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  1. B

    First time designing sterling engine Looking for advice

    I use bronze for the cylinder, graphite for piston. Cast iron rusts causing drag.
  2. B

    Why a forum on disabilities?

    HI. I am 88 and standing is painful. My shop is arranged like a pilots cockpit. A workbench with a Sherline lathe and milling machine. Both light enough to pull around as desired. On the left is a big multi drawer tool chest. I am in the middle in a roller chair. and behind me is another...
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