Webbing Knotcraft for Single Point Anchors
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- เผยแพร่เมื่อ 1 ก.ค. 2024
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ABOUT THIS VIDEO
The simplest way to rig webbing around a single point anchor, such as a tree, is a single-strand wrap with the tails connected using a rethreaded overhand bend (aka ring bend or water knot). It is always appropriate - except when it is not.
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Thanks! Greetings from Monterrey México
Excellent information. Thank you!
One of my favorite videos. Nice work Rich
Your videos are excellent. Thanks for making them!
This is excellent Rich for beginners as you can keep going back and reminding yourself which is the problem with learning on a one-off course (although obviously people should do both). Thanks
You're welcome. Glad to hear you are getting some value from the videos.
10:36 excellent method / demonstration
Thank you so much!!
Or how about a frost knot tied using doubled webbing? Would provide two rigging points, redundancy, and the overhand would have 6 strands of webbing in it, and so perhaps not as much of a strength reduction as would normally be?
The re-threaded overhand (around the tree) at 4.36. Do you see any advantage or disadvantage to this compared to the choke where you put an overhand on a bite at one end of the webbing, take the long end of webbing around the tree and pass it through the loop of your knot bite and pull to tighten around the tree?
There is a significant strength difference. People will argue that the girth hitch (like you described) is strong enough and that is true for many applications. The challenge is for people to learn how to discern when it isn't good enough.
I don’t know about with webbing, but loaded overhands in rope like to cinch very tightly. Occasionally I put an old biner into the overhand to facilitate untying it later, but my intuition tells me I wouldn’t want to do that in one of these anchors. Are there any tips you have if it’s the case that one needs to be able to retrieve the webbing? Maybe using a wrap three-pull two variation would minimize the tension on the knot?
Is it ever bad to have sinching? When would I use the simple wrap instead of the wrap 2 pull 1?
When securing the carabiner always "screw down" so you don't "screw up"
Hi, can you plese explain why climbers don't use pices of good looking used rope for anchors instead of buying webbing?
I only use old climbing rope for anchors and slings.
strength, most 8mm cord is about 2500 lbs mbs, 1 " webbing is 4000 lbs mbs and webbing is inexpensive too. climbing rope is about 1 dollar a foot,
After the wrap3 pull2 method, the rest are inferior and only complicate the number of methods that are possible with no real benefit. Speed is not a benefit if it has a failure mode that the previous examples did not have or if it is weaker. I'd like to know which situations require speed over safety for rappelling?
Thank you for taking the time to share your opinion.
Why do you bother with a quick link for rap-only anchors? I get that webbing gets 'burned' and weakens when you pull 30m of rope over it, but at that point you're already off rappel..
It is so others can use the webbing and it does not need to be replaced as often. Plus, there is less friction pulling the rope so you are somewhat less likely to get your rope stuck. Plus, there is some rigging (i.e. releasable contingency) that might requiring lowering someone so the rope will be passing through the ring loaded. Obviously that would not be a good idea with the rope directly over the webbing.
@@CanyonsCrags Right, makes sense! I guess for contingency anchors, even if you weren't using a quick link (rope directly through sling), you'd have a temporary biner on the sling for the munter mule or if doing a figure-8 block you'd have the figure eight pressing against a biner that's clipped on the sling (so loaded rope end is on the biner and spare rope which you're feeding out if lowering is running through the sling unloaded)
@@Max-kw4px You cannot rig a block (static or releasable) against webbing without a ring. I can tell you a story about a guy who fell 300 feet to his death because they used a carabiner in place of a ring. He left a wife and two kids behind. Rapides are cheap. Life isn’t.