Hi Ron, I just may have some data for you. It involves a GH1B. I will get the numbers out and post them. At 06:57 PM 9/2/98 -0500, you wrote: >> >> 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 > > > Regards, Don Rose, B.Mus., A.M.U.S., A.MUS., R.M.T., R.P.T. "Tuner for the Centre of the Arts" drose@dlcwest.com http://www.dlcwest.com/~drose/ 3004 Grant Rd. REGINA, SK S4S 5G7 306-352-3620 or 1-888-29t-uner
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