An L-ring (a piston ring with an L-shaped cross section) has been used on some air-cooled two-stroke gasoline engines. Good performance has been obtained; the reason is unknown. The maximum power of these small engines (used mainly for small cars, motorcycles, outboard motors, snowmobiles, etc.) is limited by its thermal load endurance. So piston and cylinder become the most important factors to the engine's performance. L-ring effects are examined in the light of these temperature measurements.


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    Title :

    L-Ring Effect on Air-Cooled Two-Stroke Gasoline Engines


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1973 International Automotive Engineering Congress and Exposition ; 1973



    Publication date :

    1973-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    SMALL AIR-COOLED GASOLINE ENGINES

    Lechtenberg, Leo | SAE Technical Papers | 1946