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
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