The US Army VICTOR drone uses an optimized heavy-fuel rotary engine developed with metal 3D printing for rapid prototyping.

Not every engine has a set of pistons that move up and down in a cylinder. The Wankel, or rotary engine, delivers its power with rotational force rather than a reciprocating mass that hammers out ...

Military drones may soon fly longer, climb higher, and operate without dedicated liquid cooling ...

Rotary engines are compact, smooth, and powerful, so why don't more automakers use them? Well, it's complicated.

Reading over the 25 -page document, Mazda describes how a rotary engine is better suited for a hybrid layout over a traditional piston-driven ICE unit. Because of its compact nature, the rotary engine ...

Good news, everyone! Mazda is not only reassembling a dedicated team of engineers for rotary engine development, as we’ve reported earlier, but today it also announced its intention to expedite ...

The rotary engine has been a Mazda staple since 1967. It powered one of the most famous and eccentric Japanese sports car line-ups, the RX-series, until 2012 when Mazda discontinued pure ...

Kyle has written professionally across the motorsport and motoring world since graduating from Plymouth University in 2018, and has acted as the MotoGP editor for Motorsport Week and as a Features ...

The rotary engine, previously a staple in Mazda's lineup, is an engine design that foregoes the round piston and singular chamber of a regular reciprocal internal combustion engine. Instead, the ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

The Wankel rotary engine is an engineer's dream. Smaller, lighter and simpler than any piston engine, the spinning-triangle design can crank out major power from a tiny package with a minimum of ...

The rotary engine, with its egg-like block and triangular rotor, is an oddball even among all the other oddball engine designs—sorry, three-cylinder, twin-turbo, camless Koenigsegg, ya basic. That ...