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4 votes
1 answer
192 views

Can anyone ID this hitch?

This is something I use around the house, camping, tying down misc truck loads, etc. It’s a quick way to attach a carabiner to a bight, it can take load on the working, standing or both ends, it doesn’...
elkaboom's user avatar
1 vote
1 answer
265 views

What knot should I use to tie the middle of a smaller rope to a large rope?

I have a spool of smaller 3mm rope that has its end attached to a ball. My intention is to use this smaller line as a throwline that gets thrown over a tree branch which is then used to drag a ...
Jimib's user avatar
  • 13
3 votes
1 answer
154 views

Climbing rope diversion, different scenarios

I'm just getting into climbing, and I have to say I still find it hard to trust the equipment, bolts etc sometimes (even though I know accidents with that are really rare.). Anyway, I try to ...
Diclofenac_'s user avatar
5 votes
1 answer
657 views

Belaying/rappelling with a rope thicker than allowed by belay device

I've got an 11mm static rope. Can I use it safely for top-rope belay/rappel with a belay device that is designed for "9.5 - 10.5 mm rope"?.. I actually rappelled three times with no issues ...
Alexander's user avatar
  • 1,770
5 votes
1 answer
656 views

What kind of Rope for a Bosun's Chair

I'm going to make a bosun's chair to lift me 40 ft in the air to a tree platform (with at least a 6' clearance, so closer to 50'). Of course I would like the right type of rope with the right tensile ...
Jesse Yishai's user avatar
6 votes
1 answer
4k views

What are the strongest knot(s) for using on FLAT webbing slings? (joining and bight termination)

I'm trying to make myself a foot-loop that's connected by rope to one's handled-ascender (alongside an opposing-foot's ankle-ascender this allows rapid ascension up a single leg up of rope!) and have ...
user18219's user avatar
1 vote
1 answer
699 views

Climbing-line "rope-thimbles", unsure how to utilize these (got several 1/2" 'steel rope thimbles' with my climb-rope!)

I got some 1/2" steel-thimbles for my climbing-rope but sadly I'm not sure how to safely use them, I'd thought "I can just tie a knot at just the right spot so that the thimble is securely nested in ...
WantToClimb's user avatar
1 vote
1 answer
189 views

Have a couple basic Q's on climbing-line (1 on safely descending/rappelling, another on using multiple lines and/or hardware to achieve "1+1=2"?)

Hoping to ask a couple basic Q's before my order arrives, I suspect I may've gotten insufficient gear.. 1 - Is doubling-up ropes, or hardware, ever acceptable in climbing? IE, my 8mm prusik cord is ...
WantToClimb's user avatar
35 votes
2 answers
7k views

Is there a way to find out the age of climbing ropes?

I have two half ropes from Camp that are basically unused, but are slowly getting old, and I would like to know their age. Is there a way to do that? I know the name of the model: Camp Plekton 8.2mm....
april rain's user avatar
  • 3,482
19 votes
1 answer
1k views

How fast does a climbing rope recover its dynamic properties after a fall?

The defining feature of a climbing rope (arguably) is its dynamic properties, i.e. it stops your fall gradually to decrease the peak force. Not exceeding a fixed peak force is a/the integral criterion ...
imsodin's user avatar
  • 21.7k
17 votes
1 answer
349 views

Can I use SteriGENE broad spectrum disinfectant on abseil rope?

I work in ecologically sensitive areas in NZ and my ropes routinely get soiled. I have been asked by the Dept of Conservation to clean and disinfect my ropes to minimise the chances of accidentally ...
user34581's user avatar
  • 171
20 votes
1 answer
485 views

Compromised Ropes in Retail Stores

Reposting this from a Facebook discussion. It's a picture taken from a retail store where they have attached a pin-tag through the rope to prevent theft; a common practice at this location. My gut ...
Raz Peel's user avatar
  • 2,712
2 votes
1 answer
1k views

Is amsteel blue appropriate for a use as a runner? [duplicate]

Would amsteel blue rope be appropriate for use in anchor building for climbing or mountaineering? I expect it's not very abrasion resistant so it wouldn't be good up against some rock or an edge. But ...
kag0's user avatar
  • 131
12 votes
4 answers
694 views

Can a click-up belay tool cause rope wear?

I am regularly using the Click-Up belay device from Climbing Technologies together with a 40-meters rope from Edelrid I bought recently. Now, after using the two only about 10 times together (always ...
fuenfundachtzig's user avatar
17 votes
3 answers
4k views

Double Mariner Mechanical Advantage

Petzl have a diagram on their website for what they call a Double Mariner. It's identified on the site as having a 7:1 mechanical advantage, but I can only see it as having a 5:1. Can somebody ...
Raz Peel's user avatar
  • 2,712

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