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TOPIC: Throw line damage to branch

Throw line damage to branch 3 years 6 months ago #136871

I recently started leaving a throw line in a tree in a hackberry tree in my yard. I noticed after about 6 or 8 climbs, that the bark on the anchor branch had been worn away and within that area a groove had been worn about the thickness of the throw line. It looks like to me the throw line is causing the damage. I am using a leather sleeve cambium saver. Are hackberries prone to this sort of damage? Or am I doing something wrong?
:(
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Throw line damage to branch 3 years 6 months ago #136872

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It can occur in any species and is more likely to occur in the upper branches where the bark is younger and thinner. My favorite choice for creating a rope haul line that will be used multiple times on a single tree is "task cord" sold by Knot and Rope Suppy. It's a little thicker than standard parachute cord and is easy on thin bark due to it's wider diameter. Typical throw lines in the 1.75 to 2mm diameter range cut easily into thin bark, ok for a one-time rope setting.
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Throw line damage to branch 3 years 6 months ago #136875

  • Nimbadon
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If you don't have the option of alternating the access crotch then a piece of carpet will protect the cambium
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Throw line damage to branch 3 years 6 months ago #136876

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Nice, excellent solution!
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Throw line damage to branch 3 years 6 months ago #136877

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Thanks;)
Also you can use double sided Velcro to attach the carpet to the tree,
easy to adjust so you don't girdle the branch, and if you want to rest the tree for a while, easily removed.

Actually on that note, be aware of all points of contact you have with a tree regularly climbed,
Where your climbing line rubs the side of branches, scuffing from your feet etc etc.
No mater how careful we are, we do have an impact on the trees we love to climb.

Peace
Adrian
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Throw line damage to branch 3 years 6 months ago #136880

Thanks to you both for taking the time to answer. Those are great suggestions. (I can't tell if you got the thank you message I sent by hitting the button.) One question: when I went to Knot and Rope Supply, I didn't see anything labeled Task Cord. There were several cords thicker than throw line. 4 mm through 8 mm. Which would you use for that purpose?
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Throw line damage to branch 3 years 6 months ago #136881

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The Navigator wrote:
Thanks to you both for taking the time to answer. Those are great suggestions. (I can't tell if you got the thank you message I sent by hitting the button.) One question: when I went to Knot and Rope Supply, I didn't see anything labeled Task Cord. There were several cords thicker than throw line. 4 mm through 8 mm. Which would you use for that purpose?

I'm having problems with their web site right now but I was able to review my past orders, it is "Task Rope" not task cord, my mistake. You can see it listed here:
Miscellaneous Items

I seems to be about 4mm. I just took some out of a tree where it had been for a year, still in great shape.
-AJ
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Throw line damage to branch 3 years 6 months ago #136894

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Hello !

Personally i don't like the carpet version because it's made of plastic, because it doesn't dry well so it can become moldy, because it can avoid the bark to breath through its stomas, because it's made of plastic. Huh allready said that ? Well, plastic is evil.

I prefer a lot hemp canvas. It's easy to dry, not toxic, breathing well, biodegradable, cheap. It does the job, it costs allmost nothing and it's fair to nature.
What could be better ?

Last Edit: 3 years 6 months ago by bradypus.
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Throw line damage to branch 3 years 5 months ago #136931

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I have always thought a cambium saver for throw line would would be a good thing
A small sleeve type relative to the size of throw line that can be set from the ground.

Any ideas?
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Throw line damage to branch 3 years 5 months ago #136933

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bradypus wrote:
Hello !

Personally i don't like the carpet version because it's made of plastic, because it doesn't dry well so it can become moldy, because it can avoid the bark to breath through its stomas, because it's made of plastic. Huh allready said that ? Well, plastic is evil.

I prefer a lot hemp canvas. It's easy to dry, not toxic, breathing well, biodegradable, cheap. It does the job, it costs allmost nothing and it's fair to nature.
What could be better ?



Plastic is evil ?????... Those don't look like hemp ropes to me :P
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Throw line damage to branch 3 years 5 months ago #136943

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You're right and that is a huge frustration to me. Our ropes are pollution for sure.

But that doesn't mean that plastic is not bad and that we shouldn't avoid it as soon as we can.
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Throw line damage to branch 3 years 5 months ago #136949

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The Navigator wrote:
I recently started leaving a throw line ......throw line is causing the damage. I am using a leather sleeve cambium saver....
:(
You are leaving the leather sleeve in the tree and the throw line is causing damage to the tree through the leather???
I have a few of my favorite places and find leaving the leather saver in the tree with the throw line works very well, the throw line/climb line pulls thru it easily and the shape of leather saver keeps everything in place, there is less actual contact with the tree to effect the bark.
I like leaving the access line there and although I need practice with my throw bag and almost always untie the bag when pulling my throw line back after a bad toss to protect the tree, the leather works best for my favorite place to go.
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