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Neil Armstrong Flies Iron Cross Simulator,1956

Neil Armstrong flies the Iron Cross Simulator. The Iron Cross was a ground-based simulator for testing early reaction controls. It is primarily orbital, suborbital and hypersonic vehicles that require reaction control capability, but it was recognized in the 1950s that the earliest flight evaluation of reaction controls would occur with supersonic research aircraft. It was also believed that the flight research should be preceded by ground-based simulation studies. The pioneering jet reaction simulation work at NACA High-Speed Flight Station was a two-phase study; one was a fixed-base setup with an analog computer to solve the equations of motion and the other used a three-degree-of freedom mechanical simulator wherein the pilot experienced motions. The Bell X-1B airplane offered an ideal testbed for a trial reaction control installation. In preparation, NACA High-Speed Flight Station technicians built an iron-frame simulator, dubbed the Iron Cross, which matched the dimensions and inertial characteristics of the X-1B, installing small reaction control thrusters on it and then mounting it on a universal joint so that a test pilot could maneuver it in pitch, roll, and yaw. The universal joint from a truck permitted motion about the three axes. High-pressure nitrogen gas was expanded selectively through the six jet nozzles to provide the reaction forces. Flight-type recorders were used to record control stick position and the various angular rates. October 8, 1956.
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Título:
Neil Armstrong Flies Iron Cross Simulator,1956
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Neil Armstrong flies the Iron Cross Simulator. The Iron Cross was a ground-based simulator for testing early reaction controls. It is primarily orbital, suborbital and hypersonic vehicles that require reaction control capability, but it was recognized in the 1950s that the earliest flight evaluation of reaction controls would occur with supersonic research aircraft. It was also believed that the flight research should be preceded by ground-based simulation studies. The pioneering jet reaction simulation work at NACA High-Speed Flight Station was a two-phase study; one was a fixed-base setup with an analog computer to solve the equations of motion and the other used a three-degree-of freedom mechanical simulator wherein the pilot experienced motions. The Bell X-1B airplane offered an ideal testbed for a trial reaction control installation. In preparation, NACA High-Speed Flight Station technicians built an iron-frame simulator, dubbed the Iron Cross, which matched the dimensions and inertial characteristics of the X-1B, installing small reaction control thrusters on it and then mounting it on a universal joint so that a test pilot could maneuver it in pitch, roll, and yaw. The universal joint from a truck permitted motion about the three axes. High-pressure nitrogen gas was expanded selectively through the six jet nozzles to provide the reaction forces. Flight-type recorders were used to record control stick position and the various angular rates. October 8, 1956.
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Album / NASA/Science Source
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Tamaño imagen:
4200 x 3271 px | 39.3 MB
Tamaño impresión:
35.6 x 27.7 cm | 14.0 x 10.9 in (300 dpi)
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