Experimental rotary-piston engineIt was in April 1954 that Felix Wankel discovered how to achieve a four-stroke engine operating cycle with a triangular piston turning around separate axes in a suitably shaped housing. An experimental rotary-piston engine was built, and ran for the first time on a test rig in the NSU company’s research department in Neckarsulm. Advantages of the rotary-piston engine are that fewer parts are needed and weight is thus saved. | |
NSU Wankel Spider
In September 1963, NSU displayed its NSU/Wankel Spider at the German Motor Show in Frankfurt. It was the first series-production car in the world to be driven by a rotary-piston engine.
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| NSU Ro 80
In the autumn of 1967 the NSU Ro 80 was presented to the public at the Frankfurt Motor Show. It remained in production for ten years, with 37,295 being built. | |
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Rotary-piston engine
The advantage of the rotary-piston engine is that it needs fewer parts. There are no conrods, inlet or exhaust valves, camshafts, tappets or pushrods. | |
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