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The Wyvern prototype was first flown in 1946, and was found to have a very respectable performance with a top speed of 456 mph, despite being considerably heavier than a DC3 transport plane. Unfortunately the teething problems which were the bane of the Wyverns existence began to manifest themselves, arising from the enormous engine and propellor overhang causing bending of the propellor shaft and associated problems. At about this time the British Government ordered Rolls Royce to abandon development of the Eagle to concentrate on gas turbine development, and as as result the Wyvern became an airframe in search of an engine. The Python was an older design and lower-powered (3760 hp), with a 14-stage axial compressor. The first Python-engined Wyvern TF.2 was VP109 and flew on 22 March 1949, and twenty Python-engined TF.2s were built. Length: 179 mm Wingspan: 186.5mm Total Parts 151pcs
