The Honda Chimney Engine represents a bold leap forward in engine technology, integrating a valve within the piston and featuring a unique radial rotary design that challenges conventional automotive ...

Mazda stayed faithful to the rotary engine in the gas era, and some new innovations mean that the rotary will continue in the ...

The Adams-Farwell rotary engine works by spinning within the engine compartment like a horizontal windmill. It's both innovative and a little scary.

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who ...

LiquidPiston's tiny rotary engine is a modern take on the Wankel rotary, and it's around the same size as a basketball.

The U.S. Army Mobile And Survivable Command Post (MASCP) may use a new type of mobile generator powered by a revolutionary ...

The thing works as a two-stroke engine, delivering six combustion events per revolution of the rotor. Thanks to supercharging, the 210cc engine can deliver an output of 25 horsepower.

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 ...

Another day, another Mazda rotary engine story, except this time, it’s from the automaker itself instead of a third-party speculator. Mazda announced a new ...

One of the rotary engine's biggest champions, AIE has been advancing rotary design since 2012. Its latest release shows that Wankel engines can be a perfect fit for compact, power-demanding ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This model was filed with the ...