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, wedge-shaped test vehicle that did something once thought impossible: it proved an ...

Key Points and Summary - NASA’s X-43A wasn’t a paper study—it was a 12-foot, hydrogen-fueled experimental jet that proved an air-breathing engine could fly at nearly ten times the speed of sound. -It ...

The third and final X-43A hypersonic test was a success, but will it help ensure NASA’s air-breathing, high-speed propulsion research? In a little over 20s it was all over. High over the Pacific, NASA ...

Just a couple of decades ago, aviation had some rules. If you wanted to fly fast within the atmosphere, you used a jet engine. The champion here was the SR-71 Blackbird, designed by Lockheed Martin, ...

NASA’s second attempt to fly an X-43A air-breathing hypersonic test aircraft is set for mid-December. The first effort ended with the destruction of the vehicle over the Pacific on 2 June 2001.

NASA has slipped the next test of the X-43A hypersonic testbed until late January 2004, because of an intermittent failure in an actuator associated with its air-launched Pegasus booster. NASA's B-52 ...