does a structural ridge line create more pressure on the tree straps?

[WV]

We've been using the term "hang angle" in a couple of ways. I think of it the way wagex does, but I usually specify "hammock hang angle" as opposed to "the angle of the main suspension line to the tree." It's a bother to have to describe it so carefully, but I don't recall any clear definitions anywhere. Youngblood was the first person I encountered who understood and described hammock suspensions with any precision (possibly the only person to have done so), but that was some time ago, and I may be misremembering the terms he used. HYOH and keep talking to each other.

[TominMN]

We've been using the term "hang angle" in a couple of ways. I think of it the way wagex does, but I usually specify "hammock hang angle" as opposed to "the angle of the main suspension line to the tree." It's a bother to have to describe it so carefully, but I don't recall any clear definitions anywhere. Youngblood was the first person I encountered who understood and described hammock suspensions with any precision (possibly the only person to have done so), but that was some time ago, and I may be misremembering the terms he used. HYOH and keep talking to each other.

Hard to think of "hang angle" being anything different than the angle of the suspension from the tree to the attachment point on the hammock. The SRL, if there is one, will dictate the sag of the hammock from end to end if the hang angle is too shallow, obviously with added stress on the SRL, but it won't change the angle of the suspension.

[trhang]

We've been using the term "hang angle" in a couple of ways.

Agreed. I should not have suggested that there is an agreed definition of "hang angle" that refers to the angle between the suspension and the tree. My only intention was to point out that the imprecise use of this term to refer to different things creates confusion and makes it hard to have a coherent conversation of these angles and their effect on the physics of hammocking. My sense is that "hang angle" is a term that was coined before structural ridgelines became popular. So originally there only was one angle, since without a structural ridgeline the hammock sag and the angle of the suspension leaving the tree are one and the same. When discussing structural ridgelines, however, we have to be more careful, as you suggested, to be clear about which angles we are talking about. I have gotten into the habit of labeling these as the "hang angle" and the "sag angle", but I should not assume that the reader understands what I mean by those terms. Thanks for the reminder.

[MAD777]

Hang angle & your weight are the only two factors determining the stress. The guy in the video who pulled his porch into the pool, had too shallow of a hang angle. This is what I've been warning users of single ridgelines from the start of them.

If you can't reach high enough on the trees to get the proper angle, than you've simply chosen bad trees. Move on!

The 2nd most famous line spoken after, "Hold my beer" is, "we can make this work!"

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[Sspoonless]

No. The ridgeline actually carries very little tension even when seemingly very tight, since most of the tension is in the hammock itself underneath you.

[PDA]

Maybe thisdiagram and table will help:HammockPhysics_original.jpg

[kitsapcowboy]

Also.known as the Third Little Pig Phenomenon. The moral: sticks good, bricks not so much for shear loads...