Rolls-Royce Peregrine
…propeller reduction gear. Four Kestrel/Peregrine cylinder banks attached to one crankcase and driving a common crankshaft would produce the contemporary Rolls-Royce Vulture, a 1,700-horsepower (1,300 kW) X-24 which would be used for bombers. Aircraft designs rapidly increased in size and power requirements to the point…