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Overload clutch ?

in General Tech Discussion 12 years ago
How can you tell if a 912 gearbox has an overload clutch installed, without dismantiling the gearbox? It seems to me that the externals are identical or am I missing something?

Thanks,

Ralph

  • Re: Overload clutch ?

    by » 12 years ago

    Hi Ralph,

    You don't do a friction torque test on a gearbox with no slipper clutch. An easy way to check is the gearbox without a clutch will not have any free rotation of 15-30 degrees depending on which dog gear set you have. The gearbox with a slipper clutch has that free rotation. You can feel it just by grabbing the prop and turning it slightly.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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