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  1. #191
    Senior Member Pipsissewa's Avatar
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    Quote Originally Posted by Rockdawg69 View Post
    ...I keep going back to the purpose of a spreader bar is to spread and hold the fabric. The closer the hammock rides against the spreader, the better it keeps the hammock open... .
    Quote Originally Posted by oldgringo View Post
    I *think* a short arc is desirable... .
    Yeah, I agree with OG on this. I think the arc in the fabric created by the dowel is the equivalent of pulling the corners out a little bit from a whipped end. I think the dowel spreading the fabric helps too, but eliminating the arc is not going to be an improvement---I predict. Will be interested in reading about Rockdawg's experiements... .
    "Pips"
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  2. #192
    Rockdawg69's Avatar
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    Okay, so here are the pics of both rigs, one on each end for test purposes. I am using 12-inch amsteel loops thru the bars as they were already available. The end with the holes in the dowel was equi-laterally balanced. The slotted end was not.

    Definitely there must be a locking system to stabilize the bar. Tried the dowel inside the fabric channel - no arc; and outside the channel - with shallow arc. Also tried one dowel with holes and one with end slots. Slotted dowels need deep slots, at least 3/4s of an inch to leave some room on the ends for a locking line. First pic in each set is with no load. Second pic is loaded.

    Test end with the dowel inside the channel was spread full width of the dowel before it slipped. No calf ridge. Test end with dowel outside was tighter on the inside but no noticeable calf ridge. Definitely better than the hammock without a spreader. This being a switchback, you can rotate end-to-end while inside and have about the same lay. So it was easy to get a look at both ends to see what was happening with the different setups.

    Can't remember who had the idea with the slotted dowel but that design using two(2) separate lines with opposing connections to the dowel appears to be a more stable method since the dowel can't slip in either direction.

    Back to the drawing board for me on mini-spreader bars.
    Attached Images Attached Images
    Rockdawg69

    Professional Prevaricator: Part-time dealer in Yarns, Tales, Half-Truths, & Outright Lies -1st half-hour session at no cost (Lawyers and Doctors excepted).

  3. #193
    Rockdawg69's Avatar
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    Quote Originally Posted by MAD777 View Post
    In my one test using NewHanger's method, the fabric stayed about as close as it could get to the bar (touching it) and it stayed spread out over 90% of the loop. My holes were spaced 5" apart and the two lines forming the other two sides of the triangle were also 5", forming an equilateral triangle. The bar did not ride up at all into the triangle.
    I think his method might be the ticket. Also this would allow for quick setup and disconnect. See my test discussion this date.

    In deference to OG, this could be done with holes in the dowel rod so that the amount of wine partaken would have no impact once safely ensconced in the hammock.
    Rockdawg69

    Professional Prevaricator: Part-time dealer in Yarns, Tales, Half-Truths, & Outright Lies -1st half-hour session at no cost (Lawyers and Doctors excepted).

  4. #194
    MAD777's Avatar
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    We all do realize that we need to petition Dutch, when he returns from Sweden, to fabricate titanium dowels for all of us!
    Mike
    "Life is a Project!"

  5. #195
    Knotty's Avatar
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    Been away from the forum for a while (new job) and was hoping something new was happening. Looks like this is it. Hope I can find the time to start experimenting with the rest of you.
    Knotty
    "Don't speak unless it improves the silence." -proverb
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  6. #196
    Redoleary's Avatar
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    Nice work Rockdawg! Thanks for sharing.
    Good luck,
    RED

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    adapted from - ancient gaelic runes

  7. #197
    Rockdawg69's Avatar
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    Quote Originally Posted by Redoleary View Post
    Nice work Rockdawg! Thanks for sharing.
    Afraid there is more to do. Thanks for making us think!!!!!!!!!
    Rockdawg69

    Professional Prevaricator: Part-time dealer in Yarns, Tales, Half-Truths, & Outright Lies -1st half-hour session at no cost (Lawyers and Doctors excepted).

  8. #198
    ^shane^'s Avatar
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    Quote Originally Posted by oldgringo View Post
    I have had a lot of wine...compensate accordingly.
    Like Knotty, I've been away for a while too... and have fought through this whole thread this evening... and I find myself wondering "Can this really make a Switchback better?" Really? Guess there is something else to try.

    Dave, I did enjoy the quote though...
    "One of the best things you can do in this world is take a nap in the woods." ~ Jayber Crow by Wendell Berry

    "While it may be a lot of work, the view is best from the summit." ~ an anonymous staff member of Philmont Scout Ranch

    Enjoy the day
    Shane

  9. #199
    Loki's Avatar
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    Quote Originally Posted by MAD777 View Post
    We all do realize that we need to petition Dutch, when he returns from Sweden, to fabricate titanium dowels for all of us!
    Yes Yes! Dutch-Dowels?
    - Loki,

    "Climb the mountains and get their good tidings.
    Nature's peace will flow into you as sunshine flows into trees.
    The winds will blow their own freshness into you, and the storms their energy,
    while cares will drop away from you like the leaves of Autumn."
    John Muir

  10. #200
    in it for the naps oldgringo's Avatar
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    Quote Originally Posted by MAD777 View Post
    We all do realize that we need to petition Dutch, when he returns from Sweden, to fabricate titanium dowels for all of us!
    I looked at this. Aluminum tubing may be a better choice, even if cost were no object. I'll be sniffing around to see what I can find.
    Dave

    http://www.uark.edu/misc/xtimber/rna/pattonsbluff.html

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    John Steinbeck

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