Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here's everything we know about it including how much HP it could have.

Because now rotary specialist Rob Dahm has his hands on the Y-configuration 12-rotor,15.7-liter, tri-turbo engine built for a speedboat, but never used, by high-performance engine builder Tyson ...

Secondly, as the rotor and associated shafts are all working in the same circular motion, the rotary engine tends to be far smoother than a traditional engine with its reciprocating movement.

Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.

The issue, as it has pretty much always been, is environmental. While the Wankel rotary engine does indeed make a lot of power in a small, lightweight package, it does so while burning lots of ...

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012 ...

Mark it down, auto enthusiasts.Mazda built its last rotary engine on Friday, June 22. By final, we mean the line that assembledRenesis engines for Mazda's RX-8 sports car was idled, and there are ...

I have already written about LiquidPiston and its XTS-210, but Avadi's idea is even more striking: it is a reciprocating engine that works as a rotary. Imagine an ICE with a single piston.

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 ...