What has zero moving parts, yet can blast an aerial vehicle to velocities beyond Mach 5? The answer is the recently flight-tested Atmospheric Test of Launched Airbreathing System (ATLAS) powered by a ...

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 ...

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 ...

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 ...