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- 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." and Ernest Hives of Rolls-Royce thought that the Griffon would be "a second power string for the Spitfire". The first of the Griffon-engined Spitfires flew on 27 November 1941. Although the Griffon-engined Spitfires were never produced in the large numbers of the Merlin-engined variants they were an important part of the Spitfire family, and in their later versions kept the Spitfire at the forefront of piston-engined fighter development. This article describes the Griffon-powered Spitfire variants. (en)
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- 55102 (xsd:nonNegativeInteger)
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- NACA 2213 , NACA 2209.4 (en)
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- in MS supercharger gear at 2,100 ft. 3,550 ft/min in FS supercharger gear at 22,100 ft. (en)
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- ** 2 × 20 mm Hispano Mk II cannon, 120 rpg.
** 4 × 0.303 in Browning machine guns, 350 rpg. Replaced by 2 x .50 in M2 Browning machine guns 250 rpg Mk XIVE and FR Mk XIV. (en)
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- in FS supercharger gear at 29,500 ft. 391 mph in MS supercharger gear at 5,500 ft. (en)
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- * Seafire
* Spiteful
* Seafang
* Supermarine Spitfire variants: specifications, performance and armament
* Supermarine Spitfire (early Merlin-powered variants)
* Supermarine Spitfire (late Merlin-powered variants) (en)
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- * Military history of the United Kingdom during World War II
* Rolls-Royce Merlin and Griffon (en)
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- Fighter/ Fighter reconnaissance/ Photo reconnaissance. (en)
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- 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." and Ernest Hives of Rolls-Royce thought that the Griffon would be "a second power string for the Spitfire". The first of the Griffon-engined Spitfires flew on 27 November 1941. (en)
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- Supermarine Spitfire (Griffon-powered variants) (en)
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