John I looked at bridge pins on the Chorus room piano, especially at a couple of notes that had already drifted. (I tuned it on Monday). Unless they are loose down in the bridge, I could not see any wood splits on any of the pins. Wim Quoting John Minor <jminor at uiuc.edu>: > Wim, > > I've had similar problems with a restrung B. I suspect part of the > problem is due to the high volume of air flowing around the piano > from the air handler fan speed. Fresh air from outside is required to > keep air healthy. My situation worsened after the building had fans > upgraded and outside dampers improved to bring in MORE fresh air. > > Another possible cause is loose bridge pins caused by the extremely > dry air in commercial buildings in the winter. I'm planning on doing > an experiment with epoxy in bridge pins in one section to see if > things improve. > > Good luck! This can be extremely frustrating! One of my secret fears > is that people will think I don't tune the piano at all, *OR* that I > do a lousy job!! : ( > > John Minor > University of Illinois > > > I > Willem Blees, RPT Piano Tuner/Technician School of Music University of Alabama Tuscaloosa, AL USA 205-348-1469
This PTG archive page provided courtesy of Moy Piano Service, LLC