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  1. #21
    Senior Member bigred72's Avatar
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    The blackbird ridge line is 101"...as posted on Brandon's website....I just made a new hammock with a whoopie sling for the RL.

    My hammock is 11 feet long. My whoopie sling is 99" to 109" long....I tried it out at 109" first (83% of hammock length) and it didn't feel comfortable enough....I kept adjusting and eventually had it set at 99" which feels great for a diagonal lay.

    I used the camo 1.1 that sclittlefield just sold and made mine a double layer. I am 6'3" and 235 lbs (as reference).

    I think there are some general ranges, but no true one size fits all when you are making custom gear.
    Bigred

  2. #22
    New Member High@HighOutdoors's Avatar
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    Quote Originally Posted by Shug View Post
    That will change depending on your hang in the woods .... tree spacing, angle of suspension to tree and so forth.
    The education goes on a while.....
    In theory your hang shouldnt change much if at all with a structural ridgeline. As long as your structural ridgeline stays the same length between hangs and is taught in your hang, all your hangs in varoius conditions will be the same. Thus the point of the structural ridgeline. Am I wrong?

  3. #23
    MAD777's Avatar
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    Quote Originally Posted by High@HighOutdoors View Post
    In theory your hang shouldnt change much if at all with a structural ridgeline. As long as your structural ridgeline stays the same length between hangs and is taught in your hang, all your hangs in varoius conditions will be the same. Thus the point of the structural ridgeline. Am I wrong?
    You are correct!
    Mike
    "Life is a Project!"

  4. #24
    TheIrishmanHangeth's Avatar
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    I know this is a somewhat older thread but am incorrect in thinking that the 83% length figure corresponds with the 30% sag factor? Or is it a different sag angle?

  5. #25
    Loki's Avatar
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    Good question.

    hammock ridgeline length: start with 83% of hammock's total (stretched flat) length between where the suspension attaches to the hammock. for gathered end is just inside the two whipped areas.

    30* (degree angle) is the optimal angle of the suspension from the tree to the hammock attach-point.

    anyone else chime in ?
    - 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

  6. #26
    TheIrishmanHangeth's Avatar
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    Quote Originally Posted by Loki View Post
    Good question.

    hammock ridgeline length: start with 83% of hammock's total (stretched flat) length between where the suspension attaches to the hammock. for gathered end is just inside the two whipped areas.

    30* (degree angle) is the optimal angle of the suspension from the tree to the hammock attach-point.

    anyone else chime in ?
    Sorry, I think I phrased the question in an odd way. I know what each number by itself represents, but do they go along with each other? The ridgeline is used to keep the same lay angle should the suspension angle not be the same so is that 83% length for the ridgeline supposed to ensure a sag angle of 30 degrees or another angle of lay?

  7. #27
    Loki's Avatar
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    Ahh... I'd say one does not necessarily ensure the other.
    It is possible to have, for example, a correct 98" hammock ridgeline (a SRL at 83%) and if your straps are adjusted too short they can still be at angles less than 30*. If your straps are set too long then they would hang at more than 30* - even though the SRL is still set to 83% of the hammock length.

    This might help. Try entering a few number combinations and see what changes

    http://theultimatehang.com/hammock-hang-calculator/
    - 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

  8. #28
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    Derek's tool is good if you are an iPhone user, for android users search for Hammock tools and there is an app that gives the same results as the ultimate hang guide.

  9. #29
    Loki's Avatar
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    Quote Originally Posted by notquitethere View Post
    Derek's tool is good if you are an iPhone user, for android users search for Hammock tools and there is an app that gives the same results as the ultimate hang guide.

    that link also works on the web in your browser, so you can test before you hit the trail
    - 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. #30
    New Member VT ONETIME's Avatar
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    Hammock structural ridgeline length

    Great thread!

    Side question? I've got an ENO, putting Whoopies in this weekend. Does it matter where the ridgeline connects to suspension in order to achieve the 83%?

    I was going to attach close to gathered end.

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