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Thread: Riviting in the center cabin skylight rib

  1. #1

    Join Date
    Oct 2013
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    Petal, Miss
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    Default Riviting in the center cabin skylight rib

    I've got a question for some of you. What are your thoughts about riviting in the cabin top center rib similar to the way the skylight is rivited to the butt ribs? The center rib seems awful flimsey without being attached to something.

    Cheers,
    Chuck Gruby
    Petal, Kit Fox III Flying

  2. #2
    Senior Member Av8r_Sed's Avatar
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    Feb 2010
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    10C Greenwood, IL
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    Default Re: Riviting in the center cabin skylight rib

    Mine is riveted at each end. With a foam strip and the Lexan sitting on top it doesn't seem flimsy to me.
    -- Paul S
    Model III SN910
    582 IVO Med

  3. #3

    Join Date
    Oct 2013
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    Petal, Miss
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    Default Re: Riviting in the center cabin skylight rib

    Quote Originally Posted by Av8r_Sed View Post
    Mine is riveted at each end. With a foam strip and the Lexan sitting on top it doesn't seem flimsy to me.

    I am just in the process of fitting the windshield and don't have the foam strip on top of the rib. I suppose that would provide some lateral rigidity.

    Thanks,
    Chuck Gruby
    Petal, Kit Fox III Flying

  4. #4
    Senior Member HighWing's Avatar
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    May 2009
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    Goodyear, AZ
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    Default Re: Riviting in the center cabin skylight rib

    My take on the skylight rib is pretty much to prevent vibration on the skylight from the propeller pulses. I used some weatherstrip foam on top of the rib in a color to complement the overall scheme. My primary motivation was to prevent wear scars on the skylight that would occur with movement between the rib and Lexan - in my case.
    Lowell Fitt
    Goodyear, AZ


    My You Tube Channel

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