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Which 7mm/8mm cordage for prusik?
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tpcollins


Dec 24, 2016, 4:23 AM
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Registered: Aug 21, 2012
Posts: 27

Which 7mm/8mm cordage for prusik?
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I'm leaning towards a polyester sheath but trying to sort out the claims from manufactures is a bit tough, so for actual users I'd like to know what works best.

Some of the cordage I see at REI seems a bit stiffer than they should be. Thanks.


chris


Feb 6, 2017, 12:18 PM
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Registered: Feb 4, 2003
Posts: 97

Re: [tpcollins] Which 7mm/8mm cordage for prusik? [In reply to]
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FWIW, I actually prefer the softer-handling cords over stiffer brands. They're easier to tie and seem to more readily "grab" the rope, especially smaller diameters.

Keep in mind its recommended to have a 3mm difference between your friction hitch and the rope its attached to for optimal "grab". Since my cragging rope is 10mm, I typically don't use anything greater than 7mm (2800lbs / 12kN). But my alpine ropes are 9mm, so I usually use 6mm (2000lbs / 9kN), and will even use 5mm (1200lbs / 5kN) on 8mm rando or glacier ropes to get that difference. Since friction hitches aren't intended to be dynamically loaded, I think this is appropriate.


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