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Thread: Pop open window latch mounting

  1. #21
    CamTom12's Avatar
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    Default Re: Pop open window latch mounting

    I bent my lower piece to give the set up a better angle to go over center and keep closed. It did require a little bit of trimming on the upper portion. It doesnít pop open any longer.

    Iím still not super happy with it though.

  2. #22
    Frank Green's Avatar
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    Default Re: Pop open window latch mounting

    As I recall mine was a roll pin on my 1960 PA22 but I now have a cotter pin. Works fine.
    -Super Stub-

  3. #23
    Kyle Duncan's Avatar
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    Default Re: Pop open window latch mounting

    Quote Originally Posted by Steve Pierce View Post
    Binder post. is that the same as a clevis pin?
    It's one of those bolts that thread into a long female threaded tube. The screw heads are very low profile.

    5MA53_AS01.jpg
    Last edited by Kyle Duncan; 10-09-2019 at 01:39 PM.
    Kyle
    N3951P PA-22-150

  4. #24
    CamTom12's Avatar
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    Default Re: Pop open window latch mounting

    Quote Originally Posted by Kyle Duncan View Post
    It's one of those bolts that thread into a long female threaded tube. The screw heads are very low profile.

    5MA53_AS01.jpg
    We used those to hold large unbound manuals together. Very handy.

  5. #25
    andya's Avatar
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    Default Re: Pop open window latch mounting

    Can you indicate how you bent the lower piece? Was the bend significant enough to shorten or lengthen the distance between the ends
    "Progress is our most important problem"

  6. #26
    CamTom12's Avatar
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    Default Re: Pop open window latch mounting

    Iíll take a picture tomorrow when I go back out to reprogram my ignitions.

    It wasnít a significant bend, just enough to allow the latch to ďcam overĒ more and stay shut in flight. This was more of a field-expedient fix as I was leaving Fairbanks for Alabama the next morning and didnít want to be holding the window shut for 4 days.

    Iíve got a pretty spartan interior so I had room to go (sort of) under the windowsill. Then I had to trim the upper price a little with a dremel to let it fit around the mounting tabs for the lower piece. Itís been fine for about 300 hours so I donít think I compromised much strength, Iím just unhappy with the binary window positions.

  7. #27
    smcnutt's Avatar
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    Default Re: Pop open window latch mounting

    Quote Originally Posted by Kyle Duncan View Post
    It's one of those bolts that thread into a long female threaded tube. The screw heads are very low profile.

    5MA53_AS01.jpg
    I was out at the hangar looking at the latch mechanism and one of these wouldn't work for the lower pivot point. There's not enough clearance when the outer sheet metal closes over the lower mount. Even being low profile, the heads would still be in the way. I think a roll pin that doesn't protrude beyond the lower bracket is what will be required. You could maybe crimp in some kind of double ended rivet but I think it needs to be removable so you can access the screw beneath it.

    I have some additional pictures I can post later.

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    ďCommon sense is in spite of, not the result of, education.Ē
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  8. #28
    CamTom12's Avatar
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    Default Re: Pop open window latch mounting

    Found a picture I took a couple of weeks ago:



    You can see the area I trimmed from the upper portion of the latch. The other side is trimmed similarly. This clears the lower portionís mounting tabs and the bolt/screw thatís mine is mounted with.

  9. #29
    Kyle Duncan's Avatar
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    Default Re: Pop open window latch mounting

    [QUOTE=smcnutt;119699]I was out at the hangar looking at the latch mechanism and one of these wouldn't work for the lower pivot point. There's not enough clearance when the outer sheet metal closes over the lower mount. Even being low profile, the heads would still be in the way. I think a roll pin that doesn't protrude beyond the lower bracket is what will be required. You could maybe crimp in some kind of double ended rivet but I think it needs to be removable so you can access the screw beneath it.


    You may be correct about the clearance. I've noticed most of them have a higher profile head than the one I have. Mine is very old from the looks of it and has a flat head on both ends. The one's I see at places like Lowe's have a slightly rounded head. May be able to file it down a little or maybe bend the bracket out a little. Just speculating. These are the things that really frustrate me.
    Kyle
    N3951P PA-22-150

  10. #30
    ysifly2's Avatar
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    Default Pop open window latch mounting

    Donít know if the flat head counter sink version would work, but McMaster-Carr has quite a selection of the binder posts, or binding barrels and screws as they define them.

    https://www.mcmaster.com/catalog/125/3185

    Page down and you should find this:
    IMG_0077.jpg


    Bryan


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