Key Points and Summary - Boeing’s X-51A “Waverider” was a hypersonic tech demonstrator built with AFRL, DARPA, and Pratt & Whitney Rocketdyne to validate scramjet flight. -Air-dropped from a B-52, the ...

The U.S. Air Force Research Laboratory (AFRL) plans to fly the fourth and final Boeing X-51A WaveRider hypersonic engine demonstrator in mid-2013. Tests of the component suspected to have caused the ...

The payoff for reaching air-breathing hypersonic flight—five times the speed of sound, without rockets—would be revolutionary. A hypersonic airliner could carry passengers to any place on Earth within ...

In its fourth and final test, the X-51A WaveRider pulled off three and a half minutes of flight under the power of its supersonic combustion ramjet (Scramjet), the longest such flight ever. The ...

EDWARDS AFB, Calif. — Boeing and its X-51A team partners are ready to attempt a third test of the scramjet-powered hypersonic demonstrator following modifications to avoid problems that cut short the ...

Summary and Key Points: The X-51 Waverider, an experimental hypersonic aircraft, reached speeds up to Mach 5.1 (3,400 mph). Launched in 2005 by Boeing Phantom Works with DARPA and Air ...