Rebushing centers/mystery center pinning

[Barbara Richmond]

Have you really heard flanges squeak?  Key bushings yes, but I've never 
heard centers.  Hmmmm.

Barbara Richmond

----- Original Message ----- 
From: "David Ilvedson" <ilvey@sbcglobal.net>
To: <pianotech@ptg.org>
Sent: Saturday, December 11, 2004 2:46 PM
Subject: Re: Rebushing centers/mystery center pinning


> Glue wicking into flange bushing cloth is a source of squeeks.   The CA 
> glue isn't causing this problem?    Because it is so diluted?
>
> David I.
>
>
>
> ----- Original message ---------------------------------------->
> From: Robin Hufford <hufford1@airmail.net>
> To: Pianotech <pianotech@ptg.org>
> Received: Sat, 11 Dec 2004 13:29:39 -0600
> Subject: Re: Rebushing centers/mystery center pinning
>
>>Hello Richard, Don and Barbara,
>>A  few more comments interposed.
>>     First, I did try today the use of alcohol as a wetting agent;  it
>>was useless as it served  only to accelerate the reaction and
>>immediately harden the mixture as Don Rose predicted it would.  Also,
>>while applying it to a piece of bushing cloth as Barbara considered
>>doing it was obvious that there really was no need for a wetting agent
>>as it disappeared almost instantaneously  upon being dripped onto the
>>cloth. There was no discernible puddling or lag time.   Again, this was
>>a Don predicated.  Two for two.  It may be however, that the
>>penetrabilty of this mixture may be different in a bushed flange whether
>>the pressure in the bushing may have to be taken into account.  The
>>obvious effect of this stuff was to stiffen and harden slightly the
>>cloth as I intended.
>