Venus Aerospace has completed the inaugural test flight of a drone fitted with its "rotating detonation rocket engine" (RDRE) — accelerating it to just under the speed of sound. The company ...

Liquid-fuelled rocket engine design has largely followed a simple ... creates a shock wave that travels faster than the speed of sound that rapidly propagates the detonation reaction further ...

When the idea of an engine hacks theme was being kicked around at Hack a Day, the subject of rocket engines was one of the first to come up. There was a problem though; solid rocket motors are far ...