Loose Plate bolts = ? once more

[Ron Nossaman]

>
>       That *observable cumulative damage* needn't be there.  Whether damage
>is done mainly depends on when the bolts are checked.  If plate bolts are kept
>snug by checking during the summer, (high-humidity) months, they don't exhibit
>the continual creep that ultimately results in stripped threads.  
>     In my records of the school grands, I found that tightening the bolts in
>winter never stopped, I was stressing the threads yearly .  Since I began
>putting the wrench on only in summer, I very rarely see anything turn after
>the first two seasons.  All the older grands are settled in and exhibit no
>additional looseness.  
>    If the bolts won't turn in summer, they are (IMHO) tight enough.  
>Regards, 
>Ed Foote
>(And I wonder why all those people said I had a screw  loose  (:)}}}?) 
>

* Excellent! That covers the back side of my point. The front side, as to
why tighten them in the first place when nobody seems to be able to generate
any evidence that it helps tuning stability, or much of anything else
(except for a possible aid to impedance control), remains unresolved.

 
 Ron