Thanks Ron. Happy New Year! Aart On Dec 31, 2005, at 1:03 PM, Ron Nossaman wrote: > >> Could you please explain the Screwdriver test for loose pins? >> Thanks and Happy New Year! >> Aart Markenstein > > Isolate a beating string with mutes. Gently push a screwdriver blade > to the side of the speaking length bridge pin opposite the string as > you play the note. If the beat stops when the pressure is on the pin, > and returns when the screwdriver is removed, the beat is caused by the > springing pin. This should be, but rarely is, the very first thing a > tuner should do to try and diagnose the cause of the beat before > attempting to "fix" anything. > > Ron N > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives >
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