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Thread: Spar reinforcement fittings

  1. #1
    Senior Member Flybyjim's Avatar
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    Jul 2013
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    Marysville, Pa.
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    585

    Default Spar reinforcement fittings

    Just started the mount of the wings to the fuselage and was wondering if you need to paint the spar reinforcement fittings. Are they seen from the inside the plane once finished?

  2. #2
    Senior Member jiott's Avatar
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    Jun 2010
    Location
    Portland, OR
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    2,960

    Default Re: Spar reinforcement fittings

    No they are not seen, but since they are steel (not stainless) they should be primered at least. I would leave the sides that get glued bare, and primer the exposed side. FYI- don't forget to mix in the microballoons to the Hysol to maintain spacing between the steel and the aluminum spar (dissimilar materials).
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

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