<html>  <head></head> <body>  <DIV></DIV> Thanks Bill, I don't think changing out the damper felts is an option. The dealer won't spring for it , and I doubt that Yamaha will either, and the client surely wont.  I think I'm going to go for cutting down the lift .   Thanks, RU/UP  <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">-------------- Original message from "William R. Monroe" <pianotech@a440piano.net>: -------------- > Well, Rick, > > I must say I would be inclined to concur with the pedal being excessively > "thumpy." I just serviced a Yamaha C1 today. The thump of the dampers was > really quite bothersome. No amount of limiting the damper travel would do > anything here. The felts are in quite good condition, but are a bit firmer > than I usually see. > > My gut is that to make the thumping end, you'll need new (different) damper > felts. In my case, it is definitely the damper felts creating the noise, > but I would check to see what kind of shape the felts in the pedal box are > in and how absorbent they are. I often find poor felts in the pedal box can > contribute to that thumping noise. > > Hope you are able to remedy the problem. > > Regards, > William R. Monroe > > > > > ----- Original Message ----- > From: "Horace Greeley" <HGREELEY@STANFORD.EDU> > To: "An open list for piano technicians" <PIANOTECH@PTG.ORG> > Sent: Wednesday, January 11, 2006 8:31 PM > Subject: Re: thumping dampers > > > > > > Rick, > > > > Putting aside for the moment the "why bother?" that immediately > > springs to mind when recording with an instrument like this is > > mentioned, I generally agree with Dale. Nothing is going to stop > > noise from the assembly when the foot is simply lifted quickly off the > pedal. > > > > What you might also find helpful is to replace some/most of the > > harder felt and leather stop-blocks in the damper mechanism. It > > won't fix the whole problem - and - it definitely means that you will > > be revisiting the instrument to replace the softer material which > > wears out much more quickly, it might help. > > > > Hope there is something of value for you here. > > > > Best. > > > > Horace > > > > > > At 06:12 PM 1/11/2006, you wrote: > > > Ahh yes but it could be his pedaling technique. I've seen some > > > fine pianist with horrible pedal technique. They can make a > > > nominally set of of quit dampers start to sound like a bass drum > > > specially on a Steinway..which they're not used to. He probably > > > doesn't need a spring surgery but quite possibly his technique > > > needs attention....... JMO > > > > > > Dale > > >Hi Listers, > > > > > >Client with a new Yamaha ga-1 is complaining that the dampers make a > > >thumping noise when his foot is taken off the sustain pedal. He is > > >doing some recording and it is very noticable to him. Other than > > >changing the spring to one with less tension , what would be a > > >solution to his problem? > > > > > >Thanks, > > >Rick Ucci/Ucci Piano > > > > > > > > > > > > +++++++++++++++++++++++++++++++ > > Horace Greeley > > Systems Group > > Controller's Office > > Stanford University > > > > 651 Serra St., RM 100 > > Stanford, CA 94305 > > > > voice: 650.725.9062 > > fax: 650.725.8014 > > ++++++++++++++++++++++++++++++++ > > > > > > > _______________________________________________ > Pianotech list info: https://www.moypiano.com/resources/#archives </BLOCKQUOTE>  </body> </html>