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This Spitfire has the "cropped" Merlin 45 series engine and the "clipped" wings. The British Supermarine Spitfire was one of the most popular fighter aircraft of the Second World War . The basic airframe proved to be extremely adaptable, capable of taking far more powerful engines and far greater loads than its original role as a short-range ...
Merlin: The Power Behind the Spitfire, Mosquito and Lancaster. The Story of the Engine That Won the Battle of Britain and WWII. ISBN 978-0008359263; King, H. F. "The Two R's: A Commemorative History of Rolls-Royce Aero Engines. (article and images)." Flight No. 2363, Volume 65, 7 May 1954. Lloyd, Ian and Pugh, Peter. Hives & the Merlin.
Audio recording of Spitfire fly-past at the 2011 family day at RAF Halton, Buckinghamshire Supermarine Spitfire G-AWGB landing at Biggin Hill Airport, June 2024. The Supermarine Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and other Allied countries before, during, and after World War II.
Spitfire XIV of 350 (Belgian) Squadron of the Spitfire XIV wing based at Lympne, Kent 1944. This aircraft is carrying a 30 gal "slipper" drop tank under the centre-section. The first Griffon-powered Spitfires suffered from poor high altitude performance due to having only a single stage supercharged engine. By 1943, Rolls-Royce engineers had ...
With the development of the Merlin 61/63/66 and 70 series engines, with a two-stage, two-speed supercharger requiring an intercooler, several important modifications were made to the basic airframe and applied to all aircraft powered by these engines. The longer Merlin 61 meant the nose forward of the engine/fuel tank bulkhead was 7 inches (17. ...
Although the Merlin II engine of Spitfire Is running on 87 octane fuel and at 6.6 lbs boost, had a power rating of 1,030 hp (768 kW), the Air Ministry was by early 1937, well aware of the advantages of higher octane fuel on boost pressure particularly at lower altitudes and had committed to standardising on 100 octane fuel.
A Royal Aircraft Establishment report (No. E.3932) of March 1942 estimated the performance of the Spitfire fitted with a Crecy engine and compared this to a Griffon 61-powered variant. The report stated that the Crecy's maximum power output would be too much for the Spitfire airframe but that a derated version would have considerable ...
A Griffon installed on WH632, an airworthy Fairey Firefly at the Canadian Warplane Heritage Museum (2014) . Compared with earlier Rolls-Royce designs, the Griffon engine featured several improvements, which meant that it was physically only slightly larger than the Merlin, in spite of its 36% larger capacity of 37-litres (2,240 cu in).