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  1. #1
    Senior Member gordonfreeman's Avatar
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    SLS and load questions

    The SLS has more compression force due to it's nature yes? OR is it similar since the hammock hangs 30o angle off the main line?
    Last edited by gordonfreeman; 10-18-2012 at 07:33.

  2. #2
    Senior Member MDSH's Avatar
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    The turtle-type stand requires a rigid member between the towers.

    Mike

  3. #3
    olddog's Avatar
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    Little confused by the question. The SLS (single line suspension) is used for hanging between trees and it's primary advantage is that the tarp and hammock are both hung from a single suspension. The standard hammock setup will have seperate suspensions for the tarp and hammock. Since the hammock on a TLS or TDS is suspended from the toprail just having trouble understanding how or where the SLS would be used. Could you elaborate please?
    Most of us end up poorer here but richer for being here. Olddog, Fulltime hammocker, 365 nights a year.

  4. #4
    Senior Member gordonfreeman's Avatar
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    Disregard, your right I won't attach my woopies in the center like I do now, I'll just use the loops through the channel. Over thinking it..

  5. #5
    Senior Member gordonfreeman's Avatar
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    The question though was in reference to the increased compression exerted when you use an sls over a normal hang angle. Hanging with a 0 degree combination ridge line and hanging a hammock 30 degrees off that is still more than normal suspensions right?

  6. #6
    Senior Member MDSH's Avatar
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    Well, it's not compression; it's tension. But I may understand what you're asking.

    Have you seen this? http://theultimatehang.com/hammock-hang-calculator.html It has a 5* variable that would approximate a SLS.

    If one strung a hammock from loops on a taut SLS (5*) and kept the angle to the hammock at 30* then you can use normal whoopies and SRL because the SLS is bearing the weight.

    But as soon as the angle on the whoopies get shallower than 30*, say 25* or 15*, as I did in the park last week, tension travels to the whoopies and SRL. My SRL was really singing so I shut it down and went back to the drawing board.

    Mike

  7. #7
    Senior Member gordonfreeman's Avatar
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    So cranking the srl to 0 degrees and placing the loops at a30 degree should still be just above the weight of the load? I guess that makes sense as the hammock pulls tension in the loops it pulls tension on the ends of the srl and Compresses the center "ridgeline" portion in the center. It isn't magnifying the load like a true 0 degree hang would.

  8. #8
    Senior Member gordonfreeman's Avatar
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    Fail phone voice typing...

  9. #9

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    Quote Originally Posted by gordonfreeman View Post
    ...It isn't magnifying the load like a true 0 degree hang would.
    I don't know the answer, but it seems to me that the mathematics would be the same for the forces in a SLS as it is in the suspension without a SLS. In other words...the flatter the SLS is when weighted, the greater the tension would be.

    Bring on the mathematicians and engineers!

  10. #10
    Senior Member MDSH's Avatar
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    Okay, Gordon, in a conventional turtle stand the rigid member between the towers *compresses* to prevent the towers from falling inward when the hammock is loaded.

    In a conventional SLS there are no compressive forces. The SLS is under *tension* when loaded. One can hang from fixed loops as if those loops are trees.

    All the regular rules apply below the fixed loops, which is what makes Bear's and olddog's system so nice and simple. They have no SRL because the SLS is it. The SLS is the tarp ridge line, structurl ridge line, and suspension (replacing whoopies or straps).

    So, to answer your original question: The nature of the conventional SLS system is *both.*

    Mike

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