The NSU Wankel Spider was the first car to be powered by the Wankel rotary engine. A rotary engine uses an internal shaft with lobes that form combustion chambers and in that layout combines the principles of the turbine and the piston. This engine was invented by Dr Felix Wankel. He intended it to be an answer to the perceived inefficiencies of the piston engine. Dr Wankel felt that the direct rotary action as a driving force for cars was one step up from imparted rotary action, as is the… Read more