Don, Please keep us posted on this procedure! Thanks, Stan On 25-Nov-09, at 10:03 PM, Donald McKechnie wrote: > Kent, > > The actions for the two pianos are similar when out of the piano but > one can feel the extra weight from the damper springs on the older > B's when the action is back in. Your response has given me some > encouragement to give the springs a try on one of the newer B's. I > currently have one of them in the shop for a Stanwood modification > so this might just be the right time! One question, do you modify > the weight of the underlever when adding springs? I want to say > there is a weight difference on the underlevers between the old and > new but I will not know until I return to the shop on Monday. I am > installing wippen support springs so I will watch out for the "let- > off bump." > > Regards, > Don > > > >> From: Kent Swafford <kswafford at gmail.com> >> Date: November 25, 2009 10:22:51 PM EST >> To: caut at ptg.org >> Subject: Re: [CAUT] Steinway dampers: The aftermath >> Reply-To: caut at ptg.org > > >> If an action is set up correctly, I believe it can handle the >> addition of underlever springs. I routinely install damper >> underlever springs with all new back actions, and even retrofit >> underlever springs when installing new dampers. >> >> The benefit of improved damping outweighs any possible touchweight >> problems, as far as I am concerned, not that I have encountered any >> such touchweight problems. >> >> It is a bit difficult to quantify touch-weight problems that might >> result from underlever springs since touchweight is generally >> considered without damper involvement at all, of course. The only >> "problem" I have ever been concerned about is on actions with wipp >> support springs. In those actions, during pianissimo playing, the >> underlever spring can seem to add enough resistance to make the let- >> off bump a bit more noticeable than "usual." But no pianist has yet >> complained. >> >> >> Kent Swafford > > > > Don McKechnie > Piano Technician > Ithaca College > dmckech at ithaca.edu > 607.274.3908 > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut.php/attachments/20091125/d2bd1d3b/attachment-0001.htm>
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