In this fascinating video, we journey through the intricate process of building a rotary valve engine from scratch. Watch as ...

Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

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

Unlike conventional diesels, the Commer Knocker engine used opposed pistons and a single crankshaft, giving it big torque, ...

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 ...

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.

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 ...

American company LiquidPiston announced the start of testing for the XTS-210 heavy-fuel rotary engine that will be used by the U.S. Army's generators and drones ...