---------------------- multipart/mixed attachment --part1_e.35093c4d.2c87e8a6_alt_boundary In a message dated 9/3/2003 5:58:23 PM Pacific Daylight Time, Erwinspiano writes: > Subj: Re: front or back > Date: 9/3/2003 5:58:23 PM Pacific Daylight Time > From: <A HREF="mailto:Erwinspiano">Erwinspiano</A> > To: <A HREF="mailto:caut@ptg.org">caut@ptg.org</A> > > > > In a message dated 9/3/2003 3:58:43 PM Pacific Daylight Time, > sec@overspianos.com.au writes: > > >> While we see the felt arranged both ways, quieter damping will be >> achieved when the plain felt is at the back. >> >> >> Ron O. >> -- > > > Good answer Ron, I always wondered about that. We generally use this > Stwy configuration of damper felt in other grands and it works well. I don't > think I've ever heard an explaination of why in vintage stwys the bass damper > felt is arranged so that the longer piece is in front and a quite small > piece in the back. I'm going to guess that they were trying to avoid a nodal > point which could hum harmonically. I frequently cut the basss felts in four > pieces in the mono chords and first 2 bichords then I go to two pieces ,the > front one being longer than the rear. This arrangement give good damping except > on some S&S A 2s which I think tmight have the dampers sitting on nodal > point. I've had some real trouble with damping in some of these. Perhaps this is > why they were discontinued in favor of the A -3. > Dale --part1_e.35093c4d.2c87e8a6_alt_boundary An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/e9/64/af/ff/attachment.htm --part1_e.35093c4d.2c87e8a6_alt_boundary-- ---------------------- multipart/mixed attachment An embedded message was scrubbed... From: Erwinspiano@aol.com Subject: Re: front or back Date: Wed, 3 Sep 2003 20:58:23 EDT Size: 3583 Url: https://www.moypiano.com/ptg/pianotech.php/attachments/09/1f/a2/da/attachment.eml ---------------------- multipart/mixed attachment--
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