Anti-Wrap Q's (2 Viewers)

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Is it BENT over toward the pass side of the rig?
If so then I would suspect a bind somewhere.
 
Is it BENT over toward the pass side of the rig?
If so then I would suspect a bind somewhere.

Yep, bent towards the passenger side. The bracket also broke, towards the bottom of it.

I thought it could be a bind, wonder if too much articulation caused the bend? That's one thing I didn't do when I installed it, test fir binding.
 
Testing for binding is important.

It looks like you side loaded it pretty badly.
 
Testing for binding is important.

It looks like you side loaded it pretty badly.

A lesson learned for sure, I'm also thinking the 3/4" heim didn't allow enough twist, and this is the result.

I think I'll try to get it as straight as possible, and see if I can locate a possible bind.

Another fix would be to be use stiffer springs, or 4link it. Both I cant afford yet!
 
I guess when you do the ruffstuff bracket, you'll be able to re assess what's going on under there which is a positive. Fortunately, there wasn't any more damage and all you have to do re do what's there.
 
The bracket that's there looks to be about a 1/4 in? The ruffstuff bracket is markedly thicker!
I wonder if the Heim (under full flex) isn't hitting the bracket and binding??
There are spacers that you can get to put on both sides of the heims that that will allow more free room for them to clear and not hit and bind.
 
The bracket that's there looks to be about a 1/4 in? The ruffstuff bracket is markedly thicker! I wonder if the Heim (under full flex) isn't hitting the bracket and binding?? There are spacers that you can get to put on both sides of the heims that that will allow more free room for them to clear and not hit and bind.

The bracket is 1/4". My buddy has the RuffStuff kit, it's super beefy, which I like.

Maybe the weakness is the size of the bracket, using 5/8" heims, (instead of the standard bushings). I have misalignment spacers on the heims, just don't recall what size. Since it needs to be re-done, might as well do it right this time, or do it better, more or less following the standard designs.
 
the axle end does not need misalignment spacers, the shackle end does.
 
I have a small one on the axle, just enough so it doesn't rest on the bracket itself.

Here is what the shackle end looks like.

ForumRunner_20140121_211911.jpg

I think the total width with the misalignment spacers are 2 5/8" wide.

ForumRunner_20140121_211911.jpg
 
If you notice that rod end is already maxed out. you drop just the DS rear tire and it will put a ton of force on the mounting bracket.
 
If you notice that rod end is already maxed out. you drop just the DS rear tire and it will put a ton of force on the mounting bracket.

If your talking about what I think your talking about, mainly the heim, it looks like that because the bracket is bent, and I haven't straightened it out yet, when it was put in, the heim was straight.
 
You bent the shackle as well?
 
The thing is that you really do not need anything but bushings at the axle end. The heim at the shackle end has to be able to twist tho..
 
The thing is that you really do not need anything but bushings at the axle end. The heim at the shackle end has to be able to twist tho..

Yea, I had the heims already, which is why I used them, I plan to go with bushings on my next one. Do you think upgrading the heim on the shackle end would help in allowing more flex? As far as I know, I have some of the biggest misalignment spacers, I'm thinking the 3/4" heim isn't allowing enough twist.
 
I'm going to be installing an anti-wrap bar in the near future as well.

Fast Eddy, do you have an update on your setup?
 
So I took a closer look at the bar today and the setup. I think I know how it failed.

The jam nut came lose enough to allow the heim to move to the left (drivers side)

When the rear axle articulated, the heim was already maxed out, which I believe caused the bracket to bend to the right (passenger side).

It makes sense, and I can see how the heim being maxed out would cause this, because it would not allow the joint to flex like it was intended.

Make sense, or am I just crazy?
 
Fast Eddy, do you have an update on your setup?

You mean the one made from water pipe with too much overhang in front of the weld? Still works fine. They break because they bind, not because they're not strong enough.

My axle bracket is much less than 1/4"; more like 1/8". It's the 80-series panhard bracket that I cut off and re-welded facing forward plus a lower link bracket facing the same direction. It's been through the rubicon with no issues.

I don't see any reason why you couldn't put that together without the lock nut on the front heim joint and let it rotate in the threads. I don't think you got enough side-to-side movement that over-extended the link. I think it was a twisting problem. That's not going to solve the up-down problem though. That's built into the design.

That shackle is not doing squat. You might as well bolt the heim joint to the x-member. If you want it to work, let me know. It's not that far off. You could be the proud owner of only the 2nd "Fast Eddy" anti-wrap bar in existence.

I've got a question about using heim joints at the axle though. If you remove your shackle and front heim joint, how far, side-to-side, can you move the front of the bar by hand? I wonder about the side-to-side flexibility of the two heims when they're at the two corners of the welded triangle bar. With good articulation I would guess you need a 18" or more of side-to-side travel.

I've got some free time. Maybe I'll go out to the local OHV and shoot some under-body video and photos of my setup.
 
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You mean the one made from water pipe with too much overhang in front of the weld? Still works fine. They break because they bind, not because they're not strong enough.

Way overgeneralized.

My axle bracket is much less than 1/4"; more like 1/8". It's the 80-series panhard bracket that I cut off and re-welded facing forward plus a lower link bracket facing the same direction. It's been through the rubicon with no issues.

The bracket can be very thin as long as it is not side loaded. Time will tell tho. I ran a good number of the hammer trails without a antiwrap bar (sprung over) one year. Just because it has not failed does not mean it is a solid design. I'm not digging on your setup. Just saying.

I don't see any reason why you couldn't put that together without the lock nut on the front heim joint and let it rotate in the threads. I don't think you got enough side-to-side movement that over-extended the link. I think it was a twisting problem. That's not going to solve the up-down problem though. That's built into the design.

Allowing the threads to turn every time you articulate is a very bad idea. It will blow out the threads eventually. It may take a long time to happen, but the amount of dirt, rust, mud that gets in there will wear it out.

That shackle is not doing squat. You might as well bolt the heim joint to the x-member. If you want it to work, let me know. It's not that far off. You could be the proud owner of only the 2nd "Fast Eddy" anti-wrap bar in existence.


The shackle allows for front to back movement. If you bolt it directly to the x member, it will kill the springs even faster or rip off the x member.
 

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