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  1. #11
    Senior Member Hiknhanger's Avatar
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    Quote Originally Posted by WonderMonkey View Post
    Some prices....

    $23.27 = 1-3/8-in x 21-ft Uncoated 17-Gauge Galvanized Steel Top Rail

    Using Hiknhanger's thought I'd need two of those for a total of $46.54. Assume I can get them cheaper somewhere but it's a starting point.

    $19.76 = LDR 1"Dia. x 10'L Black Iron Pipe

    That's not near long enough but Lowe's didn't have that 16'. Still I can see that if I did find a 16' length it will cost about $31.52 if the price per foot held out.

    $9.27 = 2 x 6 x 20 #2 Prime Kiln Dried Southern Yellow Pine

    This is so much cheaper that I'll probably go with it.
    4 of the 10.5 length galvanized rail pieces would only run $35.56 if you are having the same 10% off we are having here locally. Just have to price out the clamps. Or you could get one 21' length and one 10.5, cut the excess from the longer one and join it with the shorter. It sounds like it would maybe just be enough length.

  2. #12
    Senior Member BrianWillan's Avatar
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    Remember the forces along a top beam between your two uprights will be in compression, so I don't think sag will be an issue. The 2x6 should be sufficient for your purpose. Be sure to use the hammock hang calculator to get your suspension height based on your distance between the uprights.

    Cheers

    Brian
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  3. #13
    Senior Member Bradley's Avatar
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    Quote Originally Posted by oldgringo View Post
    Funny thing . . . I was going to figure on trying to find my post . . .

    The 2x4 shouldn't sag and one lonely old nail in the center will stop that, I would think.

    The only reason I put gus-its (sp?) in is because although they are the 2 best girls in the world,

    They are kids, and might treat it with a little more swing Than I might.

    Rock on . . . your plan sound awesome.
    and I personally think there is way to much emphasis put on the stress factor,
    but don't let me convince anyone of lessening the safety factor.
    Bradley SaintJohn
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  4. #14
    Senior Member Redoleary's Avatar
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    Why not two eye-bolts into the ceiling, from which you suspend a pipe with some amsteel etc. Then hang from the pipe, a-la turtlelady stand. Then you could prolly get away with just one 10' pipe.
    Good luck,
    RED

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  5. #15
    Senior Member
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    Quote Originally Posted by Redoleary View Post
    Why not two eye-bolts into the ceiling, from which you suspend a pipe with some amsteel etc. Then hang from the pipe, a-la turtlelady stand. Then you could prolly get away with just one 10' pipe.
    This ceiling would not hold that. We reclaimed this old house/cabin and while I trust it to sleep inside I don't trust it to hook an eye bolt into.
    (WM)===:::

  6. #16
    Senior Member DemostiX's Avatar
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    Look, Ma: No additional framing!!

    I like the plates and sills above (and below) the stud-walls. They're already there, and especially stiff if the rafter intersect them. But, stiff enough, still, if the rafters run parallel.

    Too high, you say, for the distance? Well intersect your suspension lines with another pair pulling the lines downward toward eyebolts/ anchors in the plates at the floor. Those lines will also be pulling the hammock up at the same time.

    Cost, 4 substantial eyebolts, maybe 10 feet of extra cord, and some extra time to adjust the line lengths so the ridge-line is the correct length and so is the height of the hammock from floor with you in it.

    Benefits:
    1. Release one side of the suspension, and recover all floor space.
    2. Also, an opportunity for photos of a setup that may not have been seen here before.
    3. So little lumber showing, it will see as magical as if Shug were performing a new trick.
    4. And Grizzly Adams may ask you to measure the angles or provide the dimensions and lengths of every line segment, and your weight, so he can set a student to calculating the vector forces.

    But, I assure you, there's nothing extraordinary about any of the loads, with the dimensions you have given.

    Another way to visualize this is that you run a strong line between the plates above and below the walls. The line is a little longer than the distance between the plates. Then you attach your hammock to a knot or stopper fixed at the right location of the correct length line. (I didn't say how long "a little longer" was.)
    Last edited by DemostiX; 08-23-2012 at 10:06. Reason: definition and link to "plates"

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