Rolls-Royce Merlin prey, Rolls-Royce named the engine the "Merlin" after a small, Northern Hemisphere falcon ("Falco columbarius"). Two more Rolls-Royce engines developed just prior to the war were added to the company's range. The Rolls-Royce Peregrine was an updated, supercharged development of their V-12 Kestrel design, while the 42-litre (2,560 cu in) Rolls-Royce Vulture used four Kestrel-sized cylinder blocks fitted to a single crankcase and driving a common crankshaft, forming an X-24 layout. This was to be used in larger aircraft such as the Avro Manchester. Although the Peregrine appeared to be a satisfactory design, it was never allowed to mature since
Rolls-Royce Motors of the RB211 jet engine. In 1973, the British government sold the Rolls-Royce car business to allow nationalised parent Rolls-Royce (1971) Limited to concentrate on jet engine manufacture. In 1980, Rolls-Royce Motors was acquired by Vickers. In 1998, Vickers plc decided to sell Rolls-Royce Motors. The leading contender seemed to be BMW, who already supplied internal combustion engines and other components for Rolls-Royce and Bentley cars. Their final offer of £340m was outbid by Volkswagen Group, who offered £430m. As part of the deal, Volkswagen Group acquired the historic Crewe factory, plus the rights to the "Spirit of Ecstasy" mascot