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Thread: Wing Spar Question

  1. #1
    Junior Member
    Join Date
    Oct 2019
    Location
    Fort Collins
    Posts
    7

    Default Wing Spar Question

    I have just started building my EX2. When I was laying out the wing spars and looking them over I noticed that the area around the inboard topside hole on all of the wing spars is roughed on both sides of the wing spar. I was wondering if this is normal and if it is normal what is the purpose of this roughened area?

  2. #2
    Administrator Pete D's Avatar
    Join Date
    Jan 2010
    Location
    Yakima, WA
    Posts
    1,178

    Default Re: Wing Spar Question

    That is part of the debur, post machining process.
    Pete Dougherty
    Customer Support Manager
    Cub Crafters Inc

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