VERDIGRIS IS COPPER CORROSION, GRRRRRRRRRR!

[Horace Greeley]

Warren,

It wasn't tallow, mutton or otherwise, it was paraffin.  Which was followed 
by a dose of whale oil in final regulation and voicing just as the 
instruments were getting ready to be shipped.

Horace


At 06:19 PM 7/29/2005, you wrote:
>Thump,
>The same pins are used in other pianos besides Steinway and never have
>verdigris.  I was told years ago that the pins were dipped in mutton tallow
>or something and that triggered the corrosion, or maybe the bushings were
>soaked in something before being installed in the flanges.  It's kind of
>like VooDoo.  I don't think anybody knows for sure.  Calm yourself.  Life
>is too short! :-)
>Warren
>
>Warren Fisher- RPT
>Navy Retired - Slidell, Louisiana
>98 2500 Dodge Cummins TD, DTT Auto, Smart Controller, E-Brake,  ATF, EGT,
>and Boost gauges, Mag Hytec tranny and differential pans, Aux. tranny
>cooler, 4" exhaust, monster air filter, engine 125 hp upgrade.
>02 Titanium fiver 28E33, aerodynamic front end, 2-120W solr panls,
>Friendship 2000 invrtr,
>four Lifeline absorbed glass mat battries, Honda 5000 genset
>
>
> > [Original Message]
> > From: gordon stelter <lclgcnp@yahoo.com>
> > To: Pianotech <pianotech@ptg.org>
> > Date: 7/29/2005 7:37:19 PM
> > Subject: VERDIGRIS IS COPPER CORROSION, GRRRRRRRRRR!
> >
> > THAT'S NOT WHAT I ASKED !!!!!!!!!!!
> > VERDIGRIS is an oxidation of COPPER without COPPER it
> > CAN NOT EXIST!!!!! In the felt, or the pin. Probably
> > the pin. So what is the composition of pins today, so
> > that it can't arise. SIMPLE QUESTION!
> > Sheesh!!!!
> >      Thump
> >
> > --- Don <pianotuna@yahoo.com> wrote:
> >
> > > 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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> > > >> protection around
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> > > >> >_______________________________________________
> > > >> >pianotech list info:
> > > >> https://www.moypiano.com/resources/#archives
> > > >> >
> > > >> >
> > > >> >--
> > > >> >No virus found in this incoming message.
> > > >> >Checked by AVG Anti-Virus.
> > > >> >Version: 7.0.338 / Virus Database: 267.9.6/59 -
> > > >> Release Date: 7/27/2005
> > > >> >
> > > >> >
> > > >>
> > > >> 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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> > > >
> > > >
> > > >--
> > > >No virus found in this incoming message.
> > > >Checked by AVG Anti-Virus.
> > > >Version: 7.0.338 / Virus Database: 267.9.7/60 -
> > > Release Date: 7/28/2005
> > > >
> > > >
> > >
> > > 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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> >
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>
>
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