WRIGHT-PATTERSON AIR FORCE BASE, Ohio (AFNS) — The final flight of the X-51A Waverider test program has accomplished a breakthrough in the development of flight reaching Mach 5.1 over the Pacific Ocean May 1. “It was a full mission success,” said Charlie Brink, the X-51A program manager for the Air Force Research Laboratory Aerospace Systems Directorate. The cruiser traveled more than 230 nautical miles in just over six minutes over the Point Mugu Naval Air Warfare Center Sea Range, Calif. It was the longest of the four X-51A test flights and the longest air-breathing hypersonic flight ever. “I believe all we have learned from the X-51A Waverider will serve as the bedrock for future hypersonics research and ultimately the practical application of hypersonic flight,” Brink said. The X-51A took off from the Air Force Test Center at Edwards AFB, Calif., under the wing of a B-52H Stratofortress. It was released at approximately 50,000 feet and accelerated to Mach 4.8 in about 26 seconds powered by a solid rocket booster. After separating from the booster, the cruiser’s supersonic combustion ramjet, or scramjet, engine then lit and accelerated the aircraft to Mach 5.1 at 60,000 feet. After exhausting its 240-second fuel supply, […]
Air Force’s unmanned aircraft reaches 5 times the speed of sound