy. The RAF 5 was a pusher version of the same engine.[1]
RAF 4 | |
---|---|
Preserved RAF 4a engine at the Science Museum (London) | |
Type | Piston inline aero engine |
Manufacturer | Royal Aircraft Factory |
Designer | A.J. Rowledge |
First run | December 1914 |
Major applications | Royal Aircraft Factory R.E.8 |
Number built | >3,600 |
Developed from | RAF 1 |
A turbocharged experimental version of the RAF 4, the RAF 4d, was developed using a Rateau exhaust-driven turbocharger. The engine was test-flown in a R.E.8, but the turbocharging experiments were abandoned after the turbine failed on 4 May 1918.[2]
A preserved RAF 4a engine is on public display at the Science Museum (London).
Data from Lumsden[3]
Related development
Comparable engines
Related lists
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