evaluating sdbd. crown & bridge downbearings in a new piano

[Richard Brekne]

Delwin D Fandrich wrote:

>
> > >Frank writes:
> > >
> > >I don't know of m(any) major piano manufacturers who use rib crowned
> > boards.
> > >
> > >
> > >Hi Frank,
> > >
> > >I hope you will not be offended by my response, but on my visit to the
> > >Baldwin plant in Conway, Ark. last year, (they were making the grands
> there
> > >at the time), they were indeed using a rib crowned board.
> > >
> --------------------------------------
>
> The Walter 190.  At least that is the way I designed it.  I assume that it
> still does.  Our own vertical piano did -- although, of course, we were
> never major manufacturers.  Also, several European pianos use them.
>
> Del

Mind telling us which European pianos we are talking about ? :)  I'd also like
to know if there is some way one can "see" this by examining a soundboard
(aside from compression ridges; which I suppose could actually occur in a rib
crowned board as well when it comes right down to it).

Richard Brekne
I.C.P.T.G.  N.P.T.F.
Bergen, Norway