Isn't the verdigris in bushings caused by copper-content in the oldpins ?

David Ilvedson ilvey@sbcglobal.net
Fri, 29 Jul 2005 09:43:00 -0700


I googled as per Gordon's instructions and was amused to see on the right side of the screen all these advertisements for Verdigris, i.e.

Verdigris
Get the best prices

Verdigris
Everything to do with Verdigri.

David Ilvedson



----- Original message ----------------------------------------
From: Don <pianotuna@yahoo.com>
To: Pianotech <pianotech@ptg.org>
Received: Fri, 29 Jul 2005 01:55:04
Subject: Re: Isn't the verdigris in bushings caused by copper-content in the oldpins ?


>Hi Gordon,

>Search the archives thru google.com with this in the search box:

>Verdigris site:ptg.org

>You should get about 380 "hits" many of which suggest that the only long
>term solution is total parts replacement. Your mileage may vary.

>Good luck!

>At 04:31 PM 7/28/2005 -0700, you wrote:
>>I don't understand this statement. Don. Sorry.
>>Verdigris is a copper compound, as far as I know. I
>>presumed that it was from copper used in the plating
>>of the pins ( under the nickle ) that  reacted to
>>something in the elt to cause the oxidation.
>>     Yes, brake-part cleaner works well to
>>blast/dissolkve verdigris out of bushings. But unless
>>non-copper containing varieties are used to replace
>>the pins, one can assume it will; return. At least
>>that is my assumption.
>>   Sarahhhhhhhhhhhhhh! Heeeeeeeelp!!!!
>>     Thump
>>
>>
>>--- Don <pianotuna@yahoo.com> wrote:
>>
>>> Hi Gordon,
>>> 
>>> The verdigris is not usually caused by the pins.
>>> Some folks have
>>> recommended brake (car brake) cleaner. The real
>>> "fix" is new parts--which
>>> leaves you with a dilema with the type of action you
>>> are working on.
>>> 
>>> At 04:03 PM 7/28/2005 -0700, you wrote:
>>> >I am repinning this entire Brown action to exclude
>>> the
>>> >old copper-containing center pins, which have
>>> caused a
>>> >massive verdigris buildup. Are all center pins
>>> alike,
>>> >or are some better than others --- and where do I
>>> get
>>> >them ? 
>>> >     Thanks!
>>> >     Gordon
>>> >
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>>> 
>>> Regards,
>>> Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>>> Non calor sed umor est qui nobis incommodat
>>> 
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>>
>>
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>>
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>>

>Regards,
>Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.
>Non calor sed umor est qui nobis incommodat

>mailto:pianotuna@yahoo.com	http://us.geocities.com/drpt1948/

>3004 Grant Rd. REGINA, SK, S4S 5G7
>306-352-3620 or 1-888-29t-uner

>_______________________________________________
>pianotech list info: https://www.moypiano.com/resources/#archives


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