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The Bell X-1 (Bell Model 44) is a rocket engine–powered aircraft, designated originally as the XS-1, and was a joint National Advisory Committee for Aeronautics–U.S. Army Air Forces–U.S. Air Force supersonic research project built by Bell Aircraft. Conceived during 1944 and designed and built in 1945, it achieved a speed of nearly 1,000 ...
The Bell X-1 was the first crewed airplane to exceed the speed of sound in level flight and was the first of the X-planes. XS-1 pilots. Pilot Agency Flights
X-1A #1: February 14, 1953 Jean Ziegler 48-1384 Bell 1 ? ? Pilot familiarization. Fuel jettison test. Glide flight. X-1A #2: February 14, 1953 Jean Ziegler 48-1384
The Bell Aircraft Corporation was an American aircraft manufacturer, a builder of several types of fighter aircraft for World War II but most famous for the Bell X-1, the first supersonic aircraft, and for the development and production of many important civilian and military helicopters.
Additionally, the X-22 was to provide more insight into the tactical application of vertical takeoff troop transporters such as the preceding Hiller X-18 and the X-22's successor, the Bell XV-15. Another program requirement was a true airspeed in level flight of at least 525 km/h (326 mph; 283 knots).
The Bell X-2 (nicknamed "Starbuster" [1]) was an X-plane research aircraft built to investigate flight characteristics in the Mach 2–3 range. The X-2 was a rocket-powered, swept-wing research aircraft developed jointly in 1945 by Bell Aircraft Corporation, the United States Army Air Forces and the National Advisory Committee for Aeronautics (NACA) to explore aerodynamic problems of ...
1947: Bell X-1 rocket-propelled aircraft exceeds the speed of sound. 1948: 100 shp 782, the first turboshaft engine to be applied to aircraft use; in 1950 used to develop the larger 280 shp (210 kW) Turbomeca Artouste. 1949: Leduc 010, the world's first ramjet-powered aircraft flight.
X-1D #1: July 24, 1951 Jean Ziegler 48-1386 Bell 1 ? ? Pilot familiarization. Glide flight. Nose gear broken on landing. X-1D #2: August 22, 1951 Frank Everest