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Old 10-29-2008, 04:24 AM   #1 (permalink)
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Rigging Line for Winch Rope

Not my idea, wanted to see what Pirate thought - rigging line used for winch rope:

http://www.wesspur.com/rope/stable-b...nths-rope.html

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In the 9/16 diameter, Samson stable Braid has a breaking strength of 13,300 lbs. Stable Braid is a double-braid, %100 polyester rigging rope that is exceptionally low stretch, abrasion resistant,
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Old 10-29-2008, 04:49 AM   #2 (permalink)
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Pretty sure 3/8 winch rope is at least twice that strong. I wouldnt put it on my rig.
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Old 10-29-2008, 05:13 AM   #3 (permalink)
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Yikes, 9/16" is getting huge - and it isn't even very strong. That would eat up way too much drum capacity. I think 3/8" eats up enough. That is the wrong rope for the job - too large and too weak.
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Old 10-29-2008, 06:51 AM   #4 (permalink)
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Quote:
Originally Posted by Hvy_Chevy View Post
Not my idea, wanted to see what Pirate thought - rigging line used for winch rope:

http://www.wesspur.com/rope/stable-b...nths-rope.html
If you don't need much reach, sure, rope isn't rocket science, almost anything can be used. But 3/8" Amsteel Blue has a break strength over 20k pounds, and 5/16" is 13.7k break. Stepping from 5/16 to 9/16, you'd divide your drum capacity by about 3-1/4 (cross sectional area of 9/16" is 3-1/4 times as much as that of 5/16) so a winch that used to hold 100 feet of 5/16", would now hold ~30 feet of 9/16". I'm using 5/16 as a comparison rather than 3/8 because the break strengths are much closer.

Edit to add:
If you go bigger than 7/16" in synthetic rope, you better be planning on only ever single-line pulls, or you'll waste all the "savings" on the rope, on giant blocks, shackles, etc., to deal with the big stuff. Not that I think too many people will be double-lining a 30' long rope anyway, but ya never know.

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Old 10-29-2008, 09:24 AM   #5 (permalink)
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and runs best though an arborist block for false crotch rigging.
i'd buy it just for that line alone.
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Old 10-29-2008, 05:18 PM   #6 (permalink)
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i have used a 1in fire rescue rope but not on a winch. it was used with two shackles in an emergency to pull a truck out of a mud hole so thick you could stand on the mud. i would say no on a winch.
breaking stregth is about 2/3 more than working load i think.
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Old 10-29-2008, 07:12 PM   #7 (permalink)
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Find A local rigging supply place and see if they have Yale Ultrex. It's 3/8" and 20,000lbs breaking strength. I piad $1.34 a foot at a local rigging supply. Me and several other local people run it with no problems.
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Old 10-29-2008, 07:58 PM   #8 (permalink)
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Find A local rigging supply place and see if they have Yale Ultrex. It's 3/8" and 20,000lbs breaking strength. I piad $1.34 a foot at a local rigging supply. Me and several other local people run it with no problems.
this stuff is awsome we have several sailboats locally rigged with it
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Old 10-30-2008, 02:48 AM   #9 (permalink)
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Take the amount of stretch into consideration when you shop for rope. It's usually published as percent of elastic elongation at percent of MBS. Amsteel Blue(as an example) 5/16's is plenty strong for most rigs, but 3/8' has a higher MBS which equates to less elongation in the line under the same load. I'm not saying to only buy amsteel, just that you should get something with the least amount of stretch as possible under your predicted loads. A rope with 13K MBS pulling my POS buried up to its frame is going to stretch more than I'd care to witness.
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Old 10-30-2008, 10:17 AM   #10 (permalink)
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FWIW...I tried some 11mm Static caving/rescue rope rated at 8K break just to try it out.My buggy weighs 3K and I run an old 6K Warn cut down to 4" drum used mostly to suck down the front end.Long story short.....The rope didn't work.......when the car was REALLY wadded up and STUCK.....the caving rope broke.......meh
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Old 10-30-2008, 04:38 PM   #11 (permalink)
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static rope wont work for winching. you want a dynamic, non static rope. 11mm is just a thick rock climbing rope with that any sort of abrasion and it shreads like butter.
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