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Fairey Delta 1
The Fairey Delta 1 or FD1 was a British research aircraft produced by the Fairey Aviation Company for investigation of delta wing flight characteristics and control at transonic speeds. In testing, the FD1 exhibited unfavourable handling and stability leading to cancellation of two further airframes. It was the first British-designed delta wing.
==Design and development==
Originally conceived as a vertical takeoff (VTO) fighter, the proposed fighter was intended to be launched from an inclined ramp. Already in the early design stage at Fairey, the Ministry of Supply (MoS) decided to have the aircraft built as a more conventional jet-powered research vehicle to Ministry specification E.10/47. The Fairey Type R design was a mid-wing tail-less delta monoplane, with a circular cross-section fuselage and engine air-inlet at the extreme front. The engine was a Rolls-Royce Derwent 8 centrifugal turbojet. Although designed as a transonic aircraft, the Delta 1 had a short-coupled, "portly" appearance, completely at odds with Fairey's next design, the sleek and elegant Delta 2. Three aircraft were ordered with the name "Fairey Delta" applied to the project; subsequently, the name was changed to Fairey Delta 1.〔Winchester 2005, p. 254.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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