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Old 04-23-2009, 10:54 PM
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az_gila az_gila is offline
 
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
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Smile The design strength...

Quote:
Originally Posted by scsmith View Post
......
My OPINION is that I think it is better to use a higher strength nut, and I will. It may be that the existing nuts are fully adequate, I don't have any evidence that says otherwise. It is likely that there are other weak links in the assembly that would usually fail first. It is also possible that a particular scenario would lead to failure of the nut before any other part failed. I might as well go for all the strength I can just in case....
...used by the designer should be from MIL-Handbook-5.

The applicable page is here, but I don't know which bolts are specified, so I can't give the design ultimate tensile strength.

How do these numbers fit in with your tests?



Note "d" certainly fits in with your conclusions.
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