- Aug 6, 2001How much should I allow for shrinkage on cast iron parts? I have
cast some aluminum but nothing important so I never worry about
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
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