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The Bristol Hercules Aircraft Engine

In the late 1930's Sir Roy Fedden designed the Bristol Hercules twin row 14 cylinder air cooled supercharged radial engine, it was very reliable partially to the use of sleeve valves in place of the more conventional pushrod OHV arrangement. The Bristol Hercules powered many of Britain's WW2 and post war military aircraft including the Armstrong Whitworth Albemarle bomber, Bristol Beaufighter fighter bomber, Bristol Freighter, Handley Page Halifax heavy bomber, Handley Page Hastings military transport, Saro Lerwick flying boat, Short Stirling heavy bomber, Vickers Varsity military trainer, Vickers Wellesley bomber and some Vickers Wellington bombers.

Bristol Hercules Mk XVI Aircraft Engine


Bristol Hercules II Specifications:

  • Type: 14-cylinder, two-row, supercharged, air-cooled radial sleeve valve engine
  • Bore: 5.75 in (146 mm)
  • Stroke: 6.5 in (165 mm)
  • Displacement: 2,360 in³ (38.7 L)
  • Maximum power output: 1,356 hp (1,012 kW) at 2,750 rpm at 4,000 ft (1,220 m)
  • Fuel system: Single Claudel-Hobson carburettor
  • Compression ratio: 7.0:1

Bristol Hercules 264 Aero Engine

Bristol Hercules 264 Aero Engine

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Bristol Hercules Aircraft Engine picture and Specifications


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