On 11/4/2010 7:54 PM, Bppiano wrote: > I know alot of other techs snicker when I bring up the idea pitch > stability, but I just don't care. They do? Why? >You can't ensure a stable tuning until > the soundboard is stabilized. I disagree. You can't get anything qualifying as a stable tuning until the environment is stabilized. How do you stabilize a soundboard by tuning? > I have a long time contract for a 5 star hotel where I tune 16 to 20 > pianos a month, so I see the same pianos over and over again and get to > evaluate my work often and study how these pianos go out of tune. Its > mostly an open air facility with a man-made lake in the center. It's > amazing to see how consistently they go out due to the environmental > condidtions changing. I get to note out of a 3-string-unison which > strings go out of tune and approximately how much. I would estimate (not > having any stringent scientific study on the subject) that the differing > lengths of each of the 3 strings has the most to do with the unison drift. > Once again, I wait to hear from Professor Nossman (Ron) on this matter. Professorially (whoever he is) speaking, yes. Shorter overall lengths go out farther, except where break% is low. Incidentally, alot still isn't a word. Still, Ron N
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