Davis started his career in Waukegan a few years after the RC engine debuted. In 1972 OMC also introduced an air-cooled 35-hp 528cc rotary engine for its Evinrude and Johnson snowmobiles, and that ...

According to Racing Beat's Jim Mederer, "Cooling is the most critical concern when using a rotary hard. Start by inspecting the radiator and oil cooler(s) for debris (sand and bugs).

This 12-Rotor Rotary Engine Is Wild It has the dimensions and bolt pattern of a Chevy Big Block, so we have plenty of swap ideas. By Mack Hogan Published: May 04, 2023 10:38 AM EDT ...

In 1991, a rotary-powered Mazda won the 24 Hours or Le Mans. By 1992, rotary engines were no longer allowed to race there. But for the 2021 season, 30 years after the fact, the organizers behind ...

Racing Beat pumped Mazda’s 70-cubic-inch two-rotor 12A Wankel engine from a stock 95 horsepower to a potent 198 stallions stampeding at 8400 rpm. In 1973, Bedard earned pole position in our ...

Editor, Evan Griffey, explains why the Rotary Engine, such as in the 1970 Mazda R-100, is also referred to as a "Wankel". Get the details here in this month's issue of Turbo & High-Tech Performance.

An R&D engineer at Norton for many years, Crighton still dreams about a new generation of rotary engines. Only this time it's not a racing-oriented endeavor, but a stride for casual road bikes.

Correction 1:40 p.m. ET, June 22, 2023: An earlier version of this story stated the MX-30 R-EV's rotary engine was the first of its kind Mazda has produced in 11 years.

Not only has the 2023 Mazda MX-30 R-EV rotary plug-in hybrid been revealed, it's now in production, truly making it a reality. Production started Thursday.