Nickp
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| posted on 3/4/12 at 06:56 AM |
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I presume the de-dion relies on the diff been located solidly to stop any sideways movement? And the rear of the diff is held in place by the box
section running rearward from the cross pieces at the front? What about adding 2 triangular cross braces from the box sections near the rear of the
diff out towards where the trailing arms mount? Might add some strength for that high G cornering 
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MikeRJ
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| posted on 3/4/12 at 07:27 AM |
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quote: Originally posted by Nickp
I presume the de-dion relies on the diff been located solidly to stop any sideways movement?
It relies on a Panhard rod or Watts linkage for lateral location, just like a normal live axle.
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owelly
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| posted on 3/4/12 at 07:40 AM |
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Mike, Nick was referring specifically to my set-up.
Nick, feck-off.........
http://www.ppcmag.co.uk
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Nickp
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| posted on 3/4/12 at 08:00 AM |
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quote: Originally posted by owelly
Mike, Nick was referring specifically to my set-up.
Nick, feck-off.........
Cheers mate!! Get some bracing in there so at least one part of the thing's solid you know it makes sense.
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Nickp
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| posted on 3/4/12 at 08:04 AM |
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In fact, can't your mate Rob do it for you if you can't manage?
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owelly
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| posted on 3/4/12 at 08:26 AM |
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From this piccy, you'll see the diagonal bits bracing the diff to the front of the frame which has lower brackets that bolt to the chassis.
The diff housing holds the rearward tubes rigid enough to hold the Watts link solid. Or put another way; there are plenty more things to break before
the axle gets loose.
I've got Super Rob on the books as a consultant. The Magenta he had, had a supercharged V16 Mirrlees engine in it and he made the rear axle out
of pubes.
[Edited on 3/4/12 by owelly]
http://www.ppcmag.co.uk
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Nickp
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| posted on 3/4/12 at 08:38 AM |
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As long as you're sure it's strong enough mate, I'd hate to say I told you so.
Btw- did Robs Magenta 'crab' down the road?
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owelly
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| posted on 3/4/12 at 10:57 AM |
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It didn't suffer from crabs, but handled like a bag of watch springs..
http://www.ppcmag.co.uk
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RichardK
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| posted on 3/4/12 at 12:00 PM |
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Nothing wrong with my mate,get it on!
Rich
Gallery updated 11/01/2011
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Nickp
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| posted on 3/4/12 at 05:18 PM |
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I was thinking something like this-
There'll be a lot of sideways force at the rear of the diff / carrier when cornering and it's got to help IMHO. I know you'd
probably have to nick some more red-lead but I'm sure you can manage that mate 
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owelly
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| posted on 3/4/12 at 05:36 PM |
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I had thought of a few extra bits of triangulation but I'm pretty sure the frame will be strong enough. If there's any signs of bending, I
can soon flop out the MIG.
http://www.ppcmag.co.uk
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