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A model of the Transonic Truss-Braced Wing aircraft in a wind tunnel at NASA's Ames Research Center. By early 2019, following extensive wind tunnel testing at NASA Ames Research Center, an optimized truss and more sweep for the 170 ft (52 m) span wing allowed flying higher and faster, up from Mach 0.70–0.75 to Mach 0.80 like current jetliners. [3]
August 1, 2010. "Air show examines hybrid airliners". United Press. Aug 2, 2010. "NASA, Boeing Test Low-Drag Truss-Braced Wing Concept: High-aspect-ratio, truss-braced wing promises marked fuel savings". Aviation Week & Space Technology. Aviation Week Network. January 27, 2014; Warwick, Graham (January 28, 2014).
The design that NASA and Boeing are working on could reduce fuel consumption and emissions by up to 30% compared with today’s most efficient aircraft, according to the agency.
Boeing DARPA 2003 Canard Rotor/Wing [63] X-51 Waverider: Boeing USAF 2010 [64] Hypersonic scramjet [65] — X-52 — — — — Number skipped to avoid confusion with Boeing B-52 Stratofortress. [31] X-53: Boeing NASA, USAF 2002 Active Aeroelastic Wing [66] X-54: Gulfstream: NASA Low-noise supersonic transport [67] in development. X-55 ...
Boeing RC-1 – cargo aircraft, canceled; Boeing Sonic Cruiser – near-sonic airliner, canceled; Boeing Liquid Hydrogen (LH 2) airplane that uses liquid hydrogen as fuel [28] Hypersonic Airliner Concept. Mach 5 speed [29] [30] Boeing 747-500 – larger ultra-haul version of the Boeing 747; Boeing X-66 – experimental Transonic Truss-Braced ...
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As expected, deliveries of new Boeing jetliners were weak, at 24 in April, pushing the U.S. company farther behind Airbus, its European rival. Boeing orders tumble as troubled aircraft maker ...
The ecoDemonstrator Program is a Boeing flight test research program, which has used a series of specially modified aircraft to develop and test aviation technologies designed to improve fuel economy and reduce the noise and ecological footprint of airliners.