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X-15 after igniting rocket engine X-15A-2, with sealed ablative coating, external fuel tanks, and ramjet dummy test. The X-15 was based on a concept study from Walter Dornberger for the National Advisory Committee for Aeronautics (NACA) of a hypersonic research aircraft. [7]
Twelve pilots flew the X-15 over the course of its career. Scott Crossfield and William Dana flew the X-15 on its first and last free flights, respectively. Joseph Walker set the program's top two altitude records on its 90th and 91st free flights (347,800 and 354,200 feet, respectively), becoming the only pilot to fly past the Kármán line, the 100 kilometer, FAI-recognized boundary of outer ...
X-15: North American USAF, NASA 1959 Hypersonic, high-altitude flight First crewed hypersonic aircraft; capable of suborbital spaceflight. [25] X-15A-2: North American USAF, NASA 1964 Hypersonic, high-altitude flight Major Pete Knight flew the X-15A-2 to a Mach 6.70, making it the fastest piloted flight of the X-plane program. X-16: Bell USAF 1954
He flew in three versions of the Bell X-1: the X-1#2 (two flights, first on August 27, 1951), X-1A (one flight), X-1E (21 flights). When Walker attempted a second flight in the X-1A on August 8, 1955, the rocket aircraft was damaged in an explosion just before being launched from the JTB-29A mothership. Walker was unhurt, though, and he climbed ...
In November 1961, Air Force Major Robert White flew the X-15 research aircraft at speeds over Mach 6. [4] [5] On 3 October 1967, in California, an X-15 reached Mach 6.7. [6] The reentry problem of a space vehicle was extensively studied. [7] The NASA X-43A flew on scramjet for 10 seconds, and then glided for 10 minutes on its last flight in 2004.
A Chinese aerospace firm has completed the first test flight of a passenger plane that it claims can fly at Mach 4 – more than twice the speed of Concorde.. Beijing-based Space Transportation ...
The North American X-15's Flight 188 on October 3, 1967, was a record-setting flight. William J. Knight took the X-15A-2 hypersonic rocket-powered aircraft to 102,100 feet (31,100 meters) over Mud Lake, Nevada when Flight 188 reached a record-setting top speed of 4,520 mph (7,270 km/h), Mach 6.70. [1]
North American X-15 – Hypersonic rocket-powered research aircraft (Mach 6) Bell X-16 - High-altitude reconnaissance jet; Lockheed X-17 – Research rocket testing high mach re-entry; Hiller X-18 – Tiltwing STOVL cargo aircraft; Curtiss-Wright X-19 – VTOL tiltrotor; Boeing X-20 Dyna-Soar – Spaceplane program; Northrop X-21 – Laminar ...