Rolls-Royce aircraft piston engines test stand. The Buzzard was an enlargement of the Kestrel of Condor size, developed in its most extreme form into the Rolls-Royce R racing engine used for the Schneider Trophy competition. The Vulture of 1939 was essentially two Peregrines on a common crankshaft in an X-24 configuration, both of these types being deemed unsuccessful. The Rolls-Royce Merlin, and later the development of the Buzzard, the Rolls-Royce Griffon were the two most successful designs for Rolls-Royce to serve in the Second World War, the Merlin powering RAF fighters the Hawker Hurricane, Supermarine Spitfire, fighter/bomber de Havilland Mosquito, Lancaster and Halifax heavy
Rolls-Royce V8 engine new V8 engine began in 1952, bearing no relation to the 1905 version apart from its V8 configuration. Rolls-Royce purchased Bentley in 1931 and the new engine was intended for use in both Rolls-Royce and Bentley automobiles. The result was a series of V8 engines known internally as the "L410", the name relating to its bore size of 4.10 inches, in accordance with the company practice. Despite some attempts at changing the naming convention, the engine has kept both the 4.10 inch bore and the name L410 throughout its life, with the exception of the odd prototype. Continuous improvement saw