Rolls-Royce R revolutions. Although not directly related to the Spitfire, the Supermarine engineers gained valuable experience of high-speed flight with the S.5 and S.6 aircraft, their next project being the Rolls-Royce Goshawk-powered Supermarine Type 224 prototype fighter aircraft. Technological advances used in the R engine, such as sodium-cooled valves and spark plugs able to operate under high boost pressures, were incorporated into the Rolls-Royce Merlin design. The author Steve Holter sums up the design of the Rolls-Royce R with these words: The Schneider Trophy was a prestigious annual prize competition for seaplanes that was first held in 1913. The 1926 race was
Rolls-Royce–Bentley L-series V8 engine the VAG W-12 engine. Rolls-Royce–Bentley L-series V8 engine The Rolls-Royce–Bentley L-series V8 engine was introduced in 1959 and is still in production. Built in Crewe, it was used on most Rolls-Royce and Bentley automobiles in the four decades after its introduction and is still used in the Bentley Mulsanne. With BMW's acquisition of the rights to use the Rolls Royce name in 1998, Rolls-Royce Motor Cars began using BMW supplied V12 engines but Bentley Motors Limited under Volkswagen ownership continued to use highly modified versions of the L series on its Arnage, Brooklands and Mulsanne models, with VAG W-12 engines