Photograph shows a Bristol Hercules XVIII is a double row, radial type, air cooled, 14 cylinder Aero engine another design by Sir Roy Fedden, an aircraft engine that was later to be used in the Hawker-Siddeley Harrier which also later became known as the Rolls Royce Pegasus.
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The Bristol Hercules XVIII Engine plane photograph shown, is free of cost to download providing that the photograph is not used for business or commercial gains.
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