We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

The prototype BE-3U engine was designed to power the upper stage of Blue Origin’s giant reusable New Glenn rocket that ...

The new version of Starship will be tested again in four to six weeks. A third consecutive failure could indicate fundamental ...

TOKYO (AP) — The engine for a new flagship small Japanese rocket burst into flames Tuesday ... The test was conducted inside of the restricted area at Japan’s Tanegashima Space Center in ...

Jeff Bezos’ Blue Origin space venture counted down to the final hour tonight, but in the end, the company had to postpone the first-ever orbital launch of its heavy-lift New… Read More Blue ...

While classic combustion in rocket engines takes place at constant pressure or even with a slight loss of pressure, the pressure increases significantly during detonation. A rocket engine based on ...

Vortex cooling works by injecting oxygen into the combustion chamber tangentially, just inside the nozzle of ... a torch igniter for a much larger rocket engine. Fuel is injected into the front ...

The 184-foot-tall (56-meter) rocket lifted off from Kourou, French Guiana, at 11:24 am EST (16:24 UTC). Twin solid-fueled boosters and a hydrogen-fueled core stage engine powered the Ariane 6 through ...