Hi The second post, I think it was from Ed mentioned that the voicing changed the felt shape. This is in effect mating hammer and string eliminating a string level problem. For a while <g> Joe Goss RPT Mother Goose Tools imatunr@srvinet.com www.mothergoosetools.com ----- Original Message ----- From: "David Ilvedson" <ilvey@sbcglobal.net> To: <pianotech@ptg.org> Sent: Sunday, February 26, 2006 6:48 PM Subject: Re: Bridge Notch Anomaly > I went back in the archives and found the original post: > > "Oh Wiser-than-I Ones, (of which there are multitudes!) > > I heard a "zinging" in the attack of a low tenor string on a customer's = > piano. She heard it, too, and didn't like it. (Turned out a little = > needling on the hammer at about 1 o'clock and 11 o'clock softened that = > attack nicely) Upon close inspection I notice an anomaly in the way the = > bridge was notched. It's the right string of the lowest plain string = > unison. I was wondering if I might elicit a few opinions about the = > looks of this. I've attached a photo -- I hope it comes through! > > The bridge isn't notched all the way across on that right-most pin. On = > the side that the string bears there is certainly a good notch, but to = > the right of that it's not. Seems like that would actually strengthen = > rather than weaken the pin's hold, but since it looks unusual I thought = > I'd ask. Extending upward from the un-notched edge there is a visible = > line. That's the border of the notching. It is not a crack. This is a = > fairly new piano, about 3 or 4 years old, a Knabe Studio Upright." > > Thanks, > > John Dorr > Helena, MT > > After reading it again..."On the side that string bears there is certainly a good notch, but to the right of that it's not", I can see where Ron's coming from... > When they notched, they left the end of the bridge unnotched. It isn't touching the string...there's a good notch...voicing took care of the problem...the whole question was about the little un-notched part of the bridge...jeesh....I know, I contributed to the post also but that was only cuz I didnt' read the original post carefully...;-] > > David Ilvedson, RPT > Pacifica, California > > > > ----- Original message ---------------------------------------- > From: "Ron Nossaman" <rnossaman@cox.net> > To: "Pianotech List" <pianotech@ptg.org> > Received: 2/25/2006 11:28:44 PM > Subject: Re: Bridge Notch Anomaly > > > > >> The area is too small for most chisels to get to. > >> > >> David Love > >> davidlovepianos@comcast.net > >> > > >> > >> Why not just use a chisel? > >> > >> William > > > >Boy, this sucker went south pretty quickly. If hammer voicing > >made any difference at all, why in the world would anyone > >suspect the notching? Looking at the photo, the notching looks > >functionally adequate to me, with the visible anomaly not > >obviously a problem. Does anyone else see potential for a real > >performance detriment here? I don't, unless the visibly loose > >bridge pins cause false beats, which is highly unlikely this > >low in the scale. And if the notching isn't demonstrably the > >problem, why all this worry about "fixing" it? > > >I don't get it. > > >Ron N > >_______________________________________________ > >Pianotech list info: https://www.moypiano.com/resources/#archives > _______________________________________________ > Pianotech list info: https://www.moypiano.com/resources/#archives
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