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  1. #1
    MedicineMan's Avatar
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    Single ring suspension interest die off?

    Seems that thread lost luster....success stories in the field ?
    In the lab we had success with the hard edged Dutch Biner....not with a smooth aluminum descender ring.
    At this point I love the 'metalic' whoopie but for reliability it seems like longevity of the whoopie is given up---how much is hard to tell BUT I've been replacing whoopies that are used regularly at least yearly, so in the end it may be a moot point.
    Stories? Thoughts?
    Last edited by MedicineMan; 12-11-2012 at 05:34.

  2. #2

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    I followed that thread closely and I've played with both the SRS and whoopies in the lab - and if I ever convert from web and buckles it will be to the SRS. But for the small weight difference and the addition of extra components I just can't bring myself to give up the web and buckles yet.

  3. #3
    Knotty's Avatar
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    Here's the single ring suspension thread for reference.

    I tried it last night, in my basement, using SMC descender rings. Had no slips but that doesn't mean I'd trust my spine to it in the field just yet. Would be nice if someone could do some load testing.

    My concern is that this system puts compression loads onto the Amsteel much like a knot and we know that Amsteel (Dyneema) doesn't do well with compression. Think about it, the bury in a whoopie or eye splice is several inches long, so the load is well dispersed. With the single line ring suspension the wraps cross the straight line three times, so the load is only distributed over 3 x 7/64", which is less than 1/3".
    Knotty
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  4. #4
    Senior Member dammfast's Avatar
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    Is there damage to the whoopies that are degrading the fibers? Could you show us a picture?
    Dammfast

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    ― Mark Twain

  5. #5
    but enough about me hppyfngy's Avatar
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    Quote Originally Posted by Knotty View Post
    My concern is that this system puts compression loads onto the Amsteel much like a knot and we know that Amsteel (Dyneema) doesn't do well with compression. Think about it, the bury in a whoopie or eye splice is several inches long, so the load is well dispersed. With the single line ring suspension the wraps cross the straight line three times, so the load is only distributed over 3 x 7/64", which is less than 1/3".
    This ^ is why I didn't go far with the SRS idea. It's a cool idea, but I'm satisfied so far either using whoopies, dispersing the load, or webbing and buckles/rings.

    It's a neat idea to have in your bag of tricks though. Could come in handy!
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  6. #6
    Dos's Avatar
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    Quote Originally Posted by dammfast View Post
    Is there damage to the whoopies that are degrading the fibers? Could you show us a picture?
    I would like to see this as well

    having finished my thru hike this year using my whoopies every single night
    for nearly 6 months minus the 2 -3 x a month in a hostel.
    My whoopies saw some wear, but no frazzle whatsoever.

    and if there was, making another set for like $15 would be , what I would consider, normal gear replacement after such usage. Heck. Osprey exchanged my pack for free with their great warranty, but I am SURE I could have gotten another 1000 mile or so out of it.

    some cuben fabrics were another matter.... Need replacing more often,
    ~~~~~~~~~~~~
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    seemed to me to be static things.
    In physical terms, I move through them;
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    they seem to move through me. -
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  7. #7
    Knotty's Avatar
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    Quote Originally Posted by dammfast View Post
    Is there damage to the whoopies that are degrading the fibers? Could you show us a picture?
    Not sure if your question is in response to what I wrote? What I'm saying is that whoopies and eye splices do a nice job of properly dispersing the compression load, so they don't damage the Amsteel. Knots, etc., concentrate loads and can cause problems with this type of line.
    Knotty
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  8. #8
    Senior Member dammfast's Avatar
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    No, that was in response to MedicineMan's comment about replacing year old whoopies.
    Dammfast

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  9. #9
    Acer's Avatar
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    I have used it last four nites in the house on my hammock and love the ease of it, and the fact that I can take it all the way to the dutch beiner of the hammock suspension for closeness and 3 wraps works great for me. I dig this setup and have installed it on the wife's hammock as well using SMC Descending Rings from Whoopies.com that I had in a box for the past couple of years. Weight is 11g. each.

  10. #10
    Loki's Avatar
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    Quote Originally Posted by MedicineMan View Post
    Seems that thread lost luster....success stories in the field ?
    In the lab we had success with the hard edged Dutch Biner....not with a smooth aluminum descender ring.
    At this point I love the 'metalic' whoopie but for reliability it seems like longevity of the whoopie is given up---how much is hard to tell BUT I've been replacing whoopies that are used regularly at least yearly, so in the end it may be a moot point.
    Stories? Thoughts?
    Looks like GrizzlyAdams (Professor Hammock on YouTube) will soon be producing a video on the SRS, Single Ring Suspension. YEA!

    http://www.hammockforums.net/forum/s...&postcount=115
    Last edited by Loki; 12-14-2012 at 11:52.
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