Rebushing centers/mystery center pinning

David Ilvedson ilvey@sbcglobal.net
Sun, 12 Dec 2004 12:07:13 -0800


One more thing to listen for...;-]   I find this especially on Asian pianos...

David Ilvedson



----- Original message ---------------------------------------->
From: Robin Hufford <hufford1@airmail.net>
To: Pianotech <pianotech@ptg.org>
Received: Sun, 12 Dec 2004 13:54:38 -0600
Subject: Re: Rebushing centers/mystery center pinning

>Actually, neither have I.
>Regards, Robin Hufford

>Barbara Richmond wrote:

>> 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.
>>>
>>>
>>
>>
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>>

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