In the wake of World War II, as aviation rocketed into the jet age, Lockheed's Skunk Works developed the Lockheed X-7 - an ...

A jet engine is any engine that can propel an aircraft of some kind via rearward expulsion of a jet of fluid, typically a hot exhaust gas that the engine generates by drawing in fuel from the ...

Watch its Chimera hybrid engine nailing the switch between low-speed turbojet mode and hypersonic ramjet mode. Under US Air Force funding, the company is charging forth on its Quarterhorse project ...

During a series of tests at the Notre Dame Turbomachinery Laboratory in Indiana, the company’s engine, called Chimera, switched between turbojet and ramjet power. It’s believed to be the first ...

The engine doesn't have moving parts like turbines ... resembles the already proven high-speed airframe of the hybrid turbojet/ramjet-shod SR-71 Blackbird. The Blackbird had a publicly confirmed ...

Hermeus demonstrated that its engine can transition from turbojet—like what’s used in passenger aircraft—to ramjet, a much more powerful engine technology. Hermeus, a startup building a ...

Late last year, Hermeus passed a major milestone by successfully firing a turbojet-ramjet hybrid engine, known as “Chimera.” The air-breathing monster behind the powerful SR-71 is a Pratt ...

TL;DR: A hypersonic dual-mode ramjet engine is a high-speed air-breathing jet engine capable of operating efficiently at both lower and extremely high Mach speeds by utilizing dual combustion modes.