Modifications to continuously variable transmissions (CVT) are presented in order to improve overall performance in recreational vehicles. A computer controlled CVT would eliminate performance-inhibiting compromises currently imposed by mechanical sensors and actuators. The authors propose a computer controlled CVT to obtain improved performance. This paper considers a snowmobile modification that is a stepping-stone towards a fully computer controlled CVT. External force was applied with a pneumatic cylinder and four bar linkage to the driven pulley to vary sheave pressure and override the natural shift pattern. An external force of 431 N increased track speed 59% during hill climb testing. Ultimately, a microprocessor would use input signals from track speed, engine speed, and throttle position to shift the CVT to obtain maximum performance.


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    Title :

    Improved Recreational Vehicle Continuously Variable Transmission


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Small Engine Technology Conference & Exposition ; 2004



    Publication date :

    2004-09-27




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Imporved Recreational Vehicle Continuously Variable Transmission

    Robinson, A. / Raymond, R. / Hale, Z. et al. | British Library Conference Proceedings | 2004


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