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Location:
Brisbane, Queensland
Registered:
April 2003
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Re: Roll Cage Designs - AE86 / KE70 Specs
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Sun, 28 August 2005 04:00
 
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All right, to be honest I think your attitude and approach is a little off but I'll put that down to the lack of text forums to convey emotion/attitude effectively.
If its going to be street driven then the biggest limiting factor will be your ability to add side impact protection across the doors. Now side impact bars (ideally a high double-cross) not only protect from side impact but also (arguably the reason they're so popular in top-level motorsport) they add a massive amount more rigidity, particularly in beaming.
So, it depends how much you want to push your luck with the door openings, talk to an engineer but for starters I'd recommend you focus on the rear half of the cage.
So you'll have a main hoop, with a harness bar and a double-cross for triangulation. Then you've got a set of rear legs running from the top corners of the main hoop down to the rear strut towers and a bar straight between the strut towers, again with a double cross over. Next you want two bars running straight from the base of the main hoop back to the strut towers, again with a double cross.
Next you need to decide on how you attack the front end of the cage, the first bars to look at are the front legs, extending from the top corners of the cage, running forwards and following the A-pillar quite closely and penetrating through the dash, these should be joined above the windscreen with another tube and you want a double-cross above your head, possible bent upwards to improve clearance. Run another bar joining the front legs just under the top of the dash and depending on packaging, knock up some (smaller?) barwork to link that to the firewall and transmission tunnel.
Don't stop there though or you really are shortchanging yourself in terms of rigidity... more to come later, gotta go finish painting the KE30.
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| | Subject | Poster | Date |
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Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Tue, 23 August 2005 00:16 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Tue, 23 August 2005 00:23 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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bbaacchhyy | Tue, 23 August 2005 00:39 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Tue, 23 August 2005 02:12 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Tue, 23 August 2005 04:54 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Tue, 23 August 2005 05:23 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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Cool1 | Wed, 24 August 2005 10:54 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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Redwarf | Wed, 24 August 2005 11:36 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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Rex_Kelway | Wed, 24 August 2005 15:07 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Wed, 24 August 2005 16:56 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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berad | Fri, 26 August 2005 00:36 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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rthy | Fri, 26 August 2005 03:21 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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MR 1JZ | Fri, 26 August 2005 03:25 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Fri, 26 August 2005 03:35 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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Steve-AE86 | Fri, 26 August 2005 10:15 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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kingmick | Sat, 27 August 2005 04:59 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Sat, 27 August 2005 12:49 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 04:00 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 04:41 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 06:42 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Sun, 28 August 2005 06:47 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 07:50 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Sun, 28 August 2005 07:54 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 08:06 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Sun, 28 August 2005 08:25 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 08:30 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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berad | Sun, 28 August 2005 08:31 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 08:34 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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muvro | Sun, 28 August 2005 10:19 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Sun, 28 August 2005 12:13 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 12:36 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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agp2002 | Sun, 28 August 2005 12:53 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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muvro | Sun, 28 August 2005 13:29 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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hotgemini | Sun, 28 August 2005 23:10 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Mon, 29 August 2005 00:11 |
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Re: Roll Cage Designs - AE86 / KE70 Specs
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takai | Mon, 29 August 2005 11:49 |
