Rolls Royce Kestrel

Ronald W Harker, The engines were Rolls Royce, Macmillan Pub. 1979

The 715 hp Rolls Royce Kestrel was the forerunner of the Merlin. It was in production from 1927 till 1938, was used in twenty five types of RAF planes and was even the engine used in the prototype Messerschmitt 109.