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Thread: Sproiiiinnnng!

  1. #1
    Jsaults's Avatar
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    Sproiiiinnnng!

    SPROIIIINNNNNGGGG!!!!!!!!!!

    Hammock suspensions are NOT supposed to make such noises.

    I recently converted my HH Explorer Dlx to web/strap suspension using a long Chain Link and buckles from AHE. This week I received a pair of Dutch Clips from JRB. I was able to get away to my local State Forest to fiddle with the conversion for several hours (interspersed with hammock loafing).

    This was my first use of the Dutch Clips, having used carabiners up till now. I attached the foot end to an 8" tree and the head end to a 24" tree. I set the hammock and settled in. About 5 minutes later, I heard and felt "Sproooiiinnnggg!" and maybe thre or four minute later it happened again.

    While it felt as though I dropped a minute amount, when I exited and checked the system I could find no obvious slippage.

    Hmmmm.

    Back into the hammock, and the scenario repeated itself. This time I cracked open the HH end covers (I have drawstrings in them rather than ty-wraps) and looked for problems. I was not happy with how the Amsteel was tightening around the gather, so I re-wrapped it and added another turn around the fabric.

    Back into the hammock, and "Sprooiing!". But now I was sure that the only sounds came from the head end. Just for experimentation I replaced the Dutch Clips with 'biners, and this time I heard similar, but less worrisome sounds. For another test I replaced the biners with JRB tri-glide buckles. This time there was next to no noise.

    My hypothesis is that the NRS popypro web that I am using is thinner than AHE web, and has more stretch. The wrap around the 24" tree allowed the web to stretch sufficiently to move across the DC, and that is what caused the Sproooiiinnnngg. The wrap of web around the 8" dia tree had little stretch in the system, so it did not contribute much to the problem.

    I think I need to order some thicker web from AHE. All this "SPROINGING" is too reminiscent of Don Martin and Mad Magazine!

    Jim

  2. #2
    Senior Member thekalimist's Avatar
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    i had this happen when i re-whipped my hammock, it seemed to me that it was just all the folds getting balanced. After the first hang it never happened again. i wouldnt worry about it unless it has that sort of 'catastrophic' sound of failure.

  3. #3
    MacEntyre's Avatar
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    Polypropylene doesn't stretch much. If it does, it doesn't recover. At some early point when it does stretch, it 'walks' with a characteristic narrowing... then it breaks.

    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
    www.MollyMacGear.com

  4. #4
    Member Tikki-Tavi's Avatar
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    That Happend to Me

    I had that happen to me a while back. I was using the stock suspension on a Hennessey ULBP. "Sproing" I dropped half an inch. A few minutes later it happened again.

    I was so exhausted I just laid there and thought to my self "if I lay still I can probably sleep a little longer before I fall to the ground"

    I woke the next morning still off the ground and I could not find anything wrong when I examined the suspension, tree huggers or knots.

    Still don't have a clue. (About so many things)

    - Tikki-Tavi
    "Run & find out" - Rudyard Kipling

  5. #5
    canoeski's Avatar
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    I've heard the same after replacing the suspension. Call it "break-in" noise as opposed to "break'n noise".

    I wouldn't have thought that the Dutch Clips could make a noise.

    What you don't want to hear is: "sprOING- crACK!" It negates all the spine- friendly benefits of the hammock in the first place.
    Not all who wander are lost.

  6. #6
    Bubba's Avatar
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    I always hear noises when I first put a new suspension on a hammock. I figure its everything settling in. Let us know if and when you figure it out.

  7. #7
    Spogatz's Avatar
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    Honestly, when I saw the thread title I thought this might be about dating with hammocks…Wink wink......

    I am a sick puppy but I am seeking help…….
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  8. #8
    Senior Member coolkayaker1's Avatar
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    jsaults--very interesting story, esp as I was considering DCs and definitely want to switch out my HH to a strap/web based system. Your hypothesis about the tree strap going buggy near the DC is plausible. I own quite a few lightweight climbing carabiners (.9 ounces each) and at a cost of about $7 each, cheaper than Dutch Clips--or about the same. I don't know that there's much advantage to a DC over a 'biner in the strap around tree scenario, do you (having done both now)?

    Have you ordered from www.strapworks.com I have about 50 feet of 1 inch strap coming, and they'll even stitch loops in it and everything. Check out the website.

    I continue to follow your HH stories, and if you don't completely fall on your tailbone, breaking bones or losing sensation in your feet, I will try your suspension system on my HH. Thanks for guinea-pigging for me. :-)

  9. #9
    Senior Member Bush's Avatar
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    Exclamation Sproing!

    I replaced my HH suspension with whoopies and also experienced some disconcerting noises on my first hang. No problems since "settling in" however and no stretch was noted. May be due to the double hole wrap that HH has which causes more tightening when weighted. It was a little nerve racking that first night however. Hope this eases your fears of falling in the middle of the night...Bush

  10. #10
    Jsaults's Avatar
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    I am beginning to suspect

    that the noises were due to the tightening of the wraps as several of you have suggested.

    BushMedic: Were your HH's sounds almost metallic? If so, we may have solved the mystery.

    Jim

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