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 ...

A dual-mode ramjet design showed a 3X increase in airflow compared to previously flight-tested hypersonic technology, and was developed and tested in less than 11 months. GE Aerospace reported it ...

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 ...