To German financier Joe Siefert and partner Richard Negus nothing compares to a motorcycle with a rotary engine.So the pair have bought the stock of rotary parts of Norton cycles with hopes of ...

Brian Crighton talked with Faster and Faster and expressed his beliefs in the potential of rotary engines. Seeing how his own mill delivered 200 HP at 11,000 rpm and a hefty 135 Nm (just under 100 ...

That’s right, this bike is the owner of Frame #1, and was the first P55 F1R to leave Norton’s Shenstone factory. It was produced on April Fool’s Day of 1990 and has only ever had one owner ...

Guy Martin in the bid to break a 200mph speed record with a Crighton 700w. Media sourced from Crighton Motorcycle’s Facebook Page. “The CR700W is the latest incarnation of the twin rotor racer, ...

The Crighton CR700W is a rotary-engined machine that’s garnered much attention in the press over the last week. And there’s enough reason to see why. Firstly, it’s the only rotary-engined motorcycle ...

Dean Benstead’s project began with a rotary air compression engine, around which he built a dirt bike. He started with a Yamaha WR250R frame, and added a scuba-diving tank and a 25-pound engine ...

The extraordinary Crighton CR700W extracts an incredible 220 hp from a 690cc twin-rotor Wankel engine, and weighs just 129.5 kg (285.5 lb) dry for a MotoGP-level power-to-weight ratio. Its maker ...