String breakage

[John Ross]

Hi Lance,
I find that the upper treble, that go under the bar, have a more
extreme bend.
I usually find that they need to be changed, and when they start
breaking again, restring completely.
Be sure and remove the string cuts, and lubricate the bar with
paraffin wax as per Roger Jolly's suggestion.
Regards
John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
----- Original Message -----
From: "Lance Lafargue" <lancelafargue@bellsouth.net>
To: "Caut (E-mail)" <caut@ptg.org>
Sent: Thursday, February 20, 2003 10:24 AM
Subject: String breakage


> Hi,
> I'd like some feedback on everyone's experience with piano wire
life/string
> breakage and the need to restring pianos.  I have a University with
several
> Steinway and a few Baldwin D's and B's and they are breaking strings
in the
> treble.  I actually occasionally break them myself when tuning and
broke one
> once when I was string voicing/leveling.  They break at the V-bar.
Many of
> these pianos are only 7-15 years old.  I used to think it was from
worn
> hammers hitting the wire too close to the bar, but even after
filing, they
> are breaking.  Breakage is over more than one wire gauge.  These
pianos get
> heavy but probably not unusual University use.  Thanks in advance.
> Questions:
> -Does the wire get weakened at the V-bar over time?
> -Is it expedited when the hammers aren't filed regularly?
> -How often should a University teaching piano need restringing?
> -Should they be always completely restrung or just areas where they
are
> breaking?  Same pins in a partly restrung area?
>
> Lance Lafargue, RPT
> Mandeville, LA
> New Orleans Chapter, PTG
> lancelafargue@bellsouth.net
> 985.72P.IANO
>
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