Development
The development of the turbojet-powered Gloster Meteor was a collaboration between the Gloster Aircraft Company and Sir Frank Whittle's firm, Power Jets Ltd. Frank Whittle formed Power Jets Ltd in March 1936 to develop his ideas of jet propulsion, Whittle himself serving as the company's chief engineer, outside of his duties as an RAF flying officer. For several years, attracting financial backers and aviation firms prepared to take on Whittle's radical ideas was difficult; in 1931, Armstrong-Siddeley had evaluated and rejected Whittle's proposal, finding it to be technically sound but at the limits of engineering ability. Securing funding was a persistently worrying issue throughout the early development of the engine. The first Whittle prototype jet engine, the Power Jets W.1, began running trials in early 1937; shortly afterwards, both Sir Henry Tizard, chairman of the Aeronautical Research Committee, and the Air Ministry gave the project their support.
On 28 April 1939, Whittle made a visit to the premises of the Gloster Aircraft Company, where he met several key figures, such as George Carter, Gloster's chief designer. Carter took a keen interest in Whittle's project, particularly when he saw the operational W.1 engine; Carter quickly made several rough proposals of various aircraft designs powered by the engine. Independently, Whittle had also been producing several proposals for a high altitude jet-powered bombers; following the start of the Second World War and the Battle for France, a greater national emphasis on fighter aircraft arose. Power Jets and Gloster quickly formed a mutual understanding around mid-1939.
In spite of ongoing infighting between Power Jets and several of its stakeholders, the Air Ministry contracted Gloster to manufacture a prototype aircraft powered by one of Whittle's new turbojet engines in late 1939. The single-engined proof-of-concept Gloster E28/39, the first British jet-powered aircraft, conducted its maiden flight on 15 May 1941, flown by Gloster's Chief Test Pilot, Flight Lieutenant Philip "Gerry" Sayer. The success of the smaller E.28/39 proved the viability of jet propulsion, and Gloster pressed ahead with designs for a production fighter aircraft. Due to the limited thrust available from early jet engines, it was decided that subsequent production aircraft would be powered by a pair of turbojet engines.
In August 1940, Carter presented Gloster's initial proposals for a twin-engined jet fighter with a nosewheel undercarriage. On 7 February 1941, Gloster received an order for twelve prototypes (later reduced to eight) under Specification F9/40. A letter of intent for the production of 300 of the new fighter, initially to be named Thunderbolt, was placed on 21 June 1941; to avoid confusion with the USAAF Republic P-47 Thunderbolt, the aircraft's name was quickly changed to Meteor. A total of eight prototypes were produced. Delays with getting type approval for the engines meant that although taxiing trials were carried out in 1942, it was not until the following year that any flights took place. The fifth prototype, serial DG206, powered by two de Havilland Halford H.1 engines owing to problems with the intended Power Jets W.2 engines, was the first to become airborne on 5 March 1943 from RAF Cranwell, piloted by Michael Daunt. Before the aircraft had even flown, an extended order for 100 production standard aircraft had already been placed by the RAF.
The first Whittle-engined aircraft, DG205/G, flew on 12 June 1943 (later crashing during takeoff on 27 April 1944) and was followed by DG202/G on 24 July. DG202/G was later used for deck handling tests aboard aircraft carrier HMS Pretoria Castle. DG203/G made its first flight on 9 November 1943, later becoming a ground instructional model. DG204/G, powered by Metrovick F.2 engines, first flew on 13 November 1943 and crashed on 1 April 1944. DG208/G made its debut on 20 January 1944, by which time the majority of design problems had been overcome and a production design approved. DG209/G was used as an engine testbed by Rolls-Royce, first flying on 18 April 1944. DG207/G was intended to be the basis for the Meteor F.2 with de Havilland engines, but it did not fly until 24 July 1945, at which time the Meteor 3 was in full production and the F.2 was cancelled.
On 12 January 1944, the first Meteor F.1, serial EE210/G, took to the air from Moreton Valence. It was essentially identical to the F9/40 prototypes except for the addition of four nose-mounted 20 mm (.79 in) Hispano Mk V cannons and some changes to the canopy to improve all-round visibility. EE210/G was later sent to the U.S. for evaluation, where it was first flown at Muroc Army Airfield on 15 April 1944. The first service deliveries to the RAF began in July 1944, to No. 616 Squadron RAF.
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