D. It Never Flew — and That Matters Now. -NASA’s X-43A proved that an air-breathing scramjet could fly at hypersonic speeds, ...

The U.S. military launched an experimental hypersonic aircraft on its swan song test flight Wednesday (May 1), accelerating the craft to more than five times the speed of sound in the longest-ever ...

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.

The Air Force Research Laboratory Aerospace Systems Directorate celebrates the 10th anniversary of the X-51A’s longest supersonic combustion ramjet-powered hypersonic flight May 26. The flight, which ...

Key Points and Summary – The X-43A Scramjet That Broke Mach 9.6 — And Then We Walked Away -NASA’s X-43A was a black, ...

LOS ANGELES — The X-51A Waverider scramjet experimental vehicle’s second attempt at broaching the Mach 5 hypersonic threshold will slide to late March, following delays caused by test range and ...

Will the supersonic-combustion ramjet ever be a usable means of propulsion? Boeing, Pratt & Whitney Rocketdyne and the US Air Force are convinced it can be Hypersonic windtunnel tests have cleared the ...

Boeing X-51A programme officials acknowledge that they face long odds for completing a successful flight-test programme for the hypersonic vehicle with only four experiments funded. Joseph Vogel, ...

The X-51A Waverider successfully launched from a B-52 Stratofortress over Point Mugu Naval Air Warfare Center Sea Range, Calif., Aug. 14, 2012, at approximately 11:36 a.m. PDT. The X-51 safely ...

The X-51A WaveRider hypersonic flight test vehicle was uploaded to an Air Force Flight Test Center B-52 Stratofortress at Edwards Air Force Base, Calif., July 17 for fit testing. Two B-52 test flights ...

Boeing on Tuesday was preparing to fly its experimental X-51A WaveRider, a scramjet-powered unmanned aircraft that is designed to travel at speeds above Mach 5 burning JP-5 jet fuel. The Air Force ...

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 ...