---------------------- multipart/alternative attachment In a message dated 12/30/2001 1:40:23 PM Pacific Standard Time, Erwinspiano@AOL.COM writes: > Subj:Stein grand unique board was: Piano Rims. > Date:12/30/2001 1:40:23 PM Pacific Standard Time > From: Erwinspiano@AOL.COM > Sender: owner-pianotech@ptg.org > Reply-to: <A HREF="mailto:pianotech@ptg.org">pianotech@ptg.org</A> > To: pianotech@ptg.org > > > > > . > > >> Phil Ford writes >> > >> > If what you want is the entire soundboard moving up >> > and down as a diaphragm it seems to me that having >> > this hinged edge attachment might come closer to >> > giving that than a clamped edge arrangement. >> > Actually building something workable might be >> > difficult. >> >> And we must avoid difficulties at all cost! >> >> As time goes on I find myself coming closer and closer to the notion of a >> hinged-edge diaphragm configuration. Our soundboards are functionally very >> near that now. And my new 200 cm grand design is even closer. >> >> Del >> > Del, Phil and all > This may not be completely irrelevant but since we are taliking > hinged sdboard systems. I recently saw a Charles Fredrick Stein built in > Chicago in the golden years. This piano was 6ft. 3 ish and beautifully > rebuilt and refinished by Bob And Marcia Davis of Stockton Ca. > The Original belly system was a clamped edge system only on the belly > rail and near the first highest rib on the curve as I recall. The rest of > the system consisted of the ribs glued on top of the inner rim ( not > morticed in as usual) with the board glued to n the ribs as usual but not > to the rim. Basically a free edge more or less. Dumfounded was I at the > rich sining tone and broad dynamics. It made me think of your (Dels) > description of tonal range/dynamics in the pp area and the power generated > by a strong fundamental in the forte ranges. No clang and bang just > wonderful musical power and sustain. > (Bob/Marcia jump in here and add or correct anything I'm forgetting.) > > Happy Old/New year to all > Dale Erwin ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/f0/b4/56/0b/attachment.htm ---------------------- multipart/alternative attachment--
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