Soundboard stiffening-thanks Ron-N ( Here's that response I promised. )

[Jim Kinnear]

every time I get a post from Ron, it shows an attachment . .  which does not
exist ??
never happens with anyone elses mail . .
wonder if it's some kind of piggyback nasty thing . . ?
Jim

----- Original Message -----
From: "Ron Nossaman" <RNossaman@cox.net>
To: "Pianotech" <pianotech@ptg.org>
Sent: Friday, February 06, 2004 10:01 PM
Subject: Re: Soundboard stiffening-thanks Ron-N ( Here's that response I
promised. )


>
> >I am unaware of any "referenced discussion". Please
> >direct me to it again, that I may peruse.
> >      Thank You
> >      Thump
>
> Phil Ford and I worked out why soundboard crown is not an arch, because
the
> centerline, or line of minimum stress, or centroid of the assembly is
below
> the support points. To be an arch, the centroid would have to be above the
> support points. I apparently didn't save the discussion, so I can't give
> you dates and subject line, but I think it was a couple of months ago.
>
> Ron N
>


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