craigdiver
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| posted on 22/8/17 at 07:27 PM |
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Roll cage supports brackets
Welded in brackets to accept the gudgeon pins on the roll cage support bars. Looking at the book it is not showing any bracing between rear rail and
diff cage / suspension mount steelwork, is this bracing needed or does this look ok?
If it ain't broken, fix it anyway (just because).
Building - BMW powered Haynes Roadster/442E hybrid.
Volvo C30 T5 Polestar
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Nickp
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| posted on 23/8/17 at 06:20 AM |
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Similar to mine, not saying it's right, but it's similar to mine 
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Nickp
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| posted on 23/8/17 at 06:22 AM |
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Got me thinking now.....what about removable braces back to the diff cage so you can still fit/remove the tank?
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craigdiver
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| posted on 23/8/17 at 06:45 AM |
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quote:
Originally posted by Nickp
Got me thinking now.....what about removable braces back to the diff cage so you can still fit/remove the tank?
I agree Nick, for all the structural bracing throughout the chassis, this seems lacking. I'm sure this would give if I ended upside down with
large forces on the roll bar.
Interesting that it was ok for IVA, I suppose if it was scrutineered by race marshals as a life saving roll cage, it would fail.
If it ain't broken, fix it anyway (just because).
Building - BMW powered Haynes Roadster/442E hybrid.
Volvo C30 T5 Polestar
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Nickp
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| posted on 23/8/17 at 06:50 AM |
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quote:
Originally posted by craigdiver
quote:
Originally posted by Nickp
Got me thinking now.....what about removable braces back to the diff cage so you can still fit/remove the tank?
I agree Nick, for all the structural bracing throughout the chassis, this seems lacking. I'm sure this would give if I ended upside down with
large forces on the roll bar.
Interesting that it was ok for IVA, I suppose if it was scrutineered by race marshals as a life saving roll cage, it would fail.
It isn't even needed for the IVA and hopefully won't be needed for life saving duties either!!
I am considering side / door bars that run from the upper loop forwards to the chassis so it's braced forwards as well as rearwards. Or a full
cage, not decided yet.
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craigdiver
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| posted on 23/8/17 at 06:54 AM |
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quote:
Originally posted by Nickp
quote:
Originally posted by craigdiver
quote:
Originally posted by Nickp
Got me thinking now.....what about removable braces back to the diff cage so you can still fit/remove the tank?
I agree Nick, for all the structural bracing throughout the chassis, this seems lacking. I'm sure this would give if I ended upside down with
large forces on the roll bar.
Interesting that it was ok for IVA, I suppose if it was scrutineered by race marshals as a life saving roll cage, it would fail.
It isn't even needed for the IVA and hopefully won't be needed for life saving duties either!!
I am considering side / door bars that run from the upper loop forwards to the chassis so it's braced forwards as well as rearwards. Or a full
cage, not decided yet.
If it wasn't for the seatbelt upper mounts I might have left it off entirely.
If it ain't broken, fix it anyway (just because).
Building - BMW powered Haynes Roadster/442E hybrid.
Volvo C30 T5 Polestar
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Andybarbet
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| posted on 23/8/17 at 08:45 AM |
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Mine go all the way down to the bottom corners, I've seen plenty done similar to yours though.
 
spare wheel box section
If you look at the Westfields they didn't used to have any bracing, just the bolt on rollbar so I think you will be fine like that.
Give a man a fish & it will feed him for a day, give him a fishing rod & you've saved a fish.
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CosKev3
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| posted on 23/8/17 at 04:00 PM |
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quote:
Originally posted by craigdiver
quote:
Originally posted by Nickp
Got me thinking now.....what about removable braces back to the diff cage so you can still fit/remove the tank?
I agree Nick, for all the structural bracing throughout the chassis, this seems lacking. I'm sure this would give if I ended upside down with
large forces on the roll bar.
Interesting that it was ok for IVA, I suppose if it was scrutineered by race marshals as a life saving roll cage, it would fail.
Yeah but you need to remember that the roll bar itself is the main strong point if you were upside down,the rear stays just help to hold the main roll
bar upright incase you have any forces trying to push the rollbar forwards/backwards 
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