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Bell X-1 Research Model on Single Support Strut in 7 x 10 Foot Wind Tunnel

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Bell X-1 Research Model on Single Support Strut in 7 x 10 Foot Wind Tunnel

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Summary

Modified Bell X-1 model pioneered variable-sweep studies in 1947. Photograph published in Sixty Years of Aeronautical Research 1917-1977 By David A. Anderton. A NASA publication, page 52.

The X-planes are a series of experimental United States aircraft and rockets, used to test and evaluate new technologies and aerodynamic concepts. They have an X designator, which indicates the research mission within the US system of aircraft designations. The first, the Bell X-1, became well known in 1947 after it became the first aircraft to break the sound barrier in level flight. Most of the X-planes have been operated by the National Advisory Committee for Aeronautics (NACA) or, later, the National Aeronautics and Space Administration (NASA), often in conjunction with the United States Air Force. The majority of X-plane testing has occurred at Edwards Air Force Base. Some of the X-planes have been well publicized, while others have been developed in secrecy. Most X-planes are not expected to go into full-scale production.

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Date

14/06/1947
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Location

NASA Langley Research Center
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Source

NASA
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Public Domain Dedication (CC0)

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