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The Rolls-Royce Griffon is a British 37-litre (2,240 cu in) capacity, 60-degree V-12, liquid-cooled aero engine designed and built by Rolls-Royce Limited. In keeping with company convention, the Griffon was named after a bird of prey , in this case the griffon vulture .
The Rolls-Royce Griffon engine was designed in answer to Royal Navy specifications for an engine capable of generating good power at low altitudes. Concepts for adapting the Spitfire to take the new engine had begun as far back as October 1939; Joseph Smith felt that "The good big 'un will eventually beat the good little 'un."
The Rolls-Royce Merlin and Griffon engines [ edit ] A key factor which allowed the continued development of the Spitfire was the development of progressively more powerful and improved engines, starting with the Rolls-Royce Merlin and progressing to the bigger and more powerful Rolls-Royce Griffon .
A preserved Rolls-Royce Griffon 58, one of the last Rolls-Royce piston engines to be produced. The red and white "dumb bell" object to the left of the engine is an air raid siren exhibit Rolls-Royce produced a range of piston engine types for aircraft use in the first half of the 20th century.
In a second stream of development Supermarine was working on an improved, reinforced, Spitfire airframe which incorporated several new features and was designed for the Merlin 60 and 70 series engines. [3] This new airframe later formed the basis for the Rolls-Royce Griffon powered Spitfires. This article presents a history of the Spitfire ...
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Kevin Winter/Getty. Sean Baker accepts the Best Picture award for "Anora" onstage during the 30th Annual Critics Choice Awards at Barker Hangar on Feb. 7, 2025 in Santa Monica, Calif.
Further delays were caused by the extensive wind tunnel testing that was needed and the change from a Rolls-Royce Merlin to the more powerful Rolls-Royce Griffon. Also, the design specification was changed in 1944 to a new requirement, S.14/44 (later S.14/44/2 [ 1 ] ) - the role of the aircraft being changed from ship-based reconnaissance and ...