I'm having a solid tube made, been more than a week & the machinist hasn't started it yet sooo I thought I'd make one just to satisfy my anxiety. I went to the plumbing supply, bought a 12" piece of 2" copper pipe & a 2" cap for about $10. I went across the street to a radiator repair shop & paid them $5 to silver solder the two parts together. I had found a place earlier that sold insulation which I had bought a scrap piece for $5....the rest was nickle & dime stuff. I started this on Friday afternoon, gathering parts & by Friday night was ready for a dry run. Here are the pics:
the first thumbnails are a test run & note the meter is out of cal.
after 5hrs of dice, the only ice was at the top of the tube, none anywhere else:
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