[pianotech] after ring on bass damper

[David Ilvedson]

And level the strings or if you have to pull up the ringing string...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Paul T Williams" <pwilliams4 at unlnotes.unl.edu>
To: pianotech at ptg.org
Received: 8/3/2009 12:57:26 PM
Subject: Re: [pianotech] after ring on bass damper


>Alrighty then... replace the felt and check alignment.  Dampers are such 
>tricky devils, aren't they?  I like one previous post of replacing with 
>slightly longer felt and see if that works.

>I doubt they used good felt. The better felt the better the results, eh?

>Paul
> 



>From:
>wimblees at aol.com
>To:
>pianotech at ptg.org
>Date:
>08/03/2009 01:14 PM
>Subject:
>Re: [pianotech] after ring on bass damper



>Paul

>This is on a brand new piano. 

>Wim

>-----Original Message-----
>From: Paul T Williams <pwilliams4 at unlnotes.unl.edu>
>To: pianotech at ptg.org
>Sent: Mon, Aug 3, 2009 3:21 am
>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: 
>wimblees at aol.com 
>To: 
>pianotech at ptg.org 
>Date: 
>08/02/2009 10:42 PM 
>Subject: 
>Re: [pianotech] after ring on bass damper




>Jer

>I don't think that's the problem, but I'll take a look and give it a try. 
>Thanks 


>Wim

>-----Original Message-----
>From: Gerald Groot <tunerboy3 at comcast.net>
>To: pianotech at ptg.org
>Sent: Sat, Aug 1, 2009 6:08 pm
>Subject: Re: [pianotech] after ring on bass damper

>Hi Wim, 
>  
>Have you tried checking the damper guide rail bushings?  I mean, very 
>closely?  I had this once on a Yamaha 9 footer.  It was a constant 
>problem.  Even though I had plenty of travel and I couldn't get the damper 
>to seat any better than it did and even though it lifted and dropped very 
>nicely through the damper guide rail bushing hole, (or so I thought) I 
>finally removed the damper, cleaned the damper wire, checked it to make 
>sure it was going straight up and down, it was, and then ever so slightly, 
>I reamed out the damper guide rail bushing hole.  In this case, the 
>problem vanished immediately.  Apparently, it was just tight enough, to 
>hold up the damper wire enough to allow that tiny bit of ring though.   
>  
>Jer 
>  
>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 


>avast! Antivirus: Outbound message clean. 
>Virus Database (VPS): 090801-0, 08/01/2009
>Tested on: 8/2/2009 12:08:05 AM
>avast! - copyright (c) 1988-2009 ALWIL Software.