Foundry Castings

[gordon stelter]

Good luck Del. I hope it works well and sounds
wonderful!
     Gordon Stelter
--- Delwin D Fandrich <pianobuilders@olynet.com>
wrote:
> 
> ----- Original Message -----
> From: "David Ilvedson" <ilvey@sbcglobal.net>
> To: <pianotech@ptg.org>
> Sent: August 28, 2002 11:10 PM
> Subject: Re: Foundry Castings
> 
> 
> > I guess I've got to wonder would it make a bit of
> difference in the
> outcome of the piano?  Would a steel, ceramic
> whatever plate be worth it?
> >
> > David I.
> 
> Obviously, I think steel is worth the trouble and
> expense. Our steel plates
> will be somewhat more costly than comparably sized
> cast gray iron plates.
> (Of course, I don't have to make [or pay for] a
> plate pattern either.) As
> with most things, the high cost is primarily due to
> our anticipated very low
> volume. In high volume--with the appropriate
> (expensive) equipment--the cost
> of the steel plate becomes much more competitive. In
> any case I think the
> advantages of steel outweigh the added cost of
> fabrication.
> 
> And, in my opinion, the relative lack of damping in
> steel is a decided plus.
> I don't particularly want the plate absorbing all
> that energy from the
> strings. Which is exactly what happens with the high
> damping factor of gray
> iron.
> 
> I don't know enough about working with ceramics to
> hazard even a wild guess
> about what one would cost. If I win the lottery I'll
> try one out. (Oh...do I
> have to buy a ticket to do that?)
> 
> Del
> 


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