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Thread: Pipe fence gate

  1. #1
    Join Date
    Apr 2012
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    1

    Default Pipe fence gate

    Hello,
    I am building a 2 rail pipe fence out of 2 3/8 sc40 pipe and I am looking for ideas for a 16 foot gate design. I plan to make my own hinge using 2 7/8 pipe. anayone have any advise?

  2. #2
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
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    3,900

    Cool

    Just find a pipe that will fit in another pipe for the hinge. Weld one side to the gate and the other side to a plate if you want to bolt it to a post...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
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  3. #3
    Join Date
    May 2011
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    Bossier Parish La.
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    547

    Default

    Not sure, but the 2 3/8" pipe may slide right into the 2 7/8". If that's the case it should be no problem, or just get some that does have a snug fit as aametalmaster said. You also might want to consider making 2 8' gates instead of one 16' gate. This would reduce to leverage and load on the hinges, making them last longer and less likely to fail.

  4. #4
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    Feb 2007
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    Near Dallas, TX
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    Default

    I'd make the gate out of thinner wall pipe. 2-3/8 or 2-7/8 sounds like you might be using drill stem. That's going to get really heavy when suspended 16 feet out.

    I have seen gates that heavy. The problem usually isn't with the hinge. It's with the support of the hinge post. With that much weight hung out, you'll need good support behind the post (in both the open and closed positions) to keep the post from leaning over.

    I also like to add a grease fitting to all my hinges. Tight tolerances and good alignment on the hinge makes it operate smoothly, but any rust in a tight tolerance gap is asking for it to seize. Make it so rain can't get into the hinge and keep it full of grease and you'll have no problems.

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  5. #5
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    Cool

    I worked on a farm for 10 years and all the big gates had post problems. The gates and hinges were fine but over time the posts would move...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
    Spool Gun conversion. How To Do It. Below.
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  6. #6
    Join Date
    May 2011
    Location
    Bossier Parish La.
    Posts
    547

    Default

    Quote Originally Posted by Andy View Post
    I'd make the gate out of thinner wall pipe. 2-3/8 or 2-7/8 sounds like you might be using drill stem. That's going to get really heavy when suspended 16 feet out.

    I have seen gates that heavy. The problem usually isn't with the hinge. It's with the support of the hinge post. With that much weight hung out, you'll need good support behind the post (in both the open and closed positions) to keep the post from leaning over.

    I also like to add a grease fitting to all my hinges. Tight tolerances and good alignment on the hinge makes it operate smoothly, but any rust in a tight tolerance gap is asking for it to seize. Make it so rain can't get into the hinge and keep it full of grease and you'll have no problems.
    The weight is what I was thinking when I suggested making two 8' gates instead of one 16' gate. Easier on the gate posts as well as hinges.

  7. #7
    Join Date
    Dec 2007
    Location
    PA
    Posts
    354

    Default

    Here are some dimensions for IPS pipe.

    I have used the 3/4" sch 40 and 1" sch 40 combo for a garden gate hinge but for your application, the 3 1/2" sch 40 pipe inside 4" sch 40 pipe may work better even though it is a tight fit.

    I was lucky in that I found stainless steel 3/4" and 1" pipe pieces which fit together even though the "theoretical" dimensions say it wouldn't work.


    Size Sch ID OD

    3/4" IPS 40 0.824 1.05
    3/4" IPS 80 0.742 1.05
    3/4" IPS 160 0.614 1.05

    1" IPS 40 1.049 1.315
    1" IPS 80 0.957 1.315
    1" IPS 160 0.815 1.315

    3" IPS 40 3.068 3.50
    3" IPS 80 2.9 3.50
    3" IPS 160 2.624 3.50

    3 1/2" IPS 40 3.548 4.00
    3 1/2" IPS 80 3.364 4.00

    4" IPS 40 4.026 4.50
    4" IPS 80 3.826 4.50
    4" IPS 120 3.624 4.50
    4" IPS 160 3.438 4.50
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  8. #8
    Join Date
    Jan 2008
    Location
    haslet, TEXAS
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    109

    Default

    Find some 1" rod inside the 1" sch 40. Cap the sch 40 first then drop a 1" ball bearing in it then put a greasert in it. Polish up the rod with a flap wheel then insert it in the pipe. Weld it on and grease it up. No binding and no squeaking either and it opens like a dream.
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  9. #9
    Join Date
    Feb 2012
    Location
    wisconsin
    Posts
    116

    Default

    Sounds like a great idea.

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