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The scramjet flight test vehicle was designated X-51 on 27 September 2005. [5] X-51A under the wing of a B-52 at Edwards Air Force Base, July 2009. In flight demonstrations, the X-51 is carried by a B-52 to an altitude of about 50,000 feet (15 km; 9.5 mi) and then released over the Pacific Ocean. [6] The X-51 is initially propelled by an MGM ...
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The Boeing X-51 is a scramjet demonstration aircraft for hypersonic (Mach 7, around 8,050 km/h) flight testing. The X-51 WaveRider program is a consortium of the US Air Force, DARPA, NASA, Boeing and Pratt & Whitney Rocketdyne. The program is managed by the Propulsion Directorate within the United States Air Force Research Laboratory (AFRL). [4]
X51 or X-51 may refer to: Boeing X-51, a scramjet-waverider from the Air Force Research Laboratory; X-51 , a fictional organization in the video game Deus Ex; X-51 (Machine Man), a fictional character in the Marvel Comics Universe; X51 (New York City bus), express bus route in New York City; Axim X51, PDA made by Dell
Boeing builds its 777 and 767 jets in Everett, north of Seattle. Separately, the company said it took orders for 49 planes in November but lost an order by U.K. carrier TUI for 14 Max jets.