The rotary engine isn't perfect. Gas mileage isn't so great ... Fast, furious, and fun, the RX series has inhabited pop ...

We all know about opinions – everyone’s got one etcetera – but there’s perhaps nothing quite as divisive in the automotive world as the rotary engine. Aficionados will wax lyrical about ...

The KKM design was quickly adopted and licensed. This engine is the basis of the modern “Wankel” rotary engine. Piston powered engines, chiefly the Otto and Diesel cycle, are current kings of ...

In its simplest form, a Wankel rotary engine has just two moving parts: the rotor and the output shaft. Compare that to modern piston cylinder engines, which have over 40 moving parts. Of course ...

E is a rotary engine, constructed on the plan of Holly's patent, as shown in our former illustration. F is a rotary pump, also constructed aft0r the plan of Holly's patent. G is a take-off for a ...

The model’s rotary engine is also intended as a backup for power production in emergencies and other contingencies. For example, if a household consumes 10 kilowatt-hours daily, electricity can ...

Mazda's persistent use of the rotary engine is perhaps the perfect example ... with handsome styling that still looks better than its more modern rivals. With the 2.5-liter turbo engine, the ...

Of course we can’t go back in time like that, but seeing a modern replica of Hero’s Engine built and tested probably isn’t too far from such an experience. The engine, also known as an ...

The Red Baron." The D.VIII came later, following the similar D.VII design but with a rotary engine instead of the D.VII's ...

The new Toyota Prius is a PHEV, while Mazda’s MX-30 R-EV is a rotary-engined range extender. Which takes charge here?

The addition of a rotary engine is an ingenious solution to the Mazda MX-30’s measly range, making this plug-in hybrid version of Mazda’s oddball crossover a much more versatile option than ...