Revolutionary engine prototype three decades in the making could replace combined turbine-ramjet systems in high-speed flight ...

China is developing a groundbreaking air-breathing engine, potentially powering next-generation fighter jets and hypersonic ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

There have been many strange ways to power an aeroplane. In this story we’re going to look at 10 of the strangest methods. There wasn’t room to get into several other fascinating engines, fuels or ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

WWII helicopters were used for troop transport, casualty evac, airborne command posts, SAR operations, and attacking ground ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...