I service a Baldwin R, ten years old or so. It has that feeling/sound when repinning. I have never been able to get stable pinning in this piano and look forward to the day I can replace the hammer, shanks and flanges. David Ilvedson, RPT Pacifica, CA Date sent: Fri, 16 Apr 1999 09:57:15 -0400 From: nhunt@jagat.com (Newton Hunt) To: pianotech@ptg.org Subject: Re: O.K. how about another one!?! Send reply to: pianotech@ptg.org > Ron Giesbrecht wrote: > > the center pins have started to bend slightly from the accumulative effects of 20 years of playing > > Nice theory, but I don't think so. Considering how much force is > required to intentionally bend a pin (as in spacing jacks) there is > simply not enough leverage for this to happen on a hammer center pin. > This type of bending does not occur with other pianos I have worked on > over the last 37 years. > > When repinning these "frozen" flanges it is necessary to ream the > bushings and I can FEEL and HEAR contaminations in the felt. It feels > like very fine sand. This is an observation I have made over the last > 27 or so years working with Asian made pianos. I have never > encountered this feel in European or American made pianos. > > Newton > David Ilvedson, RPT Pacifica, CA ilvey@jps.net
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