Hi There! Well, try this. Pick a grand piano that doesn't have the Baldwin or Yamaha suspended plate system. Make sure it is one with a full properly installed DamppChaser system. Tune it. NOW tighten the plate bolts and check the pitch and tuning. If the tuning changes then the bolts were loose. If it doesn't then they were already tight enough. I suppose you could try loosening them too--but I don't think that is a great idea! At 09:17 PM 8/30/98 -0500, you wrote: >In the twenty - plus years I've been in this business, I haven't ONCE made a >definite correlation between tuning instability and loose plate bolts, let >alone strings needing tapped down on bridges (but we can save that one for >round two). > >I do get a definite correlation between humidity fluctuations and tuning >instability, according to my tuning records. 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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