To this day, the Mazda 787B is the only rotary-powered car to win at Le Mans. While it survived the 24-hour endurance race, ...

Popular East Park attraction the Rotary Cannonball, officially the Minneapolis & St. Louis Railroad No. 457 steam locomotive, ...

In 1954, Wankel finished designing a rotary piston engine for NSU known as the Drehkolbenmotor (or the DKM). This ...