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Thread: Crosswinds STOL Flap/Aileron gap seal

  1. #1

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    Default Crosswinds STOL Flap/Aileron gap seal

    Does anyone have pictures of the underside of wing flap and ailerons with the Crosswinds STOL FLAP & AILERON SEAL installed.

    I am looking for specific details of how the seals are installed to verify the length of each piece.

  2. #2
    Marc Davis's Avatar
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    Default Re: Crosswinds STOL Flap/Aileron gap seal

    Do you have the STC paperwork? It shows that in detail. Much better than a picture could. They are kind of hidden up inside the gap.
    I have the flap seals installed. I need to reinstall the ailerons.
    Last edited by Marc Davis; 09-14-2020 at 05:51 PM.

  3. #3

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    Default Re: Crosswinds STOL Flap/Aileron gap seal

    Quote Originally Posted by Marc Davis View Post
    Do you have the STC paperwork? It shows that in detail. Much better than a picture could. They are kind of hidden up inside the gap.
    I have the flap seals installed. I need to reinstall the ailerons.

    Actually I do have instructions & a 337. BUT no STC with aircraft records. Flaps were modified, cuffs and the stall fence brackets were installed and a recover done at same time, but wings were never installed. FAA Records CD had copies of STOL & recover, both indicating installed 7/26/96.

    The last entry in the aircraft log book was dated 11-9-68 and aircraft had been stored inside until 2018-19 time frame.

    The false spar extension @ wing root to fuselage was not finished but flaps were modified per instructions. The flap seals were not installed since the wings had not been reinstalled and the flap/aileron gap seals were missing.

    I spoke with Charlie Center @ Crosswinds STOL for info, told him what I have, asked if there was a record of the STC for the install. His comment was that it was so long ago, & 4 secretaries later, he did not know where to look. Sold the me a set of new gap seals, and a copy of the STC to go with the 337 that was on the records CD.

    The missing detail that I did not have was the length of the seals, where to cut for length between hinge points. I called again and spoke with "Mike" and he told me they no longer use the spray adhesive because it was so messy. They now use 1/2" wide aluminum strips & PK x1/4 screw @ +/- 3" on center to secure aluminum & fabric to the false spar. They use aluminum pop rivets to attach seals to the flap & aileron.

    If you don't mind, I would like to see how your flap seals look installed, from bottom flaps down and or top flaps retracted.
    you can text to me @ 509 521 7619

    Bob

  4. #4
    Marc Davis's Avatar
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    Default Re: Crosswinds STOL Flap/Aileron gap seal

    Sure. I'll send you some pics. I will get out to the hangar this week. BTW, my paperwork was missing off the FAA database. I suspect my wings were from a different aircraft and the paperwork was done "creatively". Charley also sold me a copy of the STC to make everything legal for a reasonable price. Very nice of him.
    Last edited by Marc Davis; 09-15-2020 at 12:30 PM.

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