Upright and Grand rims, was: Impressive Steinway Upright

[Delwin D Fandrich]

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----- Original Message -----
From: "Tony Caught" <caute@optusnet.com.au>
To: "Pianotech" <pianotech@ptg.org>
Sent: September 15, 2002 6:14 AM
Subject: Re: Upright and Grand rims, was: Impressive Steinway Upright


> >
> I am referring not to the rims construction but to the location of the
edge
> of the soundboard in relation to the bridges. Naturally the rim is
important
> to be solid but that is another tonal issue relating to the soundboard but
> not this one.
> Cost is the deciding factor in upright pianos. It is easier to not have
any
> cutoff bars (cheap pianos) Next a straight cutoff bar at the top left hand
> side corner (medium price pianos) Next a shaped cutoff bar at the top left
> hand side corner with a shaped cutoff bar between the treble and bass
> bridges. (expensive pianos, mainly old expensive pianos. Next ask Del, he
> may let go with some super secret shape that he has in his mind that
hasn't
> been fully developed yet.

Hi Tony,

Good (no, excellent) explanation so far.

But it's not any super-secret shape--though it is patented--and it has been
pretty well developed. A jpg drawing of the soundboard assembly as used in
our upright is attached.

Del


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