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 ...

The startup Hermeus is rapidly developing a hypersonic plane. They have begun testing their proprietary precooler technology with the Pratt & Whitney F100 engine. This video highlights some of our ...

Since the dawn of flight, people have been chasing the fastest of go-fast propulsion systems – and it's worth taking a look back over some of that history to put this latest invention in context. Skip ...

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.

Hypersonic developer Hermeus has begun testing a proprietary pre-cooler engine technology that will be a critical feature of the company’s ultra-fast Quarterhorse aircraft. Pre-cooling refers to the ...

In brief: Researchers in China have successfully tested the world's first boron ramjet engine that can operate both in the air and underwater. The engine was originally conceived for hypersonic ...

The race to bring hypersonic flight into the real world just took a leap forward with Venus Aerospace's successful test of a revolutionary engine. The Houston-based startup has developed a compact ...

COLORADO SPRINGS—Houston-based startup Venus Aerospace has successfully ignited its detonation ramjet at equivalent takeoff speed, marking a key step toward developing a rocket-based combined cycle ...