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• ## Re:hommock rope and ridgeline stresses

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• Dave, What hammock has a structural ridgeline? I have not seen any so far that have ridgelines that add significantly to the force vectors involved in the
Message 1 of 2 , Jan 1, 2006
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Dave,

What hammock has a "structural" ridgeline? I have not seen any so
far that have ridgelines that add significantly to the force vectors
involved in the total hammock.

At 05:47 AM 1/1/2006, hammockcamping@yahoogroups.com wrote:
> Date: Sat, 31 Dec 2005 12:37:00 -0000
> From: "Dave Womble" <dpwomble@...>
>Subject: Re: What is the best hammock rope to use on the AT?
>
>
>Back to integral ridgelines and how it affects this. Integral
>that are parallel to the horizon without an occupant in the hammock
>and the angle of the suspension lines to the horizon is created when
>the hammock is weighted because of stretch(?) and the natural
>realignment of the attachment at the supports (ie trees). The
>integral ridgeline presets the lay of the hammock (I call this the
>sag angle) and it will stay at the same sag angle as long as the
>angle of the hammock suspension lines are less than this preset sag
>angle. The sag angle that most backpackers like for their hammocks
>is around 30 degrees and with a hammock without a structural
>ridgeline the sag angle is the same angle that the hammock suspension
>lines are relative to the horizon. Because of this, hammocks without
>structural ridgelines typically have the occupants weight as its
>static (dynamic can be much higher and is why you don't want to
>bounce around in a hammock) load whereas hammocks with a structural
>ridgeline will have more, it's anybodies guess as to how much more
>but my guess is worse case would be 3 times as much, but I would
>certainly plan on at least twice as much. Hennessy Hammocks are the
>only manufactured backpacking hammocks that I'm aware of that uses an
>integral ridgeline.
>
>That's a mouthful isn't it? What I'm trying to say is that if you
>use an integral ridgeline, you will need 2 to 3 times stronger
>hammock suspension lines and you will put 2 to 3 times more stress on
>the supports you attach it to. Of course this also means you need to
>be 2 to 3 times more careful about damaging the bark of trees.
>
>My rope advice is not for a hammock that is using an integral
>ridgeline, it is for a hammock that doesn't use an integral
• Hennessy Hammocks are the only manufactured backpacking hammocks that I m aware of that uses a structural ridgeline. I believe they refer to it as an integral
Message 1 of 2 , Jan 1, 2006
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Hennessy Hammocks are the only manufactured backpacking hammocks that
I'm aware of that uses a structural ridgeline. I believe they refer
to it as an integral ridgeline in their descriptions. Their's is
both a structural and an integral ridgeline; it sets the sag of the
hammock, it is built into the hammock bed, it also holds the
bugnetting up and their technique is patented. However, some folks
purchased one and I wasn't sure what you have or were planning to
do. There are other hammock manufactures that use non-structural
ridgelines, most of the ones that I'm thinking of are for bugnets or
something of that nature. Sorry to confuse you with this, if you are
not sure what it is you probably aren't using one.

--- In hammockcamping@yahoogroups.com, Greg Welker <gdwelker@v...>
wrote:
>
> Dave,
>
> What hammock has a "structural" ridgeline? I have not seen any so
> far that have ridgelines that add significantly to the force
vectors
> involved in the total hammock.
>
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