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Thread: Tailwheel Shimmy and Spring

  1. #11
    Senior Member jdmcbean's Avatar
    Join Date
    Jun 2008
    Location
    Homedale, ID
    Posts
    536

    Default Re: Tailwheel Shimmy and Spring

    The original Grove aluminum tail wheel spring was very different and most certainly had a stiffer ride. One of the reasons that spring is no longer produced. The development of the new aluminum spring had that in mind and the attempt was made to have the aluminum spring ride like the steel spring... and it is real close. It is slightly lighter than the steel 3 leaf spring and mounts completely different. Works on the same principal as the main gear using the radius block at the rear mount.
    John McBean
    www.kitfoxaircraft.com
    208.337.5111

    "The Sky is not the Limit... It's a Playground"

  2. #12
    Senior Member jiott's Avatar
    Join Date
    Jun 2010
    Location
    Portland, OR
    Posts
    2,959

    Default Re: Tailwheel Shimmy and Spring

    Thanks John for the clarification.

    One other advantage of the aluminum spring is greater stiffness torsionally (greater resistance to side loads) which I believe is one reason why it feels more stable on rollout in gusty conditions.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

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