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  1. #21
    Moderator raiffnuke's Avatar
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  2. #22
    dragon360's Avatar
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    Quote Originally Posted by raiffnuke View Post
    Not too sure that'll give you the proper 30 degrees!
    The key to immortality is first living a life worth remembering. - St. Augustine

    Some people feel the rain. Others just get wet.
    - Bob Marley

  3. #23
    JaxHiker's Avatar
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    I'm officially freaked out now.
    JaxHiker aka Kudzu - WFA
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    Blazing Trails with Kudzu @ www.idratherbehiking.com
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  4. #24
    HangingKayaker's Avatar
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    Quote Originally Posted by oldgringo View Post
    Hold your hand up like you are shooting a pistol. The angle formed between your index finger and an imaginary line between the tip of the index finger and the tip of the thumb is ~30 degrees. Unless you're Uma Thurman.
    Should the thumb be in the cocked position?? Just kidding, but a great way to check the general angle of the hang.

  5. #25
    New Member Dogstar's Avatar
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    This is a great method that hadn't occured to me, thanks for sharing!

    Also, glad i'm not the only one who noticed Uma Therman's thumbs! It's been freaking me out for years. That and Angelina Jolie's knees.

    "Nothing travels faster than the speed of light with the possible exception of bad news, which obeys its own special laws." ~ Douglas Adams

  6. #26
    Member crazy_dave's Avatar
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    Quote Originally Posted by gmcttr View Post
    Close, but you need to turn it over like this...
    Wait, Which way is it, Hand up or down?
    If you obey all the rules, you miss all the fun.
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  7. #27
    Moderator
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    Quote Originally Posted by crazy_dave View Post
    Wait, Which way is it, Hand up or down?
    On the off chance you're not joking...either way works fine.

  8. #28
    Senior Member TiredFeet's Avatar
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    Asked TeeDee about this and he said not to get hung up trying to get the 30 degree sag angle.

    But if you want, there is a very easy method for determining when you have a 30 degree sag angle.

    Take a look at this image he calls a 30-60-90 triangle (that's the magnitude of the 3 angles, a being the 30 degree angle):



    With a a 30 degree angle, side o is exactly 1/2 of of side h.

    So measure and mark a known length on your suspension, say 6". On the upper mark, the mark furtherest from the hammock, tie a string and mark the length that is exactly 1/2 of the first length, say 3". Tie a weight on the end of the string, say a nut.

    When you hang your hammock, if the imaginary line joining the two end marks is level, then you have a 30 degree sag. You can eye ball to see if the joining line is level, or you can get more accurate and use a carpenters level.

    As he said, don't get too concerned about trying to get exactly 30 degrees, but then if you're laying in the hammock thinking about it, it might be a good way to go to sleep, Probably better than counting sheep.

  9. #29
    in it for the naps oldgringo's Avatar
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    The 30-60-90 degree triangle is a draftsman's tool, or was, when there were still draftsmen. Once you've used one for a semester , the 30 degree angle is intuitive.
    Dave

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  10. #30
    BrianWillan's Avatar
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    Quote Originally Posted by TiredFeet View Post
    Asked TeeDee about this and he said not to get hung up trying to get the 30 degree sag angle.

    But if you want, there is a very easy method for determining when you have a 30 degree sag angle.
    While that is a rather precise method it requires more work than I'm will to put into it while out in the piney woods. When I first started hanging last year, I built an inclinometer that worked based on a plumb bob. I took a small piece of 1/4" plywood and used a protractor to mark out a vertex and 10 degree angle increments along the semi circle. I drilled holes at each point. I threaded a loop of string through the vertex point. To use it I attach a small carabiner to the loop and hold the reference edge with the vertex to the suspension and read the angle off the scale. It's simple, low tech, zero cost and weighs next to nothing.

    Although in retrospect, I really like oldgringo's thumb and index finger method.

    Cheers

    Brian

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