Why were you cutting this Starr plate?

[gordon stelter]

Subject line says it all................
     T

--- Farrell <mfarrel2@tampabay.rr.com> wrote:
> I was cutting out the treble section of an old Starr
> plate the other day. I cut it by drilling many
> closely spaced 3/8" or so holes. When I was nearly
> done drilling what I thought might be enough holes
> "CRACK!". The whole area below where the bridge had
> been cracked on its own and ended up with a visible
> crack. Obviously there had been quite a bit of
> stored tension in the plate.
> 
> Terry Farrell
>   
> ----- Original Message ----- 
> From: <JIMRPT@aol.com>
> To: <pianotech@ptg.org>
> Sent: Wednesday, March 05, 2003 10:29 PM
> Subject: verrry interesting!! :-)
> 
> 
> > We have often spoken of plate stress and how it is
> transferred to other 
> > sections/notes as a string(s) broke or were
> loosened. I have never seen a 
> > better example than the little Apollo grand I am
> removing the strings 
> > from.......
> > The bass strings are out and I was in the process
> of removing tension from 
> > the tenor section.....when 'pong''' a string broke
> in the octave 5/6 
> > section!! as I kept removing tension from the
> tenor, strings kept popping in 
> > the 5/6 area...a total of six altogether
> >  As I was relieving tension in the 5/6 area the
> strings in the top section 
> > 6/7/8 starting breaking also !!
> >  Now the strings that broke were all kinda really
> rusty and broke fairly 
> > easily but I thought it was a perfect example of
> plate stress and stress 
> > transferance............
> > I have never had this happen to me before.
> > 
> > Jim Bryant (FL)
> > p.s. the plate is a full perimeter plate.
> > _______________________________________________
> > pianotech list info:
> https://www.moypiano.com/resources/#archives
> _______________________________________________
> pianotech list info:
https://www.moypiano.com/resources/#archives


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