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DéskripsiBellX1.jpg
English: Bell X-1 in the National Air and Space Museum, Washington DC.
The Bell X-1 was a joint NACA-U.S. Army Air Forces/US Air Force supersonic research project and the first aircraft to exceed the speed of sound in controlled, level flight.
Nederlands: Bell X-1 in het National Air and Space Museum, Washington DC.
De Bell X-1 was het eerste vliegtuig dat de geluidssnelheid doorbrak in een gecontroleerde horizontale vlucht.
Français : Bell X-1 in dans le National Air and Space Museum, Washington DC.
Le X-1, premier prototype d'avion supersonique développé dans le cadre du programme de recherche de l'USAAF et la NACA et construit en 1947, était une sorte d'obus doté de minuscules ailes de stabilisation et de moteurs fusée destinés à lui faire franchir la vitesse du son.
Deutsch: Bell X-1 im National Air and Space Museum, Washington DC.
Die Bell X-1 war ein amerikanisches Experimental- und Raketenflugzeug das für ein gemeinsames Forschungsprojekt der US Air Force und der NACA gebaut wurde. Der einsitzige Mitteldecker war speziell dafür entwickelt worden, die Schallmauer im Horizontalflug zu durchbrechen.
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{{Information |Description={{en|1=Bell X-1 in the National Air and Space Museum, Washington DC. The Bell X-1 was a joint NACA-U.S. Army Air Forces/US Air Force supersonic research project and the first aircraft to exceed the speed of sound in controlled,
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