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 V8 engine the L410I, denoting fuel injection, the L410IT (for Injection Turbo) and the L410ITI (for Injection Turbo Intercooler). 94MY (model year) saw the introduction of a serpentine drive belt front-end, revised combustion system and an integrated engine cover. Developments of the L410 continued in production to power Rolls-Royces and Bentleys until the adoption of BMW V12 power by Rolls-Royce in the Silver Seraph and, subsequently, after BMW was granted a license to use the Rolls-Royce brand (for automobiles) in the Goodwood-produced Phantom. The L410 engine is still used by Bentley well into the 21st century, having been brought back into production