moving instability

[Richard Moody]

Maybe plate bolts were loose or the plate was warped when screwed
down.
.   ---ric

----- Original Message -----
From: Stephen Airy <stephen_airy@yahoo.com>
To: <pianotech@ptg.org>
Sent: Tuesday, March 27, 2001 8:14 PM
Subject: Re: moving instability


> I remember a time several years ago my family moved
> our old Hallet & Davis 52.5" upright across the living
> room and back.  The unisons were badly out of tune in
> the middle section.
>
> --- Marcel Carey <mcpiano@globetrotter.net> wrote:
> > Hi,
> > This morning as I was tuning two U1s in a practice
> > room at the university, I used RCT for the first one
> > and tuned the other one aurally. To compare
> > afterwards, I moved the first piano so the two
> > keyboards would be perpendicular to each other. To
> > my surprise, the piano that I moved was flat (this
> > is the one I did with RCT). So, I took some
> > readings. In the new position,
> > A3= -3.4¢. I returned the piano to it's original
> > position and A3 went right back to 0¢....
> > I never thought there could be so much difference
> > just by moving the thing around.
> > So, beware,
> >
> > Marcel Carey
> > Marcel Carey, accordeur technicien
> > (819) 564-0447
> > mcpiano@globetrotter.net
> >
>
>
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