Cranky at redirect

C

climberizer

I've been using a revolver redirect without much luck, it still seams to have heaps of friction.

first question do you guys wrap it around the branch to stop it moving around?

Second question what other options are there?
 
If you're on a 2:1 friction hitch system or even a 2:1 mechanical based system system it does not lend itself to redirects, or lacing over limbs. It's one of those annoying features of having a giant loop out above you. As you ascend (closing the loop) or descend (open the loop), above you are two parallel lines, one is in motion opposite the other. There is friction at the tie-in point, minimized with the installation of some form of friction saver.

Redirects, however. simply takes a section of that loop above you into a caribiner and you choker a sling to where you want your new anchor point, biner the rope into it and you have a new tie-in point right near where you're working. However, the up-rope and the down-rope that work in opposition to each other multiply their frictional forces upon one another and create a drag that's sufficient enough to prevent the positioning advantage you're seeking.


Fabulous method for work positioning and safety. Not really an option in 2:1 climbing. Redirects are a 1:1 twin line or 1:1 SRT thing.
 
The best redirect, for climbing, is simply two independent pulleys. One pulley designated for each leg of the rope. The revolver would be for short distances to redirect, IMO. Otherwise, it is a very frustrating experience with the ammount of friction.

I find that it is more simple ask a groundsman to send up an extra rope.
smirk.gif
 
Also, Revolvers were really developed for use on smaller diameter ropes more to guide/route dynamic rope up a route.

The roller is quite small, and that lends to inefficiency; it is a bushing type bearing - that also increases inefficiency. Often, at least in my experience, the larger ropes can easily slide off the roller and come in contact with the frame.

Essentially, a pulley it isn't.
 
[ QUOTE ]
Essentially, a pulley it isn't.


ron you sounded like yoda at the end of that post.

[/ QUOTE ]
LOL - it does kinda read like Yodese doesn't it.
 
[ QUOTE ]
I've been using a revolver redirect without much luck, it still seams to have heaps of friction.

first question do you guys wrap it around the branch to stop it moving around?

Second question what other options are there?

[/ QUOTE ]

I've had nothing but good luck with the revolver as a re-d on Tachyon.
 
really you should resolve the whole redirect issue completely, go SRT, and use the revolver for better purposes. DDRT brings way too much friction and gear into the system and just complicates things IMO.
 
Petzl's small double sheave micro pulley was specifically designed for re-directs and works great.

Though if its girth hitched around a limb, you can't retrieve it from the ground.
 
The one that Chris linked is the ISC I think. The cheek plates have a different configuration than other double sheave pulleys. The slot where the rope goes through is small so that the ropes don't jump over each other. The biner acts like a tender to make the cross section of the slot more rectangular.
 
Sorry Tom, you're right, I meant the ISC not Petzl double sheave pulley.

I started using this little guy this year for my redirects and at first I was concerned with the ropes jumping over itself, but you're right Tom. Due to the configuration of the cheek plates along with the small slot this isn't a problem.

Since it's an actual pulley and not a biner with rollers, the friction is minimal.
 
Hey Chris,
could you elaborate on how you can retrieve it from the ground. Whats your configuration? I cant see how its possible if your using a FS.

I have one that I use with a webbing sling that I usualy basket hitch around a crotch. Would love to be able to get it off from the ground (or in the tree).

Climberizer, a couple of guys I work with have the ropeman redirect. They like it alot and seem to have confidence in it.
 
Tod Kramer had a really good post here a number of years ago that showed how to get a redirect (using three biners and a micro-pulley) back to the ground.

He had some good pictures too. I'll try to find a link or maybe someone else has it.
 
There's a wealth of info in some old posts. Glad you found it helpful.

I try to save the really good ones to my favorites, but sometimes just surfing through the archives brings up some lost gems.
 
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