----- Original Message ----- From: "Ron Nossaman" <RNossaman@cox.net> To: <pianotech@ptg.org> Sent: August 27, 2002 5:46 PM 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. > > It depends on a few basic assumptions. Do you want to build it up, mill it > out, or cast it? > > Ron N Besides, with modern computer controlled metal-working machines and cutting tool technology any of this stuff can be fairly easily machined and drilled. Del
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