Boeing's X-51A WaveRider Scramjet
According to Charlie Brink, X-51A program manager for the Air Force, the mission was "a full success." And though the Mach 5.1 , hypersonic speed isn't itself a record (that was reached in the WaveRider's first test) the scrammy's 260-mile, six-minute trip was the most successful?and longest?test of the engine. Moreover, it was huge improvement over those last two failures.
After its high-speed flight, the X-51A crashed into the Pacific Ocean?as intended?ending the series of flights; there's no more X-51As left, and no plan for what's coming after. Still, the trip was awesome and the footage is a joy to behold. Hopefully they'll find a way to strap a camera on the next model. [USAF via CNET]
Source: http://gizmodo.com/watch-boeings-x-51a-waverider-scramjet-blast-off-to-ma-490575939
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