[pianotech] after ring on bass damper

[David Ilvedson]

Steve Brady mentioned using a needle nose type pliers for this...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Joe Goss" <imatunr at srvinet.com>
To: pianotech at ptg.org
Received: 8/3/2009 2:07:53 PM
Subject: Re: [pianotech] after ring on bass damper


>Wim and all,
>Forgot a trick that sometimes works. Move the open string sideways toward the 
>damper. Like you would when leveling strings. Be sure you lift the dampers before 
>pressing the string toward the way you need to improve damping as one can worsen 
>the situation.
>Joe Goss BSMusEd MMusEd RPT
>imatunr at srvinet.com
>www.mothergoosetools.com
>  ----- Original Message ----- 
>  From: Laura Read 
>  To: pianotech at ptg.org 
>  Sent: Monday, August 03, 2009 11:14 AM
>  Subject: Re: [pianotech] after ring on bass damper


>  Wim,

>   

>  I ended up replacing the felts on those dampers I was having trouble with last 
>month. I don't know why it would help your challenge, but nevertheless I was 
>pleasantly surprised when it helped mine.

>   

>  Laura Read

>  "Ringing On"

>   

>  From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf 
>Of Paul T Williams
>  Sent: Monday, August 03, 2009 7:21 AM
>  To: pianotech at ptg.org
>  Subject: Re: [pianotech] after ring on bass damper

>   

>  Wim, 

>  Are the damper felts crusty or have corrosion on them? Lifting straight up and 
>down or twisting?  Maybe replace the felts. 

>  Paul 
>    
>  From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf 
>Of wimblees at aol.com
>  Sent: Saturday, August 01, 2009 11:04 PM
>  To: Pianotech at PTG.org; caut at ptg.org
>  Subject: [pianotech] after ring on bass damper 
>    
>  I've got a Kohler & Campbell 5'9" grand that has very noticeable after ring on B1 
>and C2. At the convention I asked Roger Jolly about it, and he showed me how to 
>"voice" the damper felt, by sticking a long needle into the felt, first from the front, 
>and then from the back. He demonstrated this technique on several notes on a 
>couple of different pianos, and it worked quite well. But yesterday I went to the 
>piano in question, and tried to do the same thing. I got the damper to work a little 
>better, but there is still a lot of after ring. 

>  This is not a sympathetic vibration coming from another string. The damper is 
>properly seated, with plenty of follow through. The actual ring of the string stops, 
>but there is excessive after ring. It goes away when I put just a little bit of pressure 
>on the damper head.

>  I'm open to other suggestions. 
>  Willem (Wim) Blees, RPT
>  Piano Tuner/Technician
>  Mililani, Oahu, HI
>  808-349-2943
>  Author of: 
>  The Business of Piano Tuning
>  available from Potter Press
>  www.pianotuning.com 


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