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5494Re: [hobbicast] Cast Iron

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  • Ray Brandes
    Aug 7, 2001
      Where are you that it is so hot?
      -Ray, in Florida

      Marvin wrote:

      > How much should I allow for shrinkage on cast iron parts? I have
      > cast some aluminum but nothing important so I never worry about
      > shrinkage.
      > But now I am designing patterns for all the cast parts for a 3/8"
      > scale Waterloo Boy tractor and shrinkage is important.
      > I have been trying to build a home hobby machine shop but the weather
      > is just too hot to work outside for long so I have been playing with
      > a QuickCad program trying to learn how to do drafting on my puter
      > and design some patterns. Draft is no problem if I scale the parts
      > down correctically as they already have plenty of draft.
      > If it ever cools down and I get the shop finished I will build my gas
      > fired foundry and try some cast iorn casting.
      > I am finding that having fun and trying to keep busy now that I am
      > retired is a lot of work, but it's fun, no Boss watching over my
      > sholder.
      > Marvin
      > Please visit our sponsor: Budget Casting Supply
      > http://budgetcastingsupply.com/
      > The Home Foundrymen's Association website may be found here: http://members.nbci.com/HWilkinson/
      > It includes member project pages & links
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