Bill Spurlock also has an excellent paper on vertical damper replacement. It includes evaluation techniques for placement, and excellent new design examples. He suggests using longer damper in general. I have followed his guidelines on several uprights and had excellent results. I always make my own dampers from scratch now. Terry Farrell ----- Original Message ----- From: "Delwin D Fandrich" <pianobuilders@olynet.com> To: "Pianotech" <pianotech@ptg.org> Sent: Wednesday, December 04, 2002 11:42 AM Subject: Re: damper modification help > > ----- Original Message ----- > From: <Tvak@aol.com> > To: <pianotech@ptg.org> > Sent: December 04, 2002 6:06 AM > Subject: damper modification help > > > > I replaced the dampers on a big old upright piano and now find that the > new > > dampers are not doing their job very well. The monochord strings all have > a > > ringing third partial (octave+5th). They are seated and regulated > properly. > > > A not uncommon problem. See: > > - Dampers-Why Are They So Darn Much Trouble? The Piano Technicians Journal, > December, 1995 > > Del > > > > _______________________________________________ > pianotech list info: https://www.moypiano.com/resources/#archives
This PTG archive page provided courtesy of Moy Piano Service, LLC