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 ...

When it comes to unique engine designs, one of the most prolific is the trusty rotary configuration. Instead of featuring a number of spherical cylinders moving up and down like in most internal ...

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

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

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 ...