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Thread: Wing inspection plates

  1. #1
    Join Date
    Jan 2017
    Location
    Henry, TN 38231
    Posts
    5

    Default Wing inspection plates

    This is a general rag-wing issue - not specific to the SWPs.

    For five years I dealt with loosing one or more inspection plates off the starboard wing of a Citabria almost every flight. Tried every trick in the book but the only sure remedy was duck taping 'em. Only happened on the right wing so it was most likely a fabric issue but never saw it loose one in cruise flight.

    Finally got a clue lookin' at some recent pictures taken beside the runway. Slack fabric that only became apparent at high AOA on t/o and landing when everyone's attention is somewhere other than the wing skin.

    Follow up with an attentive rear-seat observer confirmed the slack fabric on t/o and landing.

    Click image for larger version. 

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  2. #2
    Join Date
    Oct 2013
    Location
    Lebanon, Mo.
    Posts
    175

    Default

    I have 2or 3 that show signs of moving around on the right wing also on my Pacer. I have some clear packing tape I put on the leading edge of the plate. So far it has fixed the problem and you don't see the tape.

  3. #3
    Join Date
    Jan 2017
    Location
    Henry, TN 38231
    Posts
    5

    Default

    Yeah, 'duck' tape was used as a generic description. Clear tape does look mo' bedda.

    A solid 'wart' made of silicon sealer at the front and sides of the affected inspection hole discs MAY solve some situations.

  4. #4
    Join Date
    Feb 2018
    Location
    Lacombe Ab, Canada
    Posts
    8

    Default

    I’m finding something similar on my pacer. Inspection covers are losing screws on the port wing. I also get fabric flutter at certain speeds - a high speed vibration. At the risk of sounding ignorant - is there any way to tighten the fabric? I will try the packing tape initially to keep the screws from backing out, but what is a fix?
    Thanks

  5. #5
    Join Date
    Feb 2018
    Location
    Lacombe Ab, Canada
    Posts
    8

    Default

    So I went for a fly on Monday - but didn’t have any packing tape. I used a small strip of electrical tape over the screws and only lost one screw during my 45 min of circuits.

    I have however found the perfect solution! Coloured duct tape. My local Bumper to Bumper has white duct tape. Problem solved for eight bucks!!!

  6. #6
    Join Date
    Feb 2014
    Location
    Charlotte
    Posts
    7

    Default

    I saw a few years back someone solved this by putting a nutplate to the ribs or something and the inspection. I have not had much luck with searching the forums - but I think this has been discussed at length before. (yep - I have it too - vibration of the ring leaving dark gray smudges to boot!). Like the idea of clear tape - worried about it pulling paint on the next inspection!

  7. #7
    Join Date
    Oct 2005
    Location
    Graham, Texas
    Posts
    865

    Default

    This is a thread on the solution I came up with. http://www.shortwingpipers.org/forum...ming-Wing-Root

  8. #8
    Join Date
    Feb 2014
    Location
    Charlotte
    Posts
    7

    Default

    That Steve fellow is a brilliant guy!

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