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What's the point of having such a highly rated rope for your main line if at the end of the day your tied in with a 3/8 prusik?

raisins

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Not to be a stick in the mud, but I have to disagree. The prusik is doubled in the hitch but where the Biner hooks, it's only a single rope?? Am I wrong?
if a loop like this, it isn't quite twice the strength, if i recall

however, if you tie each cord end to the biner via scaffold knots or sewn eyes, then it is 2 independent strands
 

Newb2hanging

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If you like 2 bridges, fixed or not, run it. It's not a bad idea. It's more rope/line to manage but if that's ok with you, run it. I don't know what situation you could regret having a second bridge in... It allows redundancy in any sort of transfer. If you find your sweet spot on bridge length it's potentially less fiddle factor. In an emergency situation you have a safe second option to hang on...

All respect for @gcr0003, @Fl Canopy Stalker and @raisins , they're not wrong. In fact they're very knowledgeable and helpful!
i've been watching a bit of the ny saddlehunters stuff and one of the guys on there has it setup like this. seems like it works good and i think ill be more comfortable switching to a tether once i get to height. seems like the safest way would be to just have two brides so im never not tied to the mainline or the tether.
 

raisins

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I think im following what your saying, but could you provide a picture or video about clipping into the main tether? Appreciate the advice!
yep, i might have to edit if when i publish this is wonky

imagine the tree is above and out of site....that end of the tether is attached, and i'm focusing on the 'biner and friction hitch (i'm using a distel hitch here)

this is with a figure 8 on a bight tied at the end of your tether and clipped to your 'biner, you should see that if the thinner cords break then this loop still catches on your 'biner which is holding your bridge.....in this configuration you would fall a few feet though before that loop caught you

IMG_6577.gif

here i'm showing how when at height you can double over that slack in your mainline between friction hitch (prusik, etc) and loop clipped on 'biner.....if you double it over like that then you can tie knots shown next...doubled over stuff you'll tie with is to the right

IMG_6579.gif

here's just 2 simple overhands tied in that doubled over slack....this is not the best knot to use....but it is quick and easy....i would do this for 2 reasons 1. take up slack for the sake of not having extra tether flipping around and 2. so that if my friction hitch fails then the amount of slack i have to fall before the figure 8 on a bight grabs me is less....less slack is good

IMG_6578.gif

here's where you can tie another loop in that slack and then clip it to your 'biner...this is accomplishing the same thing as that end loop i talked about in first photo....but it is just making a closer one

i used a simple overhand for demonstration here, but if i was serious about that method, then i would practice and use an alpine butterfly
IMG_6580.gif
 

Horn

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To clarify. I don't think tying into a single bridge twice, then unhooking one is unsafe. But being on one, tying into another before unhooking the first is a little redundant and redundant is usually safer.
 

raisins

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i've been watching a bit of the ny saddlehunters stuff and one of the guys on there has it setup like this. seems like it works good and i think ill be more comfortable switching to a tether once i get to height. seems like the safest way would be to just have two brides so im never not tied to the mainline or the tether.

if you are clipped in to one rope, why can't you just throw the tether around the tree, clip to it, so now you are clipped to 2 things, and then unclip either carabiner you now no longer need?

i don't do rope climbing....i'm just a sticks and steps guy.....so i'm just spitballing here....maybe i'm missing something?
 

Fl Canopy Stalker

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Not to be a stick in the mud, but I have to disagree. The prusik is doubled in the hitch but where the Biner hooks, it's only a single rope?? Am I wrong?
Yes you’re wrong. It’s a u shape in a diameter that is wider than the rope. Look up rigging and “basket configuration” that’s the same principle as where the cord attaches to the biner
 

Horn

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if you are clipped in to one rope, why can't you just throw the tether around the tree, clip to it, so now you are clipped to 2 things, and then unclip either carabiner you now no longer need?

i don't do rope climbing....i'm just a sticks and steps guy.....so i'm just spitballing here....maybe i'm missing something?
I think you and I are slightly misunderstanding each other. I did have two bridges in mind originally. I see what you're saying now. And I wholeheartedly agree
 

raisins

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I think you and I are slightly misunderstanding each other. I did have two bridges in mind originally. I see what you're saying now. And I wholeheartedly agree
just to be sure i'm not being confusing.....if you have 1 bridge but 2 tethers or 2 carabiners...then you never have to be unclipped to change between the 2....just make sure that any transition starts with both biners clipped to your 1 bridge and then unclip either one
 

raisins

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Yes you’re wrong. It’s a u shape in a diameter that is wider than the rope. Look up rigging and “basket configuration” that’s the same principle as where the cord attaches to the biner
is it true that 2 independent lines are somewhat stronger than 1 loop?
 

Horn

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just to be sure i'm not being confusing.....if you have 1 bridge but 2 tethers or 2 carabiners...then you never have to be unclipped to change between the 2....just make sure that any transition starts with both biners clipped to your 1 bridge and then unclip either one
Agreed! Sorry OP, hopefully our dialogue was useful.
 

Blacksmith

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Yes you’re wrong. It’s a u shape in a diameter that is wider than the rope. Look up rigging and “basket configuration” that’s the same principle as where the cord attaches to the biner
I see. My prusik is not a sewn eye but a continuous loop through the hitch and the biner snapped into the loop.
 

Fl Canopy Stalker

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is it true that 2 independent lines are somewhat stronger than 1 loop?
Yes 2 individual legs are stronger than one looped leg (1.5 x for a loop verses 1.75 to 2 for double strand) as long as the individual legs are close to straight. If they come off on a hard angle they are not stronger.
 

Newb2hanging

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if a loop like this, it isn't quite twice the strength, if i recall

however, if you tie each cord end to the biner via scaffold knots or sewn eyes, then it is 2 independent strands
hmm, is there a method to tie a prusik doubled up essentially? Not sure how i could incorporate a scaffold knot into the gear i have at the moment and still be able to adjust on the fly. suppose i could just find the lengths i like and ditch the prusik on the bridge, but that would still leave one where i tie into the tether.
 

Newb2hanging

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you gotta describe that more, i could only guess what you mean
uhhh, well like essentially the weak point of it is that you're clipping in to one strand, right? I was wondering if there is a way to double it up somehow so that you are clipping into two strands?
 

raisins

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uhhh, well like essentially the weak point of it is that you're clipping in to one strand, right? I was wondering if there is a way to double it up somehow so that you are clipping into two strands?

absolutely......you should be able to see how you could take a rope, double it over but don't tie a loop, and then put this rope on a mainline and forming a prusik (or other friction hitch)......you now have a prusik with 2 free ends hanging off....take each of these ends and tie them to your carabiner using a scaffold knot


if you look in my other pics up top, you'll see that my hitch cord ends are joined to my carabiner using scaffold knots....then i have the cord tied in a distel hitch.....there are many knots that do what a prusik does but they aren't tied the same
 

Vtbow

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uhhh, well like essentially the weak point of it is that you're clipping in to one strand, right? I was wondering if there is a way to double it up somehow so that you are clipping into two strands?
Sorry man, you need to get with someone in person and do some hands on work....you really want to support your life on something you started a question about with "uhhh..."

Or use a standard system designed and sold by someone like trophylone...
 

raisins

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absolutely......you should be able to see how you could take a rope, double it over but don't tie a loop, and then put this rope on a mainline and forming a prusik (or other friction hitch)......you now have a prusik with 2 free ends hanging off....take each of these ends and tie them to your carabiner using a scaffold knot


if you look in my other pics up top, you'll see that my hitch cord ends are joined to my carabiner using scaffold knots....then i have the cord tied in a distel hitch.....there are many knots that do what a prusik does but they aren't tied the same
a scaffold knot is circled

IMG_6578.png
 
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