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Thread: Mod 4 Speedster Door Windows

  1. #1
    Spook712's Avatar
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    Default Mod 4 Speedster Door Windows

    Hi,
    has anyone tried to fix the doorwindows using rivnuts and screws rather than rivets.
    I'm concerned with getting the rivnuts installed in the round doorframe metal.

    Thanks for the Help,


    Tuna

  2. #2
    tommg13780's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    I used these sheet metal screws with rubber/metal washers similar to the screws for galvanized roofing. I'm not particularly pleased with the appearance but seems functional. also the tape/gasket was used, I can't remember the name of the product but seems like it was 3M and available at auto parts store. (expensive)
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  3. #3
    Spook712's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    You just screw them into the holes in the doorframe?
    Or is there any thread on the frameside?

  4. #4
    Super Moderator Av8r3400's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    I used 6-32 screws long enough to go through the frame with acorn nuts on the inside.
    Av8r3400
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  5. #5
    Spook712's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    Quote Originally Posted by Av8r3400 View Post
    I used 6-32 screws long enough to go through the frame with acorn nuts on the inside.
    So you drilled through the doorframe?
    I kind of wanted to avoid that, in order not to weaken the frame or is that not an issue?

    Greets

  6. #6
    Senior Member SkySteve's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    When I replaced my door windows I used rivnuts. They worked great.
    Steve Wilson
    Huntsville, UT
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  7. #7
    Senior Member DanB's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    I used riv-nuts on my doors. If you screw them down too tight, little fracture lines occur. Take the time to ream the holes in the plastic (get rid of sharp edges). I would also include a rubber/plastic washer between the door plastic and the screw head.
    Dan B
    Mesa, AZ

  8. #8
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    Default Re: Mod 4 Speedster Door Windows

    Last winter I made up these doors for the Vixen. Attached them with automotive self tapping screws and double faced molding tape. Flew all last summer and they worked well.
    Reaming the holes is probably important
    Don
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  9. #9
    Super Moderator Av8r3400's Avatar
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    Default Re: Mod 4 Speedster Door Windows

    Quote Originally Posted by Spook712 View Post
    So you drilled through the doorframe?
    I kind of wanted to avoid that, in order not to weaken the frame or is that not an issue?

    Greets
    It hasn't been an issue for me. This is the way my flying plane is configured, so I was going to do my project plane the same.
    Av8r3400
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  10. #10

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    Default Re: Mod 4 Speedster Door Windows

    I used zip ties. Drilled a hole through the lexan on each side of the tubing. Buy the colored zip ties if you want them to match.

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