In the early 1970s, BSA-Triumph reckoned the compact rotary engine could be perfect for use in motorcycles. In 1973, BSA merged with Norton, only to be shut down soon after. However, this meant Norton now inherited the rotary engine project. They continued to develop the twin-rotor unit, hoping it would revolutionize the motorcycle market in the mid-1970s—it didn't.
The Norton F1 Is The Twin-Rotor Wankel-Powered Superbike The World Forgot
The Norton F1 was an engineering masterpiece with a rotary engine, but it's mostly forgotten these days.
