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 ...

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 X-51A WaveRider hypersonic vehicle, powered by Pratt & Whitney Rocketdyne’s scramjet engine, achieved aviation history today by making the longest-ever supersonic combustion ramjet-powered flight.

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 ...