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The JRB Climbing Method

I use predator rope in a double rope climb and you have to have a biner big enough for the double rope to fit. Sometimes it is a bit of a squeeze to get it all in there,but then it works fine.
 
I use predator rope in a double rope climb and you have to have a biner big enough for the double rope to fit. Sometimes it is a bit of a squeeze to get it all in there,but then it works fine.
I found these. I don't own em but on other sites, found the dimensions and they are wider than anything i have found. Paddle carabiners are designed to be large enough to fit a kayak paddle cylinder. Available in black!

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I found these. I don't own em but on other sites, found the dimensions and they are wider than anything i have found. Paddle carabiners are designed to be large enough to fit a kayak paddle cylinder. Available in black!

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Whoa! those look amazing. I couldn’t find MBS on them.
 
It is quite a feat. I am a Mason and have to move 93# bags of Portland cement fairly regularly. I can tell you I would not want to climb with one. Or do much of anything for that matter.
 
It is quite a feat. I am a Mason and have to move 93# bags of Portland cement fairly regularly. I can tell you I would not want to climb with one. Or do much of anything for that matter.
My father was a stonemason his entire life. And I worked for him as a kid and into my college days. And when I got my first job out of college, he would ask me to come work for him on my vacation days to! After all, he was still taking me hunting. And if I'm not mistaken, the bags are still 94 lbs! And a bag of lime is just 50! Cheers and know that your art and labor is appreciated.

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My father was a stonemason his entire life. And I worked for him as a kid and into my college days. And when I got my first job out of college, he would ask me to come work for him on my vacation days to! After all, he was still taking me hunting. And if I'm not mistaken, the bags are still 94 lbs! And a bag of lime is just 50! Cheers and know that your art and labor is appreciated.

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You are correct,94 pounds. And I buy the lime as well and mix my own masonry cement,that way I have control over the mix.
I enjoy it for the most part,you get to see what you accomplished in a day.
 
Just keeping this thread up to date with the developments on the system. I also added some details on technique.

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@John RB I have my rope and have my two double michocan's, but should I switch to the one with the rappel rings?
It's completely up to you. The JRB Ascender is more complex to tie but easier to grip. So many times, i have put one friction hitch on one half of my system and a different one on the other side to compare. I don't want ya to be intimidated by tying the knots. Tie em over and over until its fluent. Tie a pair of double meech, get used to it, then tie and try the JRBAH. I do prefer it. It jams less too.

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It's completely up to you. The JRB Ascender is more complex to tie but easier to grip. So many times, i have put one friction hitch on one half of my system and a different one on the other side to compare. I don't want ya to be intimidated by tying the knots. Tie em over and over until its fluent. Tie a pair of double meech, get used to it, then tie and try the JRBAH. I do prefer it. It jams less too.

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My main concern is getting the rope past the crotch of a tree...I'm concerned it would get stuck with the ring. what technique do you use to get it past the crotch?
 
My main concern is getting the rope past the crotch of a tree...I'm concerned it would get stuck with the ring. what technique do you use to get it past the crotch?
As long as the crotch isn't a narrow V shape, its never a problem. And you dont need to climb to prove it to yourself and practice technique. Just rig on a tree crotch thats 12 ft from the ground. Did ya watch the latest video where i put my ball cap on the rope and put it through the crotch? As the bulky part is about to enter the crotch, i basically flip it through with a more sudden jerk movement.

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@John RB i just picked up some 8mm Oplux, I’ve been using mammut dry alpine for JRB to date. Anyway, what has been your favorite chord for oplux? I’m leaning toward the TRC 6mm since it’s recommended by Sterling but I have also had luck with 5.5 beal and 5.5 coppa in the past on Samson ultra tech 8mm. Any thoughts?

@Brocky if you have climbed on Oplux, what chord would you recommend as well?
 
@John RB i just picked up some 8mm Oplux, I’ve been using mammut dry alpine for JRB to date. Anyway, what has been your favorite chord for oplux? I’m leaning toward the TRC 6mm since it’s recommended by Sterling but I have also had luck with 5.5 beal and 5.5 coppa in the past on Samson ultra tech 8mm. Any thoughts?

@Brocky if you have climbed on Oplux, what chord would you recommend as well?
He’s said in other posts it’s a yacht racing cord that’s like 6mm and 4K break strength
 
He’s said in other posts it’s a yacht racing cord that’s like 6mm and 4K break strength
That’s the 5.5 Coppa 5000 I’m pretty sure. I’m not sure if that’s his favorite, but I have some of that left over I will try.
 
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