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40811Re: cement sand mold

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  • oldstudentmsgt
    Jan 10, 2011
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      Thanks, Ernie. That is what I thought, so you've confirmed that it thought this one out corectly, at least! ;)

      Who knows, one of these days maybe I'll actually know what I'm doing most of the time. If I live long enough, anyway.

      Bill in OKC

      --- In hobbicast@yahoogroups.com, "ferrman1001" <ferrman1001@...> wrote:
      > The surface plate is 10.5" x 10.5" wide and 1.5" deep. Because of the shape with deep cores and amount of shrinkage over 10.5" it would be impossible to extact the casting without damanging the mold. Also because of the shrinkage the mold will crack in many places making the mold useless to use again.
      > Ernie
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