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Discussion Starter #1 (Edited)
From RC's site at the Tera booth I think.


If they are what I think they are...I proposed two years ago these to be the thing that will revolutionize leaf spring rigs. They will give most all the flex benefits of coils on a regular leaf. Why they have been sat on and not put into production I dont know.

Think.. sister to the revolving shackels. Kurt Hildabrand (sp?) of Metal Made Right/Revolver Shackels, runs them on his rig. He designed them!
 

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Looks like a clamp to hold the leaf spring to the axle that reduces/eliminates the sideways twisting of the spring during flex.
 

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Wow, what a great idea (if they are what I think they are.) Looks like they are meant to replace the inner spring hangers. You torch off the original hangers and weld these ones in. With these in place the spring should not bind and like the revolver these hangers will seperate and increase the downtravel of your current suspention. Anyway they look like they would be easy to make. I already have made a set of revolving shackles that work great, I am gonna try putting this thing together soon.
 

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Discussion Starter #5
Originally posted by wkndboy:
<STRONG>Wow, what a great idea (if they are what I think they are.) Looks like they are meant to replace the inner spring hangers. You torch off the original hangers and weld these ones in. With these in place the spring should not bind and like the revolver these hangers will seperate and increase the downtravel of your current suspention. Anyway they look like they would be easy to make. I already have made a set of revolving shackles that work great, I am gonna try putting this thing together soon.</STRONG>
"wkndboy" You get the Golden Cardboard Cookie award!

It's called the Z shackle. Well it was... not sure if that name was kept. I have seen it in action. I will keep the pinion angle the same as u articulate. They mount to the fixed end of the leaf springs and are to be used with a revolver up front.
 

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Originally posted by coachgeo3:
<STRONG>Think.. sister to the revolving shackels. Kurt Hildabrand (sp?) of Metal Made Right/Revolver Shackels, runs them on his rig. He designed them!</STRONG>
these are not the same as whats on the revolver rig, the ones on that rig just allow the fixed end to rotate, not actually drop away from the frame!!! if this is meant for the fixed end of the spring and not for a new type of revolver shackle I think they are downright scary!! no way in hell I would use these to hold my spring to the frame! Also I would thing they would do nothing bu t add to the hopping problem of revolvers if used on the fixed end of the spring. Do are rigs really need any more of these gimics??????
 

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Well, call them what you want but I really don't think they are gimics. The "revolvers" that I built work well and I have had no problems with them on my rig. This "Zbox" thing looks interesting though. I am not an engineer so i can't comment on how safe it would be. If they do work well and prevent the spring from binding but have some weird handling issues why not add some control arms and keep the track bar on when on-road? http://wsphotofews.excite.com/022/fN/xx/Tx/YZ31775.jpg http://wsphotofews.excite.com/016/sh/IH/oC/Zb83454.jpg
 

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Discussion Starter #8
I dont know about now, but when I saw them two years ago on Kurts rig they did drop. Kurt designed them. I saw them in action "up close" on the "Proving Grounds" in Moab. The strenght of the set I saw then look much beefier than these pictured here. For a while there was a video of them in use on the medal made right web site. The video was removed long ago though.

As to scary... Kurt did one hell of a job on the "proving grounds" with a rig not nearly as modified as the buggies etc on the trip. The Z worked flawlessly. He was only one of a handfull who made all the obsticals on the trail. Hell one of the few who even completed the run!!!

I have recognized that revolvers get scary on rigs that have real flexy springs. Don't need revolvers in that case... it gets way to sloppy cause of too much available movement!
 

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These look like they would extend (like Revolvers) and reduce the amount the side twist on droop. What I question about these is the way they drop. It looks as though the drop would be in an arc to the sides causing the axle to shift sidways. Revolvers drop and pivot in line with the spring, these pivot parallel with the frame.
 

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I think that's the whole point. When an axle pivots during articulation the spring binds cause it wants to move (shift) with the axle. With this Z box it seems as though the spring would be permitted to do so thus: less binding. It also has a double hinge so I don't see it influencing the direction of the spring on its downward cycle. I think it would be the other way around, the spring would influence how the z box would open. The lower hing would probaly open first as the spring twists and then the second hinge would kick in as the axle continues to drop.
 

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Discussion Starter #11
Originally posted by wkndboy:
<STRONG>I think that's the whole point. When an axle pivots during articulation the spring binds cause it wants to move (shift) with the axle. With this Z box it seems as though the spring would be permitted to do so thus: less binding. It also has a double hinge so I don't see it influencing the direction of the spring on its downward cycle. I think it would be the other way around, the spring would influence how the z box would open. The lower hing would probaly open first as the spring twists and then the second hinge would kick in as the axle continues to drop.</STRONG>

Yep yep.... make that two cardboard cookies for you.. well maybe 1 1/2 a cookie actually... I think its a 50/50 thing. It seems to me it will partial open both hinges durring flex and yes it allows the axil to move to one side or other a wee bit

[ 11-02-2001: Message edited by: coachgeo3 ]
 

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I also remember talking to Kurt about those, he swore by them. I thought they looked a little scetchy, but I can't actually say I've seen them on the trail to form a real opinion. I don't remember him using them in competition. Tera bought the the rights to Revolvers products, and had them made over seas. Thats probably why they look cheaper and weaker. <IMG SRC="smilies/jeep2.gif" border="0">
 
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