Scramjet from Popular Science. The first true reusable, free-flying scramjet could be Darpa's HTV-3X. It is also known as Blackswift. The HTV-3x could make its inaugural flight as early as 2012.

China has tested a powerful engine that can carry weapons at remarkable speeds through both air and water. The novel engine achieved 90% efficiency in laboratory tests, which were conducted in ...

India-Russia joint venture BrahMos Aerospace wants to double the speed of its ramjet-powered supersonic cruise missile to beyond Mach 5 as an interim step towards the development of a clean-sheet ...

Rocket Lab is preparing a hypersonic test that could push a reusable vehicle toward Mach 20, a milestone the Pentagon hopes will sharpen U.S. edge in high-speed weapons and defenses. The mission, ...

India-Russia joint venture BrahMos Aerospace wants to double the speed of its ramjet-powered supersonic cruise missile to beyond Mach 5 as an interim step towards the development of a clean-sheet ...

Sustainedhypersonic flight above speeds of Mach 5 by vehicles using air-breathing,jet-fuel-powered engines could become achievable within the next dozen years. Successful recentground tests of ...

<br> -- Q U E S T I O N: So, you explained how a gas turbine engine works. Pretty good job. Now try explaining how the Sterling cycle engine works? — Rob M. Q U E S T I O N: Okay, so we’ve covered the ...

2004-11-17 04:00:00 PDT Kern County-- NASA's supersonic surfboard, the unmanned X-43A aircraft, streaked into history Tuesday, setting an unofficial world speed record for jet aircraft of Mach 9.6, or ...