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Thread: Beware the T3 tailwheel shock

  1. #81

    Join Date
    Nov 2011
    Posts
    8
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    I experienced two failures of an early version of the T-3 suspension on my Carbon Cub EX. The tailwheel is the Airframes Alaska baby bush wheel which looks like a Scott 3200 clone. The first failure was the shock spring shaft. Airframes Alaska sent me a stronger spring assembly. The second failure occurred in Jul 2019 at the swing arm strap. I installed the upgraded kit which has a one-piece swing arm. It has performed satisfactorily since with 1000 landings on dirt and lots of operations on clump grass.
    I have been in experimental aviation for a long time and understand that many early innovations experience deficiencies. I value the capability of the T-3 suspension to noticeably reduce shock loading to the airframe and will continue operations with it. Also, my wife has chronic back pain appreciates the comfort the suspension affords.

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    Thanks Colorado-Cub, C130jake thanked for this post
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  2. #82
    DJ's Avatar
    Join Date
    Jan 2009
    Location
    Bolivia
    Posts
    327
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    Looks like that scenario could damage the rudder.

    Sent from my SM-G965U1 using SuperCub.Org mobile app
    The heavens declare the glory of God; the skies proclaim the work of His hands. Psalms 19:1

  3. #83
    C130jake's Avatar
    Join Date
    Sep 2012
    Location
    Minnesota
    Posts
    431
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    The saga is over. I rebuilt the wing, replaced the aileron and put the Pawnee spring back on and rebuilt the tail wheel.
    Flies straight and taxis straight.

    I can't thank supercub.org enough for the technical and moral support. I owe SJ and Laura big time for letting me crash at their place while putting it back together and Dave P for letting Astrid hang out with his 170 in Bentonville.

    Oh, and the next time one of you have a failure like this, please post so others can avoid the same fate. Maybe we need a service bulletin type thread like medical matters. Be safe out there.

    JakeClick image for larger version. 

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    Sent from my SM-G970U using SuperCub.Org mobile app

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