Wild twin-Wankel 690cc motorcycle makes 220 hp at 129.5 kg
The extraordinary Crighton CR700W extracts an incredible 220 horsepower 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 believes it could be the final word in combustion bikes.
newatlas.com
