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  1. #11
    Senior Member Thom's Avatar
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    Quote Originally Posted by Michelle the Camper View Post
    Is that one completely separate piece of amsteel passing through another piece? I'm thinking the larkshead is the way you attach to the hammock, but I'm unclear how the other end attaches.
    You have a loop on both ends, so you can hang them the same way you would hang whoopie slings.

  2. #12
    Senior Member Michelle the Camper's Avatar
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    Well, that settles it. I'm gonna have to make some so I can compare, too!

  3. #13
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    If whoopies and UCR's are advantageous because the splicing has minimal impact on cord/rope strength, doesn't the larkshead where it attaches to the hammock defeat this purpose? I've been curious about this and am interested if anybody has any thoughts.

  4. #14
    all secure in sector 7 Shug's Avatar
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    Grizz's video will explain it well.....
    Shug

    Whooooo Buddy)))) All Secure in Sector Seven

  5. #15
    Senior Member XTrekker's Avatar
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    Quote Originally Posted by Mahalo View Post
    If whoopies and UCR's are advantageous because the splicing has minimal impact on cord/rope strength, doesn't the larkshead where it attaches to the hammock defeat this purpose? I've been curious about this and am interested if anybody has any thoughts.
    Part of the reason for splicing Amsteel is because the rope itself has a slick coating on it that sometimes allows knots to slip out. Splicing retains much of the ropes strength plus there is little worry of it slipping out. Until recently, it thought that a knot in Amsteel reduced the strength of the rope by 40% but other studies have debunked this and state that strength in certain knots only reduces strength by 10%. A larks head around a hammock shouldn't even effect the rope IMO because it isnt as tight a bend as a normal knot would be. I has to wrap around the hammock which keeps it from being a tight bend. Same for using a toggle or direct connection to webbing. Basicly a knot on itself is much tighter bend than a bend around a hammock or webbing.

    In response to some previous posts. Here is a quick video on the difference between the Whoopie sling and the Utility Constrictor Rope. Hopefully this will clear things up.


  6. #16
    Senior Member DemostiX's Avatar
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    Quote Originally Posted by Mahalo View Post
    If whoopies and UCR's are advantageous because the splicing has minimal impact on cord/rope strength, doesn't the larkshead where it attaches to the hammock defeat this purpose? I've been curious about this and am interested if anybody has any thoughts.
    No, the larks head doesn't defeat the purpose. Bu, it reduces the "reserve strength", due to its < 5-8 cordage diameters bending radius. But, so does getting in the hammock reduce it; that's why you include a safety margin. <smile>

    I notice that whoopieslings.com (WS) includes metal cordage-eye thimbles in at least one of their suspension designs. Even the big box home improvement stores sell them, and they are cheap. So, you might consider incorporating them in integrated suspension solutions.

    I'll remind that passion/ pressure for weight reduction in the past couple of years took nice fat transition descender rings out of many --all? --recommended suspensions. Put a pair back in yours, and larks heads will have a fat radius that will not compromise strength or abrade cordage. Stu at WS also sells those rings.

  7. #17
    New Member corey's Avatar
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    Here I show how the UCR (Utility Constrictor Rope) works:

    http://www.youtube.com/watch?v=N6r1pSzMNts

    Just tested it 4 nights and it held me safe away from the ground. Just the PP straps let me down one night because I had the loops on the side of the tree.

    .

  8. #18
    Senior Member XTrekker's Avatar
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    Anybody still prefer whoopies?

  9. #19
    Senior Member goobie's Avatar
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    At the moment, I do. I have Dynaglide UCRs on one hammock and find them a bit more finicky, been on my butt a couple times. They seem to take a little more attention when milking the bury. With whoopies I pull em tight, run my hand down the bury and I'm good.

    My BIAS WWM will have Amsteel UCRs, at least to start. I see the benefits of them, less rope,lighter, etc, but as of now I 'm not completely sold on them

  10. #20
    SilvrSurfr's Avatar
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    Quote Originally Posted by Thom View Post
    I've thought about using them. I might make a pair soon just to test them out.
    It's somewhere on my to-do list, another fun thing to splice. I'm not at the point in ultralight backpacking where the difference in weight between whoopie slings and UCRs matters to me. But I may just like UCRs more than whoopies once I give them a try, so I will.

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