Noisy Action

[Dave Bunch]

It is my experience that 75 percent of the return "clack" in Young Changs
comes from the hammer knuckles. Try roughing up and softening one of the
knuckles and see if it makes a difference.

Dave Bunch

----- Original Message -----
From: "Clark A. Sprague" <clarks11628@juno.com>
To: <pianotech@ptg.org>
Sent: Thursday, November 15, 2001 11:08 PM
Subject: Noisy Action


> Friends,  Today I was working on a Young Chang G-175 grand.  Totally
> regulated, steamed, filed and dry ironed hammers.  Actually this was done
> a couple of weeks ago, but today, I found out that somebody bought it,
> and they are a recording studio.  We tried to tell them that this was not
> the piano for them, but they liked the tone, the touch, and the price.
> The problem is that the action is noisy.
>         I steamed the whippen cushions, and it quieted them, and nicely
> removed the dents (at least for awhile, I hope).  But the back rail felt
> is the real culprit.
>         Please help me with the following:  The back 2+ inches of the
> keys are beveled off to meet flush with the felt, of which there is 2 1/2
> inches wide of the stuff.  How much width do you need back there?  If I
> replaced it with fluffier stuff, how wide should it be?  The whole 2+
> inches of the key end is plopping on the felt with a clunk.  HELP!  I
> need to deal with it tomorrow.
> Thanks a million in advance,
> Clark Sprague, RPT