The test also returned more than nine minutes of data. Dugan said that included approximately three minutes of "stable aerodynamically controlled Mach 20 hypersonic flight". When the problem occurred, the HTV-2's flight safety system autonomously guided it in a controlled descent to splashdown along the planned trajectory, DARPA said.
Please try again later. The Sydney Morning Herald. By John Antczak Updated August 26, — Save Log in , register or subscribe to save articles for later. Hypersonic plane to fly at 20 times speed of sound.
Please try again later. The Sydney Morning Herald. By James Manning Updated July 17, — 1. Save Log in , register or subscribe to save articles for later. Normal text size Larger text size Very large text size. Further, the vehicle would be "recoverable," according to the release — meaning the government could get it back. IH will build off previous Defense Department research into ultra-fast flight but will need to make some major strides of its own, officials said.
Thermal protection systems are a key requirement for hypersonic flight, which is traditionally defined as anything above Mach 5. Vehicles zooming through the atmosphere at Mach 20 experience temperatures in excess of 3, degrees Fahrenheit 1, degrees Celsius , DARPA officials said — hot enough to melt stainless steel. Desired advances in aerodynamics and GNC technology will allow the X-plane to make real-time, in-flight adjustments to account for changing conditions — such as wind gusts — and let it glide safely to its destination.
As far as propulsion goes, IH won't simply adapt an existing rocket designed for space missions.
0コメント