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Unread 05-04-2012, 03:11 PM   #1
fosterjd79
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Synthetic v. Cable Winch Line

How much is weight changed by going from cable to synthetic on an 8000lb winch?

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Unread 05-04-2012, 03:20 PM   #2
billzcat1
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You drop about 8 lbs going synthetic.
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Unread 05-04-2012, 11:12 PM   #3
GRAND_WJ
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It's more the safety aspect of the dynema rope compared to the steel cable ...

As the recoil is next to nothing, when it breaks it just drops down...compared to steel cable the recoil is masssive, we have had one break and smash the window on a 4x4 before..not pretty.

Cheers
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Unread 05-05-2012, 08:50 AM   #4
mrblaine
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Quote:
Originally Posted by GRAND_WJ View Post
It's more the safety aspect of the dynema rope compared to the steel cable ...

As the recoil is next to nothing, when it breaks it just drops down...compared to steel cable the recoil is masssive, we have had one break and smash the window on a 4x4 before..not pretty.

Cheers
When loaded to breaking strength and exceeded, both steel cable and common fibers used for synthetic winch lines recoil at about the same speed or close enough that you can't tell. The main difference is the mass of the line. Lower mass of the synthetics mean it's less likely to cause major damage, probably won't kill you, but you wouldn't want to be in the line of fire.
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Unread 05-05-2012, 09:06 AM   #5
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Quote:
Originally Posted by GRAND_WJ View Post
It's more the safety aspect of the dynema rope compared to the steel cable ...

As the recoil is next to nothing, when it breaks it just drops down...compared to steel cable the recoil is masssive, we have had one break and smash the window on a 4x4 before..not pretty.

Cheers
Been there done that... Steel cable broke and smashed the back window of my Dad's Blazer. I thought I was going to find his head on the floor when I ran up. Luckily he was ok.
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Unread 05-05-2012, 10:35 AM   #6
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Does no one here put weights on their cables when winching? Figured that was common safety knowledge...
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Unread 05-05-2012, 11:24 AM   #7
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I could have sworn the weight difference between my steel and my synth rope was closer to 20 lbs or more. But it was 5/16" steel at 125' vs. 100 ft. of synthetic. The steel cable coiled up in the shipping box had to be over 20 lbs shipping weight. The synthetic is much nicer to work with, but IMO not worth the cost if you don't winch much and know how to use the wire rope safely and properly. Key word is "safely".
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Unread 05-05-2012, 12:40 PM   #8
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Does no one here put weights on their cables when winching? Figured that was common safety knowledge...
At one point we had two arb weights on one cable because of the rise we were winching over and the cable broke. When it broke and came around it opened the side of my brothers truck bed like a sardine can the weights did nothing just whipped them off like they weren't there. Although I would not have want to see what it was like with out them.
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Unread 05-05-2012, 01:39 PM   #9
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At one point we had two arb weights on one cable because of the rise we were winching over and the cable broke. When it broke and came around it opened the side of my brothers truck bed like a sardine can the weights did nothing just whipped them off like they weren't there. Although I would not have want to see what it was like with out them.
I winch a lot, I build winch line safety gear. I also discuss this issue with many folks in the industry and our consensus is to avoid the use of weights, towels, floor mats, sweatshirts or anything else placed on the winch line under load. That's for two reasons, 1 is you can NOT predict where the break will happen which means someone generally has to be in harm's way to continually reposition the weight and 2- it gives the participants a false sense of security that will someday get someone hurt.

We much prefer to keep everyone non essential to the recovery outside the kill radius and reduce the risk that way.
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Unread 05-05-2012, 02:31 PM   #10
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Unread 05-05-2012, 03:28 PM   #11
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It sounds to me that the failures noted here were all do to cable fatigue / lack of maintenance or lack of inspection and user error (over loading or using damaged cable) along with improper technique.
I have recovered hundreds of thousands of pounds of equipment in the military and have never broken a cable. Also I work in the commercial fishing industry where massive wire rope is used daily and have never seen a cable part unless fatigued or over loaded (dredge stuck on boulder). Also We have never "weighted" a cable.
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Unread 05-05-2012, 06:34 PM   #12
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We much prefer to keep everyone non essential to the recovery outside the kill radius and reduce the risk that way.
I think I will volunteer for non essential duty
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Unread 05-05-2012, 09:27 PM   #13
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Used a winch for years recovering boats on to trailers and most have switch from wire cable to strap because of wire cable snapping.
But that been said most where old worn wire cable
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Unread 05-05-2012, 09:28 PM   #14
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Quote:
Originally Posted by Rocklobster View Post
It sounds to me that the failures noted here were all do to cable fatigue / lack of maintenance or lack of inspection and user error (over loading or using damaged cable) along with improper technique.
I have recovered hundreds of thousands of pounds of equipment in the military and have never broken a cable. Also I work in the commercial fishing industry where massive wire rope is used daily and have never seen a cable part unless fatigued or over loaded (dredge stuck on boulder). Also We have never "weighted" a cable.
I'll also wager good money that your lifting follows Safe WLLs and never exceeds them on a regular basis.

Unlike recreational winches for SELF recovery which typically run 9800 lb breaking strength steel cable on a winch rated at 9500 lbs. Even loosest industry standards would rate the WLL of that set up at 3200 lbs.

We play a dangerous game that few understand.
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Unread 05-06-2012, 11:31 PM   #15
206wj
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I love my Synthetic Cable!! Easy to run out too...

Another advantage is it's easy to repair and splice.
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