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Subject: Re: A casting of aluminum with a copper tube
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Date: 06/29/00 at 9:29 PM
Posted by: Lee
In Reply to: Re: A casting of aluminum with a copper tube posted by Lance on 05/31/00 at 10:08 PM:
I know you are looking for a solid block, but if you were to make the block in halves, you could mold the holes in a number of different forms including a spiral around the heater insert (using cores). Facing off the surfaces would give you a good seal and the internal holes could be tapped right into the block for external fittings.
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