# Why did my suspension go slack in the night?

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• 11-18-2012, 12:37
spandit
Why did my suspension go slack in the night?
I tied it to two perfectly vertical trees before I went to bed:

http://i277.photobucket.com/albums/k...1D0A5961AC.jpg
• 11-18-2012, 12:39
spaceweaseal
Quote:

Originally Posted by spandit
I tied it to two perfectly vertical trees before I went to bed:

http://i277.photobucket.com/albums/k...1D0A5961AC.jpg

Looks like you got lucky:eek:
• 11-18-2012, 12:46
spandit
Quote:

Originally Posted by spaceweaseal
Looks like you got lucky:eek:

Actually had the best night's sleep to date. Got down to 2°C (35°F)
• 11-18-2012, 12:52
This is what I keep warning folks that are rigging up Single Line Suspensions (SLS) and pulling them as tight as piano wire! Trees are NOT inanimate objects; they move when force is applied. Indeed you were lucky!

KEEP THOSE ANGLES NEAR 30* FOLKS!!!!
• 11-18-2012, 13:21
spandit
The roots were being pulled out of the ground - tree wasn't dead but earth was wet
• 11-18-2012, 13:25
dammfast
it looks like your suspension was very tight, looks like your angle was 10 degees or so this actually multiplies the force of your weight by more than double. If your angle is closer to the 30 degree angle the force on the tree nears your body weight. Good idea to try to get that 30 degree angle as often as possible.
• 11-18-2012, 13:48
spandit
Quote:

Originally Posted by dammfast
it looks like your suspension was very tight, looks like your angle was 10 degees or so this actually multiplies the force of your weight by more than double. If your angle is closer to the 30 degree angle the force on the tree nears your body weight. Good idea to try to get that 30 degree angle as often as possible.

It's difficult to see but there is a separate ridgeline underneath the tarp that might make it look that way. The hammock suspension was at 30°
• 11-18-2012, 14:17
Quote:

Originally Posted by spandit
It's difficult to see but there is a separate ridgeline underneath the tarp that might make it look that way. The hammock suspension was at 30°

Which reinforces my warning that much more!
If 30* can have this result, imagine what 10* can do.
• 11-18-2012, 14:42
old4hats
If the ground being wet and the suspension was at 30*, then when in wet terrain go for larger trees, not smaller, more roots and wider roots means more stable, or should.
• 11-18-2012, 15:52
spandit
I'll definitely pick a larger tree next time but this one looked strong enough and a tree surgeon that was at the hang didn't see anything wrong with that particular tree.

By the way, this wasn't a genuine question, it was just an amusing way to show you what happened and perhaps alert others to the potential hazards out there
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