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takai
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May 2003

Re: Seam riveting an AE86

Sat, 14 May 2005 15:15

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Redwarf wrote on Sun, 15 May 2005 00:18

Quote:

takai wrote on Wed, 11 May 2005 09:45

Cool1 wrote on Wed, 11 May 2005 07:48

Rally/track cars should not get seam welded at all. If you want do do a cheap job you stitch weld. If you want to do the job correctly, you fit a full cage.

I would be seriously iffy about just fitting a full cage without stitch welding. It is pretty likely that once you have a full cage that the minor amounts of flex in the car will break the stock spot welds holding the car together. Indeed ive seen a few cracks in the rear half of my car with the half cage but no stitch welding.

Needless to say ill be stitch welding quite soon now.

If you get a decent full cage fitted there will not be any stress loading on the body at all.

You've obviously never owned a serious rally car before. No amount of roll cage will save an un-seam welded floorpan if you land on a rock, or bang it too hard through a causeway. A smart car builder does both. For the added time it takes, it's cheap insurance. I have "decent full cages" in both my rally cars, and it still doesn't save them from pulling the odd seam. The seam welding slows it down though. If you break one weld, it generally stops at the next. IMHO pop rivets will be less effective than the spot welds, both in shear and tension loads, however, they MAY provide some increase in rigidity, right up to the moment you hit something, then you'll have wished you'd seam welded it.

I agree entirely. I think you were trying to quote Cool1 there. Our old KE35 rally car had a 8" wide dent in the floorpan from a hefty branch on the track when we came barrelling along. Was about 6" from one of the seams and the stitch welding only came apart in the one point. We were able to get the car back to service, and then bash it out with a large hammer and re-weld.

I was thinking about it today, and i realised i have seen teams use rivets in holding panels together after a serious dent mid stage. But they are used in service, and only as a last resort to keep some structural integrity in the seam, and they were always gone by the next rally.

Oh yeah, and one of the scariest things ive seen in a while was a U12 Pintara strut tower which was forcibly ripped off the chassis and went through the bonnet. Thankfully it was only a khanacross/rallysprint car.

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Read Message Seam riveting an AE86 ae86 slide Tue, 10 May 2005 10:10
Re: Seam riveting an AE86 Cool1 Tue, 10 May 2005 10:30
Re: Seam riveting an AE86 shinybluesteel Tue, 10 May 2005 10:44
Re: Seam riveting an AE86 Cool1 Tue, 10 May 2005 10:48
Re: Seam riveting an AE86 shinybluesteel Tue, 10 May 2005 10:59
Read Message Re: Seam riveting an AE86 pro_k Tue, 10 May 2005 11:19
Re: Seam riveting an AE86 HyDrA Tue, 10 May 2005 11:39
Re: Seam riveting an AE86 Sam_Q Tue, 10 May 2005 13:49
Re: Seam riveting an AE86 allencr Tue, 10 May 2005 15:32
Re: Seam riveting an AE86 EldarO Tue, 10 May 2005 15:33
Read Message Re: Seam riveting an AE86 M.W.P. Tue, 10 May 2005 17:20
Re: Seam riveting an AE86 Cool1 Tue, 10 May 2005 21:48
Re: Seam riveting an AE86 bubbles Tue, 10 May 2005 22:15
Re: Seam riveting an AE86 takai Tue, 10 May 2005 23:45
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 00:08
Read Message Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 00:14
Re: Seam riveting an AE86 gold28 Wed, 11 May 2005 00:35
Re: Seam riveting an AE86 oldcorollas Wed, 11 May 2005 06:20
Re: Seam riveting an AE86 styler Wed, 11 May 2005 00:36
Re: Seam riveting an AE86 gold28 Wed, 11 May 2005 00:45
Read Message Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 00:50
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 00:48
Re: Seam riveting an AE86 takai Wed, 11 May 2005 01:46
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 02:00
Re: Seam riveting an AE86 takai Wed, 11 May 2005 02:14
Read Message Re: Seam riveting an AE86 oldcorollas Wed, 11 May 2005 06:22
Re: Seam riveting an AE86 Bill Sherwood Wed, 11 May 2005 02:18
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 02:25
Re: Seam riveting an AE86 opiate Wed, 11 May 2005 02:32
Re: Seam riveting an AE86 Henn Wed, 11 May 2005 03:46
Read Message Re: Seam riveting an AE86 styler Wed, 11 May 2005 05:11
Re: Seam riveting an AE86 ae86 slide Wed, 11 May 2005 08:07
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 08:15
Re: Seam riveting an AE86 ninja_86 Wed, 11 May 2005 08:20
Re: Seam riveting an AE86 takai Wed, 11 May 2005 08:42
Read Message Re: Seam riveting an AE86 ninja_86 Wed, 11 May 2005 09:25
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 09:28
Re: Seam riveting an AE86 Cool1 Wed, 11 May 2005 08:45
Re: Seam riveting an AE86 takai Wed, 11 May 2005 08:55
Re: Seam riveting an AE86 Arch Wed, 11 May 2005 09:28
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Re: Seam riveting an AE86 takai Wed, 11 May 2005 10:10
Re: Seam riveting an AE86 ninja_86 Wed, 11 May 2005 10:24
Re: Seam riveting an AE86 improvedae86 Wed, 11 May 2005 10:03
Re: Seam riveting an AE86 ninja_86 Wed, 11 May 2005 10:29
Read Message Re: Seam riveting an AE86 ShiRi Wed, 11 May 2005 11:31
Re: Seam riveting an AE86 Norminator Thu, 12 May 2005 03:04
Re: Seam riveting an AE86 opiate Wed, 11 May 2005 12:44
Re: Seam riveting an AE86 ninja_86 Wed, 11 May 2005 21:47
Re: Seam riveting an AE86 ed_ma61 Wed, 11 May 2005 21:58
Read Message Re: Seam riveting an AE86 improvedae86 Wed, 11 May 2005 23:27
Re: Seam riveting an AE86 ed_ma61 Wed, 11 May 2005 23:43
Re: Seam riveting an AE86 gearb0x Thu, 12 May 2005 00:12
Re: Seam riveting an AE86 rob_RA40 Thu, 12 May 2005 00:52
Re: Seam riveting an AE86 takai Thu, 12 May 2005 00:54
Read Message Re: Seam riveting an AE86 improvedae86 Thu, 12 May 2005 00:55
Re: Seam riveting an AE86 EvilJack Thu, 12 May 2005 01:00
Re: Seam riveting an AE86 Arch Thu, 12 May 2005 02:14
Re: Seam riveting an AE86 opiate Thu, 12 May 2005 11:09
Re: Seam riveting an AE86 ninja_86 Thu, 12 May 2005 23:24
Read Message Re: Seam riveting an AE86 EvilJack Fri, 13 May 2005 00:30
Re: Seam riveting an AE86 justcallmefrank Thu, 12 May 2005 23:32
Re: Seam riveting an AE86 opiate Fri, 13 May 2005 00:22
Re: Seam riveting an AE86 gold28 Fri, 13 May 2005 00:39
Re: Seam riveting an AE86 gold28 Fri, 13 May 2005 00:46
Read Message Re: Seam riveting an AE86 4ageeza Fri, 13 May 2005 01:01
Re: Seam riveting an AE86 Dirty_Sanchez Fri, 13 May 2005 01:36
Re: Seam riveting an AE86 bathurst-91 Sun, 15 May 2005 03:54
Re: Seam riveting an AE86 ed_ma61 Fri, 13 May 2005 02:42
Re: Seam riveting an AE86 Bobski Fri, 13 May 2005 04:02
Read Message Re: Seam riveting an AE86 Henn Fri, 13 May 2005 07:26
Re: Seam riveting an AE86 HyDrA Fri, 13 May 2005 07:50
Re: Seam riveting an AE86 opiate Fri, 13 May 2005 07:52
Re: Seam riveting an AE86 takai Fri, 13 May 2005 13:55
Re: Seam riveting an AE86 Simon-AE86 Fri, 13 May 2005 14:42
Read Message Re: Seam riveting an AE86 gold28 Sat, 14 May 2005 00:19
Re: Seam riveting an AE86 takai Sat, 14 May 2005 02:05
Re: Seam riveting an AE86 gold28 Sat, 14 May 2005 03:01
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Re: Seam riveting an AE86 Redwarf Sat, 14 May 2005 15:07
Read Message Re: Seam riveting an AE86 Redwarf Sat, 14 May 2005 14:18
Re: Seam riveting an AE86 takai Sat, 14 May 2005 15:15
Re: Seam riveting an AE86 Simon-AE86 Sat, 14 May 2005 14:51
Re: Seam riveting an AE86 Redwarf Sun, 15 May 2005 03:08
Re: Seam riveting an AE86 Cool1 Sun, 15 May 2005 03:43
Read Message Re: Seam riveting an AE86 Redwarf Sun, 15 May 2005 04:24
Re: Seam riveting an AE86 Cool1 Sun, 15 May 2005 07:10
Re: Seam riveting an AE86 takai Sun, 15 May 2005 07:34
Re: Seam riveting an AE86 Cool1 Sun, 15 May 2005 08:54
Re: Seam riveting an AE86 Redwarf Sun, 15 May 2005 07:47
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Re: Seam riveting an AE86 Redwarf Sun, 15 May 2005 09:14
Re: Seam riveting an AE86 rob_RA40 Sun, 15 May 2005 09:31
Re: Seam riveting an AE86 Redwarf Sun, 15 May 2005 09:52
Re: Seam riveting an AE86 takai Sun, 15 May 2005 12:37
Read Message Re: Seam riveting an AE86 ninja_86 Sun, 15 May 2005 22:19
Re: Seam riveting an AE86 bubbles Sun, 15 May 2005 22:47
Re: Seam riveting an AE86 EVOSTi Mon, 16 May 2005 06:33

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