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The Rotating Detonation Engine being developed by Pratt & Whitney has no moving parts, which reduces complexity and costs, and could help enable high-speed, long-range flight with increased efficiency ...

NASA has contracted Momentus to use its Vigoride orbital service vehicle as a testbed to demonstrate a rotating detonation rocket engine in space in 2026. The rotating detonation rocket engine is ...

Venus Aerospace, making hypersonic flight a reality for commercial and defense purposes, has achieved the first long-duration engine test of their Rotating Detonation Rocket Engine (RDRE) in ...

A US-based propulsion company has successfully launched and flown a new rocket powered by a unique rotating detonation engine. Although relatively small by rocket standards, the test could pave the ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

A new type of rocket engine that could improve aircraft, spacecraft, and other transportation systems is being developed by private and public institutions such as NASA and the Air Force Research ...

Pratt & Whitney will accelerate its work on rotating detonation engine (RDE) technology, as its programme to develop the advanced propulsion capability yields results. The company has completed a ...

An innovative new combustion engine eliminates half the guts of a traditional engine, and uses a fascinating internally rotating piston and sleeve arrangement, making it lighter, simpler and more ...

Most of the internal combustion piston engines built for vehicles throughout history have pretty familiar core designs. The majority of fuel-burning vehicles sold today orient their pistons in inline ...