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  #16981  
Old February 9th, 2021, 10:56
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Cottontail Cottontail is offline
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Re: Weekend is over...what did you get done?

2 day is $41 and 3 day is $54
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  #16982  
Old February 14th, 2021, 07:41
SlowXj SlowXj is offline
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Weekend is over...what did you get done?

That's not as bad as I thought... That place is a gold mine.... If you're close ish cotton we try to go there simi regular. Nothing to hard. Normal rigs consist is my xj on 35s, buddies explorer on 35s, and a land cruiser also on 35s.

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  #16983  
Old February 21st, 2021, 11:20
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Re: Weekend is over...what did you get done?

Guess it’s time to start getting the XJ and my gear ready for the Shamrock Showdown at Windrock.

I need to:

- get a new battery
- fix the exhaust pipe that came apart at Wooly’s
- put a new u-joint in my spare pax side shaft
- get a new tarp for under my tent
- get an inverter so that I can run electric from my XK
- restock my first aid kit
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  #16984  
Old March 1st, 2021, 18:20
SlowXj SlowXj is offline
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Weekend is over...what did you get done?

Hummmm so I'm finally looking to purchase a winch and I think I've narrowed down to the x20 smitty. This is solely due to me being a cheap a$$... Steel vs synthetic? I'm not concerned with safety per say.. proper winching procedure should negate injury...(here's hoping and praying)

Weight savings is my thought. 32 lbs saved... Is that worth 220 bucks?

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  #16985  
Old March 2nd, 2021, 19:19
Bigred01xj Bigred01xj is offline
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Re: Weekend is over...what did you get done?

You may not be concerned with safety, but think about others that could be around you...I’m sure they would like to be safe! Synthetic is the way to go...if it breaks, you can also splice it in a pinch. Weight is helpful...don’t cheap out on a winch, it’s one thing you will want to work and work well when you need it.
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  #16986  
Old March 3rd, 2021, 05:32
SlowXj SlowXj is offline
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Re: Weekend is over...what did you get done?

Quote:
Originally Posted by Bigred01xj View Post
You may not be concerned with safety, but think about others that could be around you...Iím sure they would like to be safe! Synthetic is the way to go...if it breaks, you can also splice it in a pinch. Weight is helpful...donít cheap out on a winch, itís one thing you will want to work and work well when you need it.
What's your brand recommendation?

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  #16987  
Old March 3rd, 2021, 07:04
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Re: Weekend is over...what did you get done?

Quote:
Originally Posted by SlowXj View Post
Hummmm so I'm finally looking to purchase a winch and I think I've narrowed down to the x20 smitty. This is solely due to me being a cheap a$$... Steel vs synthetic? I'm not concerned with safety per say.. proper winching procedure should negate injury...(here's hoping and praying)

Weight savings is my thought. 32 lbs saved... Is that worth 220 bucks?

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Great winch. I use a 10K on Ghost. The synthetic is worth it.
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  #16988  
Old March 3rd, 2021, 10:34
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Re: Weekend is over...what did you get done?

Synth line of the same size is also rated to a higher breaking strength than steel - for example, the 3/8 Amsteel Blue I have on my Q11000 is rated to 17,600lbs compared to the 14,400 rating of the 3/8 wire rope it came with.

So: lighter weight (both on your jeep's nose and on your shoulder when pulling line on the trail), stronger for the same diameter, far easier/safer to handle and use, and field-spliceable for repair?

I can't think of a reason NOT to go synthetic...
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  #16989  
Old March 9th, 2021, 18:07
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David_Bricker David_Bricker is offline
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Re: Weekend is over...what did you get done?

Quote:
Originally Posted by Rob Mayercik View Post
I can't think of a reason NOT to go synthetic...

UV degradation. See it in the desert. But, that's easily solved with a cover.


David Bricker / SYR
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  #16990  
Old March 10th, 2021, 04:51
SlowXj SlowXj is offline
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Weekend is over...what did you get done?

Uv along with being impregnated with mud around here were my thoughts.... Normally if I'm stuck I'm in a muddy situation.
As to the rated strength I have concerns... Since synthetic is safer when it brakes, it makes me wonder if it has a lower factor of safety than steel line.... Just thinking out loud.

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  #16991  
Old March 10th, 2021, 08:32
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Re: Weekend is over...what did you get done?

Every March I take a day off work and hit the junkyards. Tomorrow is supposed to be 75 and sunny after more than a week worth of sun so the yards shouldn't be terribly muddy.

I have a list of things I need and am going to hit at least three tomorrow. Then, over the weekend when it is rainy I can be in the garage working on my junk!
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  #16992  
Old March 10th, 2021, 10:17
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Re: Weekend is over...what did you get done?

Raptor Liner on the roof after treating rust with Eastwood Rust Encapsaltor. Yehaw!
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  #16993  
Old March 10th, 2021, 11:45
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Re: Weekend is over...what did you get done?

Quote:
Originally Posted by David_Bricker
UV degradation. See it in the desert. But, that's easily solved with a cover.
A fair point, and a cover is a good idea.

Quote:
Originally Posted by SlowXj View Post
Uv along with being impregnated with mud around here were my thoughts.... Normally if I'm stuck I'm in a muddy situation.
As to the rated strength I have concerns... Since synthetic is safer when it brakes, it makes me wonder if it has a lower factor of safety than steel line.... Just thinking out loud.

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The term "Factor of Safety" generally describes how many multiples of the "rated" load something is materially capable of handling (for example, a bridge rated 10 tons is likely built to handle 25-30 tons, because it has to be able to handle that 10 tons over the entire course of its life in service (which for highway bridges, could be decades, while the whole time the materials it's made from are aging from UV, vibration (vehicles/pedestrians crossing it), temperature cycles, and chemicals (winter deicer, acid rain, etc.).

In this case, let's say your Jeep weighs 4500lbs (a nice, round number). 3/8 steel is rated 14,400lbs breaking, so the factor of safety for steel is 3.2 in this case - the line can support 3.2 of your Jeep as a single load before breaking. 3/8 Synthetic rated for 17,600lbs gives a factor of safety of 3.911, so it can handle almost 4 of your Jeep, so the 3/8 synthetic has a higher "factor of safety" in this scenario.

As to your thinking on breaking behavior, stretch a rubber band until it snaps - stings when it whips back at where you're holding it and whacks you, doesn't it? This is what steel line is capable of when stretched to breaking. Synthetic is more like cotton sewing thread - pull on it until it breaks, and it pretty much just falls down.

Steel has a significant "plastic deformation" range - within that range you can deform/stress (stretch, in this case) it and when the load is removed it'll spring back like that rubber band. Exceed that range, and you break the line (snapping the rubber band). Steel is a very strong material and it has a sizeable plastic deformation range (it's what makes it such a strong/resilient structural material); exceed it and the material fails. When it does, the failure (snap) only relieves the stretch/tension at the exact point of failure - the rest of the line is still intact and has all that stretch energy in it, and it has to go somewhere. That's why when a steel line snaps it's like that rubber band - when the material parts at the failure point, the two now-loose ends recoil with devastating force. That force, multiplied by the mass of the cable (and steel cables are HEAVY), adds up to a LOT of momentum and it will do damage.

The Synthetics, on the other hand, have a higher failure strength but (assuming here) a very narrow "plastic deformation" band, so they can't really store up any energy, just like that cotton sewing thread (which, if you try the exercise I described above, shows little to no stretch before snapping). That's why the ends of a snapped synthetic line don't go hurtling back at you - there's no significant stretch to release once the line lets go, and the only significant force acting on it at that point is gravity. Besides, with a MUCH lower mass, even if the snythetic does recoil slightly, it'll do a LOT less damage.

(apologies for the long reply - I got started, unconsiously tapped memories of my materials engineering class in college, and got on a roll)
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  #16994  
Old March 10th, 2021, 12:10
SlowXj SlowXj is offline
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Re: Weekend is over...what did you get done?

Quote:
Originally Posted by Rob Mayercik View Post
A fair point, and a cover is a good idea.







The term "Factor of Safety" generally describes how many multiples of the "rated" load something is materially capable of handling (for example, a bridge rated 10 tons is likely built to handle 25-30 tons, because it has to be able to handle that 10 tons over the entire course of its life in service (which for highway bridges, could be decades, while the whole time the materials it's made from are aging from UV, vibration (vehicles/pedestrians crossing it), temperature cycles, and chemicals (winter deicer, acid rain, etc.).



In this case, let's say your Jeep weighs 4500lbs (a nice, round number). 3/8 steel is rated 14,400lbs breaking, so the factor of safety for steel is 3.2 in this case - the line can support 3.2 of your Jeep as a single load before breaking. 3/8 Synthetic rated for 17,600lbs gives a factor of safety of 3.911, so it can handle almost 4 of your Jeep, so the 3/8 synthetic has a higher "factor of safety" in this scenario.



As to your thinking on breaking behavior, stretch a rubber band until it snaps - stings when it whips back at where you're holding it and whacks you, doesn't it? This is what steel line is capable of when stretched to breaking. Synthetic is more like cotton sewing thread - pull on it until it breaks, and it pretty much just falls down.



Steel has a significant "plastic deformation" range - within that range you can deform/stress (stretch, in this case) it and when the load is removed it'll spring back like that rubber band. Exceed that range, and you break the line (snapping the rubber band). Steel is a very strong material and it has a sizeable plastic deformation range (it's what makes it such a strong/resilient structural material); exceed it and the material fails. When it does, the failure (snap) only relieves the stretch/tension at the exact point of failure - the rest of the line is still intact and has all that stretch energy in it, and it has to go somewhere. That's why when a steel line snaps it's like that rubber band - when the material parts at the failure point, the two now-loose ends recoil with devastating force. That force, multiplied by the mass of the cable (and steel cables are HEAVY), adds up to a LOT of momentum and it will do damage.



The Synthetics, on the other hand, have a higher failure strength but (assuming here) a very narrow "plastic deformation" band, so they can't really store up any energy, just like that cotton sewing thread (which, if you try the exercise I described above, shows little to no stretch before snapping). That's why the ends of a snapped synthetic line don't go hurtling back at you - there's no significant stretch to release once the line lets go, and the only significant force acting on it at that point is gravity. Besides, with a MUCH lower mass, even if the snythetic does recoil slightly, it'll do a LOT less damage.



(apologies for the long reply - I got started, unconsiously tapped memories of my materials engineering class in college, and got on a roll)
Lol yes all of this is in my thought process. Engineering school ruined me.... What I was meaning in my previous post was most cables are rated at half of actual load capacity ( when lifting) .... I wonder if synthetic is rated at maybe .75 capacity due to danger being much less dangerous due to less stretch.

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  #16995  
Old March 11th, 2021, 10:26
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Re: Weekend is over...what did you get done?

Ah, ok. I have no idea on that, sounds like the sort of question to ask the manufacturers directly.
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