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Thread: Rope Lengths
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04-30-2014, 04:23 PM #21
Scare tactics so you will buy the expensive rope markers.
I just use a large Sharpie. I mark a section of rope about 6" long all the way around the rope. If you don't mark a large section it becomes almost impossible to see after a dozen canyons. I've marked literally hundreds of canyon and climbing ropes this way and never seen an issue. My ropes usually have 3 marks which sections the rope into quarters.
Tap'n on my Galaxy G3
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04-30-2014 04:23 PM # ADS
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04-30-2014, 05:14 PM #22
Yes.
The problem is, there is no 'standard' test for rope shrinkage, so it is very hard to quantify, thus it comes down to anecdotal evidence.
And, as we all know, the plural of anecdote is not data.
So I THINK that my polyester, hard-woven ropes shrink less than other models, but still...
One should expect 10% shrinkage over time. What time? Uh, well, one canyon to 40 canyons, somewhere in there. And it might shrink more.
Conclusion: measure your ropes from time to time. I remember pulling out a 300 foot rope from my closet for a Heaps trip, and deciding to measure it just to be sure... 275 feet, or, just long enough to be BIG BIG trouble. Good thing I checked.
The rap in Waterholes Canyon is an especially evil one, as it is 302 feet. If your rope is a few feet short, you could have a bad day.
Tom
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04-30-2014, 05:18 PM #23
Scare tactics so you will buy the expensive rope markers.
Unlike The Axe, I prefer to use methods where marking the rope is irrelevant. Why do you need to mark the middle of the rope? Two accidents recently because people used a method that involved marking the middle of their rope - that did not work. Hospital.
Tom aka The Screw
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04-30-2014, 05:25 PM #24
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04-30-2014, 05:49 PM #25
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04-30-2014, 07:47 PM #26
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04-30-2014, 08:28 PM #27
...and I wouldn't expect to get to use that icon on a thread titled "Rope Lengths".
It is good that warriors such as we meet in the struggle of life... or death. It shall be life. - Ten Bears, "The Outlaw Josie Wales"
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