Balance rail punchings, resisance on 'tip".

[Joe And Penny Goss]

Accelerated action?

Joe Goss RPT
Mother Goose Tools
imatunr@srvinet.com
www.mothergoosetools.com
----- Original Message ----- 
From: "gordon stelter" <lclgcnp@yahoo.com>
To: "Pianotech" <pianotech@ptg.org>
Sent: Sunday, September 04, 2005 10:09 AM
Subject: RE: Balance rail punchings, resisance on 'tip".


> On this otherwise horrid Chickering Brown action I am
> doing, there is one notable "plus" -- a faint
> depression routed in the balance rail, just behind of
> the punchings', lead edge. There has been discusssion
> here about clipping the front edge of BR punchings so
> that they offer no increased resistance to the keys'
> tilt. But then they need to be secured in place, so
> they don't rotate.
>      This faint trough, about 1/64" deep, achieves the
> same result.
>      Thump
> 
> 
> --- Don Valley <dvalley1@bellsouth.net> wrote:
> 
> >  I do not believe pianos were done without balance
> > rail punchings.  I have
> > seen them totally eaten away and/or removed by a
> > previous (technician?).  My
> > advice is to determine the correct key height, then
> > add at least the thin
> > punching, preferably with a .010 punching under each
> > one in order to be able
> > to adjust the key level downward, if necessary, when
> > you do your final
> > leveling.
> > A piano without balance rail punchings would be
> > somewhat noisy, to say the
> > least.
> > Don Valley
> > 
> > -----Original Message-----
> > From: John Delmore [mailto:johndelmore@cox.net] 
> > Sent: Saturday, September 03, 2005 11:13 PM
> > To: pianotech@ptg.org
> > Subject: Balance rail punchings
> > 
> > Hi all:
> > Today, I got into the Brinkerhoff "lab" piano--just
> > a thourough cleaning
> > right now.  I noticed that there are no felt
> > punching on the balance rail:
> > is this common for circa 1925 pianos (sn 114743 if
> > any of you kind folks
> > have an atlas handy)?  I'm guessing I shouldn't
> > "add" felts where I don't
> > find them.
> > John Delmore
> > 
> > 
> > 
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> > 
> 
> 
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