Development of the Norton Rotary Motorcycle Engine 821068

Norton Motors have developed the mechanically-simple air-cooled-rotor-type of Wankel engine to have a higher specific output than the oil cooled rotor type. The paper traces the development over a thirteen year period and describes the present design.A characteristic of the engine is the very low mechanical friction. Mainly resulting from this factor, the specific fuel consumption is similar to the best four-stroke reciprocating engines. The potential exists for further improvements.


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