What weighs 4,000lbs and is easy to rig?
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    Jim Timber's Avatar
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    What weighs 4,000lbs and is easy to rig?

    I made a daisy chain out of nylon webbing and I want to stress test it on something, but I don't know how to best go about doing it?

    This is a daisy chain for those who didn't know. (mines nowhere near this pretty)
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    Captain Hook Kennyd's Avatar
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    Send it to me and I'll put it on the "Wilburnator"

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    Jim Timber's Avatar
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    I don't want to wreck it, I just want to find out I won't wreck me if it fails. That's a kind offer though Ken, thank you.

    The webbing is rated at 6,000lbs, so the only real question is whether my stitching is sufficient enough and if it compromised the webbing.

    I used 277 nylon thread and have a dozen (or more) passes on each section of tacking which are divided by a box-cross section in the middle. So there's 6 passes, a box-cross about 3/4" square, then another 6 passes. Each row is 6 stitches. So cumulatively there should be no trouble with the whole joint, but theory is one thing and reality doesn't always play along; that's why we don't trust math and do empirical testing. My sewing is also not computer consistent, so there's that variable added in as well.

    If it does rip out, it should be a domino effect and decelerate my fall (which is actually beneficial).


    I think rather than testing my actual daisy chain, I'll make some test coupons (not sure what the sewing industry calls them) and see how they do against real world loads.
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    BigJim55's Avatar
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    Jim Timber--- just asking what ya gonna be lifting with that thing? like what is all them added on loops for? i've never seen such a thing.
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    Quote Originally Posted by BigJim55 View Post
    Jim Timber--- just asking what ya gonna be lifting with that thing? like what is all them added on loops for? i've never seen such a thing.
    It's normally used for rock climbing
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    Jim Timber's Avatar
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    It's got a steel ring I'll clip or tie my main climbing rope into, and the loops in the webbing will be clipped together for the girth adjustment around the trunk.

    I'll show you a pic later when I'm home.
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    Jim Timber's Avatar
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    Obviously, I'd straighten out the twists if I were actually climbing or rigging off it, but this is how it's used.
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    I've climbed El Cap a number of times, am very good friends with quite a few certified arborists, and rigged some heavy construction loads. And I don't see the need for a daisy chain in the situation you want to use it. Unless you can demostrate your need more clearly, I advise against it and just use standard big chokers.

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    Jim Timber's Avatar
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    You mean the big chokers I don't own?
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    It's your life

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