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Concept
Hunting H.126
Résumé
The Hunting H.126 was an experimental aircraft designed and built by British aviation company Hunting Aircraft.
The aircraft was developed in order to test the performance of blown flaps, which were commonly known in Britain as "jet flaps", At the time, they were a relatively unknown quantity, thus the Ministry of Aviation issued Specification ER.189D for an appropriate research aircraft to be developed. During 1959, Hunting Aircraft was selected, being awarded a contract to construct a pair of aircraft. The first aircraft, serial number XN714, was completed during mid-1962 and initial ground testing commenced during the latter part of the year. This aircraft performed its maiden flight on 26 March 1963.
Only the single aircraft was ever completed, the second being cancelled mid-construction. Following the completion of preliminary flights, XN714 was used to conduct a series of one hundred test flights at the Royal Aircraft Establishment's Aerodynamics Flight at RAE Bedford, the last of which being performed in 1967. XN714 was transported to the United States during 1969, where it underwent wind tunnel testing by NASA; following its return to the UK, the aircraft was officially withdrawn in 1972. Presently, the preserved aircraft is on static display at the Royal Air Force Museum Cosford.
During the late 1940s, multiple British research institutions, including the National Gas Turbine Establishment (NGTE), the Royal Aircraft Establishment (RAE) and various aircraft manufacturers, became interested in the potential applications of the recent innovation of blown flaps, or as they were known in Britain, "jet flaps". Out of this work, it became recognised that a major benefit of jet flaps would be substantially lower take-off and landing speeds for aircraft. In 1951, the principle of the jet flap was successfully patented by the NGTE.
In order to greater explore and validate the "jet flap principle", the Ministry of Aviation issued Specification ER.189D, which called for the development of a dedicated purpose-built aircraft with which to perform a full-scale investigation.
Source officielle
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