The traditional piston engine ... small sports car from the company that makes the beloved MX-5, the car is gorgeous, not to mention it could also represent a paradigm shift in the utility of ...

It's not a rotary, per se, but the internals do rotate. The engine. It's a testament to its initial design, as whether it's in a V-configuration, W, H, or even flat, it really hasn't changed its ...

However, due to the design of the rotary engine, there is no way to keep the oil lubricating the seals out of the combustion chamber. Mazda engines include an injector pump which pushes small ...

Small engine manufacturer LiquidPiston is developing a tiny, lightweight, super-efficient engine that functions a lot like Wankel rotary units. Despite that, LiquidPiston says the unit can deliver ...

To make matters worse, rotary engines need their rotor chambers to be lubricated with oil, and even with precise injection of very small amounts to keep the rotors from damaging the chamber walls ...

Mazda's Wankel rotary engine ... internal combustion engine that eschews such unsightly items as pistons, valves and camshafts. The Wankel packs lots of power into a very small package, but ...

The 4-H Small Engine project creates the education and hands-on opportunity for youth to learn all about engines. In this project youth will identify and discover the function of different engine ...

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine.

Both 787Bs were powered by 2.6-liter four-rotor engines that were detuned to 700 horsepower. Afterward, the FIA announced that rotary engines would no longer be allowed at Le Mans.

The tiny single-rotor 330cc engine generates 30bhp at 4,500rpm and, via a belt drive, can maintain a continuous electric output of 20kw. The compact size of rotary engines makes them perfectly ...

The latest version adds a rotary engine to its compact predecessor, with prices ranging from 4.2 million yen ($28,000) to 4.9 million yen after tax. The MX-30 Rotary-EV will arrive on the Japanese ...