Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Mazda has been the only carmaker to manufacture Felix Wankel’s rotary engine design in volume, and the design went out of production when the RX-8 left the market in 2012. The2022 Mazda MX-30 hybrid ...

In this video, we explore the RevForce engine from Alpha Otto Technologies, a breakthrough in two-stroke engine design. We ...

The rotary engine, a unique and unconventional design, has provided Mazda with remarkable advantages in the world of racing.

Imagine triangles spinning around a shower curtain rod inside a beer keg—that is an elemental description of the screaming Wankel rotary engine. This powerplant is beloved by gearheads the world over ...

Unveiled in 2015 then confirmed and denied too many times by Mazda’s upper echelons as the RX-9 rotary sports car, the RX-Vision is a bite-the-back-of-your-hand beautiful concept. Four years since it ...

A report from TopSpeed has us musing about the future of the motorcycle community when it comes to rotary-powered engines – or if there’s even a potential for a resurgence in the cards at all. There ...

Detached engine components, with 1 cardboard box filled with rings, gaskets, and hardware. Type: Rotary, monosoupape (single valve), 9 cylinders, air-cooled Power rating: 75 kW (100 hp) at 1,200 rpm ...

Click to open image viewer. Power rating: 37 kw (50 hp) at 1,200 rpm Displacement: 7.98 L ( 488.5 cu in.) Bore and Stroke: 110 mm (4.33 in.) x 120 mm (4.73 in.) The first successful rotary engine is ...