Quieting Grand Action Noise

[Isaac OLEG SIMANOT]

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Hello;
The whippen heel felt is a good transmitter of noises when worn. Seems to
amplify every other action noise.

In a quick  fix moist and apply a hot iron ,will soften the cushion .

For replacement it is good to fond a nice woven action felt, as the
originals are not always lasting long.

Regards.

Isaac
  -----Message d'origine-----
  De : owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]De la part de
Kdivad@AOL.COM
  Envoyé : mercredi 19 septembre 2001 20:23
  À : pianotech@ptg.org
  Objet : Re: Quieting Grand Action Noise


  In a message dated 09/19/2001 1:10:03 PM Central Daylight Time,
MERRILLPIANO@AOL.COM writes:



    List:

    The noise of the action parts settling after releasing the keys on a
client's 1978 Baldwin R is more noticeable the last few years after it was
moved to the desert in Grand Junction from Florida.  I noticed the same
thing on my 1970 Yamaha G3 after moving here from San Francisco.  The back
rail felt on the Baldwin looks pretty compressed compared to the ends that
are not receiving the blows from the key ends.  On the Yamaha, the back rail
felt still seems pretty cushy and I think a lot of the noise is from the
knuckles bouncing/hitting on the rep lever.  Hammer flange friction on both
pianos is 4-7 swings, so those aren't rattling I don't think.

    Any thoughts and experience others have on trying to quiet actions would
be appreciated.  Once knuckles get hard, can they be softened?  How? Does
replacing back rail felts help much?

    Come to think of it, I also have a client with a brand new 6'1"
Kohler/Campbell(Samick) that makes a big racket when releasing the keys, and
a Baldwin M at the college and .....  :)

    Thanks!

    Tom Merrill, Associate
    Grand Junction, CO







  Tom, I have found the number one cause of noisy actions after releasing
the keys to be the capstan felts, I just replace them.  The back rail felt
can be packed but doesn't usually make to much noise.  Also when going to a
dry climate it can be good to check how well the key frame is bedded.
  David Koelzer
  DFW

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