----- Original Message ----- From: "Newton Hunt" <nhunt@optonline.net> To: <pianotech@ptg.org> Sent: August 27, 2002 12:55 PM Subject: Re: Foundry Castings > Sure it has a lot to do with why it is in pianos. If it were hard to > machine and if it was expensive it would not be in pianos. The other > reason is that it has proven it's merit for our purposes and those who > chose a different material have ended up regretting it. I am sure there > were lots and lots of plate failures before they got the specs right. Besides aluminum what else has been used? Steinways steel castings--and what was wrong with them? Also the wrought iron of the fortepiano era. Del
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