cracked plate strut

[Delwin D Fandrich]

----- Original Message -----
From: "Robert Goodale" <rrg@unlv.edu>
To: <pianotech@ptg.org>
Sent: August 29, 2002 8:44 AM
Subject: Re: cracked plate strut


> DO NOT weld on a piano plate!  The success rate is not good because of
> the way that cast iron expands when it gets hot, particularly when it is
> connected on all sides such as on a strut, (an excellent class was done
> on this by a metallurgist at the Reno convention).  I highly recommend
> the Lock N' Stitch pins.  This works in most cases, and after filling
> and painting it will look completely normal.  It is a truly amazing
> system.  This topic has been covered several times so look up Lock N'
> Stitch in the archives.  You can also look up the web page at:
>  http://www.locknstitch.com/


I keep hearing this yet, so far as I know, every plate--and that is quite a
few now--that we've had welded is still giving good service.

The choice of what repair method to use really depends on where the crack
is.

Del