The accomplishment marks the longest flight for the $300 million X-51A technology demonstration program and, according to the Air Force and Boeing, the longest scramjet-powered hypersonic flight ever.
WASHINGTON — U.S. Air Force officials are uncertain about the future of a hypersonic aircraft flight test program after the third of four experimental vehicles veered off course due to a “faulty ...
Trouble with a control fin on the sleek, scramjet-powered aircraft puts an abrupt and early end to the Air Force's attempt at a Mach 6 flight. Jon Skillings is an editorial director at CNET, where ...
On May 1, 2013, Boeing's X-51A Waverider was dropped from a B-52 Stratofortress over the Pacific Ocean, accelerated to Mach 4.8 by a rocket booster, and ignited its hydrogen-fueled scramjet engine to ...
The second hypersonic test flight of Boeing's X-51A Waverider has ended prematurely with the craft failing to transition to full power. The X-51A Waverider broke the record for the longest ever ...
Air Force engineers are scratching their ends after a test flight of an experimental hypersonic X-plane ended last month prematurely when the vehicle failed to reach full power. A rocket successfully ...
Air Force engineers are scratching their ends after a test flight of an experimental hypersonic X-plane ended last month prematurely when the vehicle failed to reach full power. A rocket successfully ...
A Boeing X-51A WaveRider unmanned hypersonic vehicle achieved the longest air-breathing, scramjet-powered hypersonic flight in history May 1, flying for three and a half minutes on scramjet power at a ...
An experimental U.S. military drone built to fly at blistering speeds of up to 3,600 mph — six times the speed of sound — plunged instead into the Pacific Ocean just seconds into a test flight on ...
WASHINGTON — The U.S. Air Force says it now plans to fly the last in a series of four Boeing-built experimental hypersonic vehicles in late spring or early summer under a troubled testing program that ...
The U.S. Air Force's $300 million, nine-year test program for a hypersonic plane ended on a high note this week, when the last of its X-51A Waverider vehicles made the longest flight of its kind. The ...
This Air Force illustration depicts the X-51A Waverider scramjet vehicle during hypersonic flight during its May 26, 2010 test. Powered by a Pratt & Whitney Rocketdyne SJY61 scramjet engine, it is ...
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