Foundry Castings

[Alan R. Barnard]

Oo, oo, I do ... much reduced weight!

BTW Ron, when I said I stand corrected, technically I was sitting at the
time. Sorry.

Alan Barnard

----- Original Message -----
From: "David Ilvedson" <ilvey@sbcglobal.net>
To: <pianotech@ptg.org>
Sent: Tuesday, August 27, 2002 10:06 PM
Subject: Re: Foundry Castings


> Sure, go on...but I don't see anything in your list that has a compelling
property superior to cast iron...do you?
>
> David I.
>
>
>
> ----- Original message ---------------------------------------->
> From: Phillip Ford <fordpiano@earthlink.net>
> To: <pianotech@ptg.org>
> Received: Tue, 27 Aug 2002 19:28:56 -0700
> Subject: Re: Foundry Castings
>
> >> I would think that several of the leading
> >> manufacturers...Yamaha, for example
> >> would have researched this and come the
> >> conclusion that cast iron is the best
> >> material for job.  Cost included.  The material
> >> would have to be easy to machine/grind etc.
> >> What could take its place?
> >>
> >> David I.
>
> >Steel.
> >Iron alloys other than gray iron.
> >Nickel alloy.
> >Metal matrix composite.
> >Glass/epoxy.
> >Carbon/epoxy.
> >Boron/epoxy.
> >Ceramic.
>
> >Shall I go on?
>
> >Phil F
>
>