IIRC, the project was not a cast shell, but a forged (ie stamped;
'vaccu-formed') shell. This is similar to the technology that allows
a lump of aluminum to the stretched into a soda can-- a thin, thin
shell.
--Paul E Musselman
PaulMmn_at_ix.netcom.nospam.com
>... promising an aluminum Newt!
>Hmm... titanium newt....
>
>I find this thread very interesting. I have been a Newton user for some
>time now and I am also a sculptor. I have experience in casting and
>fabricating metal. I have played around with the thought of fabricating a
>casted shell from aluminum, bronze, or something of the like. The problem
>with this, especially with aluminum, is that since the Newton shell is so
>thin, it makes it extremely difficult to pour a mold. The general rule of
>thumb that I use in my castings is that nothing is less than 1/4 inch thick
>so that everything is poured smoothly and you don't end up with an
>incomplete final product.
>
>There are plenty of other factors involved, but I will save everyone's eyes
>some reading time and say that based upon my experience in casting...this
>would be very difficult indeed and I would be more than glad to give praise
>to somebody who could actually pull it off.
>
>Kindest Regards,
>Anthony V. Jeancola
>http://www.geocities.com/newtonresurrection
>
>
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