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Cage design
http://www.rumblegoatracing.com/forum/viewtopic.php?f=93&t=1120		 Page 1 of 2
Author:  Don [ Thu Mar 26, 2009 12:20 pm ]
Post subject:  Cage design
Now that the jeep is mobile again, I'm thinking about a cage. I've come to conclusion that I don't want a family style cage, because I don't like how they look and I don't have a family. With that in mind, I've been looking over a few designs:

The cage build in this link has been my favorite for a long time. I'd probably add some door bars and a couple of diagonals, but I like the over all design:
http://www.pirate4x4.com/forum/showthread.php?t=473717

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Author:  Fozzie [ Thu Mar 26, 2009 12:46 pm ]
Post subject:  Re: Cage design
:shock: So,I'm assuming that you'r never gonna have a family?
I think this thing is the cats meow!!!
Author:  Fozzie [ Thu Mar 26, 2009 12:49 pm ]
Post subject:  Re: Cage design
:D Polyperformance $1,300.00 out the door!!!! Red-T-Go!!!!
Author:  RGRMarketing [ Thu Mar 26, 2009 12:51 pm ]
Post subject:  Re: Cage design
I am all about simple, elegant cages. I hat jungle gyms in Jeeps.

A, B, C (slanted)
Dash bar
Shoulder bar
Door Bars

Triangulate the halo, the windshield and the B Pillar, tie the seats in, tie it to the frame. . .done.

I've rolled a Jeep enough times to know that if you roll hard enough with a cage like that to have the cage design come into play, you are screwed on a few other levels. . .like you lost your arm when it flew out the window and broke both of your legs on the underside of the dash. Maybe even spilled your beverage. :mrgreen:

The one Fozzie posted is tits!!
Author:  Don [ Wed Apr 08, 2009 9:59 am ]
Post subject:  Re: Cage design
So, I've been looking at A LOT of cage designs, and I keep coming back to this one .... (minus the spare tire mount):
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Here is a thread with a lot more pictures of it:

http://pirate4x4.com/forum/showthread.php?t=756414

I like that it is based off of the YJ cage. It is fairly simple and looks plenty strong. I would do a belt bar as opposed to his arrangment.
Author:  oltmann [ Wed Apr 08, 2009 10:31 am ]
Post subject:  Re: Cage design
I have been generally happy with the design of mine. I wanted to overbuild it because I plan to back half the frame and integrate the cage as the top half of a 'juggy'.

The main design feature that I wanted was a single side rail for the a-b-c. This allows smooth sliding past trees and rocks without getting hung up.

I also pulled the base of the A pillar back away from the dash so there was less of a bend there.

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Author:  Don [ Wed Apr 08, 2009 10:41 am ]
Post subject:  Re: Cage design
I also like the placement of your B-pillar to make the diagonals and the belt bar simpler.
Author:  oltmann [ Wed Apr 08, 2009 10:54 am ]
Post subject:  Re: Cage design
Thanks, that did work out pretty handy. The B pillar is mounted to the top of the fender. The trade off is the frame tie in(not pictured) rubs on the tires when they are flexing.
Author:  Don [ Wed Apr 08, 2009 11:13 am ]
Post subject:  Re: Cage design
I really like your cage. Is it an optical illusion, or is the side bars (a to b pillar) of the cage not parallel with the rockers? Do you remember how many feet of tube you used?
Author:  oltmann [ Wed Apr 08, 2009 11:50 am ]
Post subject:  Re: Cage design
Thanks, there is some optical illusion in there. The A to B does run up hill. The spreader bars don't really kick up, they are actually fairly parallel to the rockers. Also, the B tips forward where most are normally straight or leaning back.

I have a couple of well read XOM mags that I used for inspiration on that project. 8-)

Including the seat mounts probly just north of 160' I only had one die at that time, now I would probably make the seat mounts out of 1.25"

Here's some more Jungle for Jim ;)
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