Hypersonic weapons promise unmatched speed and reach, but they are held back by a fundamental engineering problem: propulsion ...

For years, the United States has trailed behind Russia and China in hypersonic weapons. A new engine prototype by Lockheed Martin and General Electric could help it catch up.

Researchers in China have introduced a new hypersonic engine concept by integrating a ramjet with a rotary detonation engine. A team at Tsinghua University in Beijing created a new design known as the ...

I assume that if the detonation/flame front is itself rotating within the combustion chamber/channel/however one chooses to contain and direct it, then the expanding shockwave from the exhaust plume ...

Engine knocking, or detonation, occurs when fuel in the cylinders ignites unevenly, causing metallic pinging sounds, reduced power, and potential engine damage. Key causes include low-octane fuel, ...

IAN Alpha Fund on Wednesday said it has invested Rs 25 crore in D-Propulse Aerospace. The firm plans to use the seed capital ...

A US-based propulsion company, Venus Aerospace, said Wednesday it had completed a short flight test of its rotating detonation rocket engine at Spaceport America in New Mexico. The company's chief ...

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 ...

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ISTR that the SR-71 was about a foot longer at speed than at rest. They definitely leaked fuel on the ground. And I don't have the unclassified POH for it handy, but ISTR that the SR-71 did the 'dipsy ...