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Depending on the supercharger fitted, engines were rated as low altitude (e.g.; Merlin 66, Griffon III), where the engine produced its maximum power below about 10,000 feet (3,000 m), medium altitude (Merlin 45), where the engine produced its maximum power up to about 20,000 feet (6,100 m), and high altitude (Merlin 70), where the engine produced its maximum power above about 25,000 feet ...
The early Spitfire variants powered by the Rolls-Royce Griffon were adaptations of Mk Vc (early Mk XII) or Mark VIII (late Mk XII and Mk XIV) airframes. The later Griffon-engined Spitfire variants embodied new wings, tail units and undercarriages and were very different from any of the earlier Spitfire marks.
The fighter's maximum range was just a little over 460 miles (740 km) on internal fuel, since the new Griffon engine consumed much more fuel per hour than the original Merlin engine of earlier variants. By late 1944, Spitfire XIVs were fitted with an extra 33 gal in a rear fuselage fuel tank, extending the fighter's range to about 850 miles ...
The other wing-tip variation, used by several Spitfire variants, was the "clipped" wing; the standard wing tips were replaced by wooden fairings which reduced the span by 3 ft 6 in (1.07 m). [84] The wing tips used spruce formers for most of the internal structure with a light alloy skin attached using brass screws. [85]
Supermarine Spitfire variants: specifications, performance and armament; Spitfire-related lists. List of surviving Supermarine Spitfires;
Supermarine Spitfire variants powered by early model Rolls-Royce Merlin engines mostly utilised single-speed, single-stage superchargers. The British Supermarine Spitfire was the only Allied fighter aircraft of the Second World War to fight in front line service from the beginnings of the conflict, in September 1939, through to the end in ...
Spitfire 944; Supermarine Speed Spitfire; Supermarine Spitfire (early Merlin-powered variants) Supermarine Spitfire (Griffon-powered variants) Supermarine Spitfire (late Merlin-powered variants) Supermarine Spitfire operational history; Supermarine Spitfire prototype K5054; Supermarine Spitfire variants: specifications, performance and armament
Spitfire FR Mk.XVIIIe SM845 at RAF Leuchars Airshow, 2008. Spitfire FR Mk.XVIIIe SM845 (G-BUOS). Based in Germany with MeierMotors. This Spitfire was built in May 1945 and delivered to Karachi as part of the South East Asia Command. In the 1970s, it was brought back to the UK for an airworthy restoration with Historic Flying Limited.