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

The Rotary Engine's Nazi Inventor The history of the rotary engine is a strange and wonderful tale that dates back as far as 1588 when Ramelli invented the first rotary-piston-type water pump ...

Peering into the guts of a rotary engine teaches you what makes it live, and why it had to die.

The rotary engine works on the same principals as the standard piston-based engine, but it does so in a different manner.

Part 1: The rotary engine’s origin story and how Mazda became synonymous with the unique combustion engine. From the June 2010 issue of Modified magazine.

As the old saying goes, there is no replacement for displacement. That's not the case when it comes to rotary engines, which typically have very small displacement. Instead of cubes, if you want a ...

However despite their pride rotary owners may not fully understand exactly how the engine works, or more specifically, don't admit that it just shouldn't work.

The EGR in a diesel engine plays a significant role in your vehicle's overall performance, but what is it exactly? Here's everything you need to know.

Mazda's debut of the rotary-powered RX Vision concept car at this year's Tokyo Motor Show was surprising for a number of reasons, chief among them that the concept appeared two years after Mazda's ...

PGO working on rotary valve scooter engine The good ‘ol four stroke internal combustion engine has life left in it. Despite the fact that the world’s oil supplies are getting more expensive ...

How does a Wankel engine work How are they different to a 4-stroke Why they’re coming back Like more conventional petrol engines, a rotary engine uses fuel ignited by a spark to produce power ...

The internal combustion engine went through several iterations before we ended up with what we have today. One of these was the "Silent Knight" sleeve engine.