Hermeus says Quarterhorse can switch from turbojet to ramjet at Mach 3.5, and that is why Concorde suddenly looks slow

Hermeus hits Mach 1.21! See how the uncrewed Quarterhorse is making hypersonic travel a reality with rapid, iterative flight ...
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 ...
scmp.com

From Mach 0 to 6: this engine may power China’s future fighter jets and missiles

China is developing a revolutionary air-breathing engine for next-generation fighter jets and hypersonic missiles. Designed to operate continuously from a stationary start-up to over Mach 6, the ...
New Atlas

Ramjet engine turns artillery rounds into supersonic missiles

Tiberius Aerospace's Sceptre TRBM 155HG 155mm artillery round has a ramjet in its nose that allows it to fly at supersonic speeds and gives it over four times the range of a conventional round. When ...
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 ...

JAXA tested a Mach 5 hydrogen ramjet on the ground, and the heat problem may decide the future of hypersonic flight

Japan tested a Mach 5 hydrogen ramjet. See how this breakthrough brings us closer to hypersonic passenger flights and carbon-neutral travel.
BGR

Japan's New Hypersonic Engine Could Make 2-Hour Flights To The US A Reality

At first blush, it sounds like science fiction: supersonic jets able to traverse the vastness of the Pacific Ocean in under two hours. But recent tests by Japan's Aerospace Exploration Agency (JAXA) ...