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  1. #1
    stevebo's Avatar
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    my locked brummel failed!

    Hey guys, I tried something new the other day, with really bad results----I made a locked brummel on one end of a whoopie sling for my new bridge hammock-----to save a few inches, i made the bury end really short---like only an inch. Anyway, it looked good, and seemed secure until I laid down in the hammock---next thing I know, Im laying on the ground! i didnt get hurt, and the hammock wasnt damaged, but it could have been bad. After looking at the locked brummel, I realized that with such a short bury, the amsteel frayed/unbraided it self and unraveled the knot/splice. So the moral of the story is......dont do that!
    “The two most common elements in the universe are hydrogen and stupidity.”
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  2. #2
    Moderator raiffnuke's Avatar
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    I am glad that you are alright! Thanks for the destructive testing, good info to know.

  3. #3
    Michelle the Camper's Avatar
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    Yeah, thanks for the warning

  4. #4
    Senior Member Les Rust's Avatar
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    Glad you're ok. Makes me want to check my whoopies again!

  5. #5
    Senior Member dammfast's Avatar
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    shows you how "slippery" amsteel is, my understanding is that most of a locked brummels strength is supposed to come from the lock.
    Dammfast

    “Never argue with stupid people, they will drag you down to their level and then beat you with experience.”

    ― Mark Twain

  6. #6
    DivaB's Avatar
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    Glad your ok, but thanks for the field test

  7. #7
    New Member
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    Thanks for the heads up. Info like this makes life safer for us new guys

  8. #8
    Member
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    Curious - how long did it hold? Was there swaying involved?
    This was brought up in an earlier thread, how much bury do you need in a whopping. Obviously 1 inch isn't enough. But is 3? 5?

  9. #9

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    makes me wonder about my whoopies

  10. #10
    Senior Member Roe Ring's Avatar
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    Quote Originally Posted by dammfast View Post
    shows you how "slippery" amsteel is, my understanding is that most of a locked brummels strength is supposed to come from the lock.
    This was my understanding too. I have even bought items from well established vendors with short buries on locked brummels. The lock fails by parting the amsteel fibres along the length of the bury, as has happened in this case. The bury has to be long enough to withstand this splitting force. It's not a traditional pulling force you would get with a straight brummel such as a continuous loop, but it's similar. I dont know whether or not a slightly shorter bury can be trusted, but for reference, my whoopies have locked brummels with 2" bury + 1" tapers. So far they have carried 200lb without problem. For the sake of an extra couple of inches, I would make them with a decent bury in future.

    Glad the OP didn't have any injuries.

    Atb

    Mark

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