The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

Warped Perception — a channel dedicated to putting a fun spin on science, engineering, and technology — has been known to feature miniature engines to give viewers a better understanding of how the ...

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe ...

Rotary engines are already known for their high RPM; the smaller they get, the higher they tend to rev. So what happens when the world’s smallest rotary engine gets put to the test? Well, 30,000 RPM ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

Do you remember Gulliver's first voyage to the island of Lilliput? The indigenous people there were less than 6 inches (15 cm) tall. That's almost twice the length of a Hot Wheels diecast vehicle.

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

It’s common in this line of work to stumble upon a story while researching for another story. Digging through archives and ...

LiquidPiston's XTS-210 rotary engine is about the size of a basketball but could replace generator engines several times larger. A Connecticut-based company is on contract with the Army and Air Force ...

Rotary might be a good name for this sort of engine, if the name wasn't already taken. Everything inside the crankcase rotates, but unlike a Wankel-style rotary engine, this design uses a piston with ...

A Wankel engine is a type of rotary engine, but not all rotary engines are Wankel engines. Wrapping your mind around this idea will help you to better understand the similarities as well as the ...