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  1. #41
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    Why not skip the ring altogether and just use a Prusik knot? Seems like it's essentially the same thing without the weight of the ring.

  2. #42
    craige's Avatar
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    Looks good I may try this at some point. Subscribed for fr!
    Quote Originally Posted by jaitch View Post
    Why not skip the ring altogether and just use a Prusik knot? Seems like it's essentially the same thing without the weight of the ring.
    Prusik knots on amsteel would slip under body weight.

  3. #43
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    Ah, makes sense. I'm not an amsteel user yet so don't know its properties.

  4. #44
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    Quote Originally Posted by jaitch View Post
    Why not skip the ring altogether and just use a Prusik knot? Seems like it's essentially the same thing without the weight of the ring.
    I've tried prusiks and Klemheist knots but found they eon't hold up the weight of a hammock. I suppose that if you make a dozen wraps, you will eventually get it to hold, but then you can't adjust it. At least, this has been my experience.
    Last edited by MAD777; 11-18-2012 at 00:24.
    Mike
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  5. #45
    Alamosa's Avatar
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    Quote Originally Posted by jaitch View Post
    Why not skip the ring altogether and just use a Prusik knot? Seems like it's essentially the same thing without the weight of the ring.
    This has a mechanical advantages over a Prusik. Just like a whoopie sling, both ends of the outer line are under tension causing it to constrict on the adjustable buried line going through. The purpose of the ring is to keep the outer line from unwinding and forcing it to constrict when tensioned.

    In a Prusik Knot, the line passing through the knot is under tension and the loops of the knot are wrapped around with tension on one end, but not constricting. The shape of the knot attempts to force a twisting action on the interior line assisting in it gripping the interior line so that it doesn't slip.

    In the case of a suspension where the line is under high tension - resisting the twist - and the amsteel is very slippery a prusik just slips. Ditto for a taut-line hitch.
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  6. #46
    craige's Avatar
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    Properties; VERY strong, super low stretch, easy to splice, very slippery so doesn't hold most knots v.well!

  7. #47
    MDSH's Avatar
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    Quote Originally Posted by docwells7 View Post
    Just curious...there are several items on that page. I assumed you were talking about the aluminum rings, but noticed after ordering a pair that they're not climbing rated. I figure this usage isn't likely to put the kind of breaking force that a pair used with webbing straps would, but has anyone used these aluminum rings for this purpose under an adult load (230lb )? If not, worry not, I'll hang over an air mattress in the basement and see what happens. Just curious if it's been tried yet.
    Thanks,
    Erik
    Stu at whoopieslings.com sells climbing rated descender rings.

    http://shop.whoopieslings.com/SMC-De...ally-81600.htm

    Mike

  8. #48
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    So, do I have this right? The "under" rope simply rides next to the ring, and the part that loops around the under rope and the ring has one end under tension and the other hanging loose?

  9. #49
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    The line is under tension in both directions. One end is pulled by the hammock the other end is pulled by the suspension. The tail is in fact hanging loose.
    Good luck,
    RED

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  10. #50
    Senior Member ibgary's Avatar
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    Quote Originally Posted by MAD777 View Post
    I've tried prusik but found they eon't hold up the weight of a hammock. I suppose that if you make a dozen wraps, you will eventually get it to hold, but then you can't adjust it. At least, this has been my experience.
    Try the klemheist knot instead of the prusik. The klemheist holds and is easier to tie.
    I haven't tried the ars yet. Maybe ill give it a try this week. I'm pretty sold on the ucr and a safety pin. I like it better than the woopie.

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