Rolls-Royce Peregrine Rolls-Royce Peregrine The Rolls-Royce Peregrine was a , liquid-cooled V-12 aero engine designed and built by the British manufacturer Rolls-Royce in the late 1930s. It was essentially the ultimate development of the company's Kestrel engine, which had seen widespread use in military aircraft of the pre-war period. Due to the wartime priority of Rolls-Royce Merlin development and production, the Peregrine saw limited use and was cancelled with only 301 engines being built. During the 1930s the use of superchargers to increase "effective displacement" of an aircraft engine came into common use. Charging of some form was a requirement for high-altitude
Rolls-Royce 20/25 Best timed speed: 76.27 mph Maximum Speeds in gears: Petrol Consumption: Driven Hard – 14 mpg The 20/25 engine and chassis were designed for the owner driver market – ideally fitted with a smaller sedan or coupe body as the one used in the 1935 Autocar Test. Unfortunately many 20/25’s were fitted with larger and heavier limousine bodies which hurt their performance. Only the chassis and mechanical parts were made by Rolls-Royce. The body was made and fitted by a coachbuilder selected by the owner. Amongst the most respected coachbuilders who produced bodies for Rolls Royce cars are Park Ward,