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      11-15-2014, 06:12 AM   #63
CSBM5
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Quote:
Originally Posted by Maypo View Post
Clarification for you fellas -- the RD bar is actually hollow, as proved by our mishap at the Crow's Landing NT last June:

Attachment 1099476
Looking at the wall thickness of that bar gives me an initial gut reaction that it too thin for the application. I say this from the standpoint of an old mechanical engineer who actually specialized in heat transfer and fluid dynamics back in the old days. Clearly I don't know the dimensional data nor the stress values, etc, but it's just a gut feel type of thing. Obviously you proved that gut feel correct I suppose...as long as the bar was not binding on something and being subjected to stresses well beyond its design limits. The cross-section is too hard to see to evaluate the failure, but, again, it appears the wall thickness is so thin that little would come from that anyway.

It sure would be awful for someone to have a front bar fail in mid-corner somewhere like the uphill esses at VIR fully loaded up over 100mph...instant oversteer and who-knows-what's-next.

Regards,
Chuck
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