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  • mechky
    mechky

    Member • Oct 24, 2011

    IC engine camshaft

    The cams used to operate inlet and exhaust of IC engines are designed for which type of follower motion - SHM or constant acceleration/deceleration?

    I think they are designed for constant acceleration/deceleration

    Any problem if SHM motion is implemented?

    Please comment.
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  • Ramani Aswath

    Member • Oct 24, 2011

    It is a continuously evolving design. The ideal timing will depend on highly varying driving conditions. A lot of things like acceleration, torque, emission levels and fuel economy have to be considered. Camless designs are in development/improvement.
    <a href="https://en.wikipedia.org/wiki/Variable_valve_timing" target="_blank" rel="nofollow noopener noreferrer">Variable Valve Timing</a><a href="https://www.rbracing-rsr.com/camshaft.html" target="_blank" rel="nofollow noopener noreferrer">Camshaft Technology and Calculations</a>#-Link-Snipped-#
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