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Posted by BobD (more from BobD) on Fri, 28 Jan 2011 09:49:29
In Reply to: I'd say 79 to 94 roughly., SWEDECAR
[Profile/Gallery]
, Fri, 28 Jan 2011 08:55:00
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Anders,
I am not a metalurgist [ correct term ? ] but when I look at the failed a-arms at the break it looks to me that the cracks start and slowly progress until the failure happens when there is only 1/8 " to 1/4 " remaining. [ usually a very small bit of metal remaining that doesn't have some weathering ] This seems to me to be a case of stresses that are not sufficiently supported in the a-arm design. It seems that a simple reinforcement of this connection between the 'C' channel and the tube that holds the bushing and mount would have prevented the problem.
I do agree with you that it could be a case of the metal being more brittle at this location than elsewhere ? - Maybe the whole problem is due to incorrect steel type? - similar to using insufficient grade of bolt?
posted by 72.160.7...
Posts in this Thread:
- Unscientific control arm poll, SISteve
, Thu, 27 Jan 2011 16:09:42- Re: Unscientific control arm poll, peter charak, Fri, 28 Jan 2011 19:43:36
- Re: Unscientific control arm poll, incorvati
, Fri, 28 Jan 2011 16:21:29 - control arm failures, Jon
, Fri, 28 Jan 2011 09:26:27 - Here is the thing though, SWEDECAR
, Fri, 28 Jan 2011 09:01:45 - Re: Unscientific control arm poll, Nak, Thu, 27 Jan 2011 18:00:40
- Re: Unscientific control arm poll, SWEDECAR
, Thu, 27 Jan 2011 17:28:20 - @ 220,000, vvack0matic
, Thu, 27 Jan 2011 17:00:25 - Re: Unscientific control arm poll, 900 Aero
, Thu, 27 Jan 2011 16:27:22
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