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The Lockheed X-7: Mach 4 Ramjet

In the years following World War II, the American aviation industry and the military anticipated revolutionary changes in flight. The war had been fought largely with aircraft powered by reciprocating ...
The Aviationist

General Electric Demonstrates Ramjet Engines for Hypersonic Missiles

The Solid Fuel Ramjet (SFRJ) and the Hypersonic Dual-Mode Ramjet (DMRJ) are seeing rapid success as the U.S. hikes spending and development of hypersonic weapons. GE Aerospace has shed more light on ...
Assembly Magazine

GE Aerospace Uses AI to Accelerate Jet Engine Design

GE Aerospace researchers have developed a generative AI-powered design tool capable of producing preliminary hypersonic ramjet engine layouts in seconds, significantly reducing early-stage aerospace ...
Flightglobal

GE and Lockheed test new rotating detonation ramjet for hypersonic weapons

The compact, liquid-fuelled ramjet engine uses a novel combustion technology called rotating detonation that offers significantly improved efficiency for high-speed flight at Mach 5 and beyond. Engine ...
Voz Populi

It looked like a small Japanese test, but it points to a much bigger race to put hypersonic planes on commercial routes

Japan has taken a serious step into the hypersonic race with a hydrogen-fueled ramjet test that pushed a small experimental aircraft into conditions equivalent to Mach 5. In April 2026, Waseda ...
autoevolution

Howitzer Sceptre Shells With Ramjet Engines Hit Mach 3.5 Before Obliterating the Enemy

Artillery has been for a very long time one of the best ways to fight the enemy from very far away. The ability to strike from a safe distance is a godsend for soldiers, as it gives them the ability ...