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Rolls-Royce Eagle

The Engine Specifications
 
Early in World War I, the British Admiralty asked Rolls-Royce to develop a 200 hp aircraft engine.  Like many engines of the time, Rolls-Royce's design was strongly influenced by Mercedes.  The prototype Eagle was first run in 1915 and was soon producing 225 hp.

The Eagle was subjected to constant improvement; the Eagle VIII was producing 350 hp by 1917.  In the immediate post-war period, this engine was the leading British engine for large aircraft.  The Eagle powered the first direct transatlantic flight as well as the first flight from England to Australia – both in the Vickers Vimy aircraft.

V-12 piston engine
Liquid cooled
Displacement 1,238 cubic inches (20 liters)
Bore x stroke: 4.5 x 6.5 inches
 
Models Used by
 
Eagle VIII: 375 hp (280 kW)
de Havilland D.H.4
 
Related Pages
 
More about Rolls-Royce
 

page updated 26 August 2003

 

 

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