Rolls Royce engines
WWII: End of the Battle of Britain | Quarto Knows Blog
Brand New Merlins! Female workers at work on a Rolls-Royce Merlin engine assembly line in a factory located “somewhere in England” in 1942. Designed by Sir Henry Royce, the first Merlin ran in 1933 six months after Royce’s death; the Spitfires and Hurricanes that won the Battle of Britain were powered by Merlin IIs and IIIs.
Rolls Royce Merlin engines in production in Derby. The Rolls-Royce Merlin is a British liquid-cooled, V-12, piston aero engine, of 27-litre (1,650 cu in) capacity. Rolls-Royce Limited designed and built the engine which was initially known as the PV-12: the PV-12 became known as the Merlin following the company convention of naming its piston aero engines after birds of prey.