Internal combustion engines are a relatively new development in terms of human history. A lot of people still alive today ...

The host of this video describes the tiny motor as a "Wankel rotary model aircraft engine," and while it looks very much like a toy, there's nothing toy-like about the classic, rotary-smooth, high ...

The video comes courtesy of [Warped Perception], and features a small Wankel rotary engine intended for model aircraft. The engine’s end plate is removed and replaced with a transparent plate ...

There was even a Visible model of the nine-cylinder Pratt & Whitney Wasp rotary aircraft engine, also motorized.

This new video shows off the rotary engine by adding a clear side to a tiny model-airplane engine, something that we weren’t aware existed and are glad to know about now.

So far, the rotary valve engines have really only made waves in the model aircraft industry, a market that RCV is very active in, but PGO believes the engines in the 125-150cc range could power ...

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

The iconic rotary car engine, thought to have been consigned to the dustbin of impractical technology, is making a comeback in Japan from the very automaker that introduced the system as far back ...

The world's smallest rotary engine can fit in the palm of your hand, while still producing a maximum output of 0.7 horsepower!

Longer-range unmanned military aircraft. More fuel-efficient hybrid electric vehicles.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Although numerous rotary aircraft ...

Mazda is bringing back the rotary engine for use as a range-extending generator in its MX-30 electric SUV, which can only go 100 miles between charges.