Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, ...

Today, we explore the Birotary Engine, a unique creation that merges the features of piston and rotary engines. This video ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

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 ...

The piston engine may be the most common type of internal combustion engine found in consumer automotive vehicles. That doesn't mean it's the only option drivers have ever had access to. In the 1960s, ...

Woodward. has been granted a patent for a rotary actuator featuring a housing with an arcuate chamber, a rotor arm for rotary movement, and a piston for reciprocal movement. The design includes a ...