David Huang wrote:I agree that having the second small door to allow for longer lengths of rod seems worth the effort, even if it is only a firebrick plug.
I also agree that shifting the sides the doors are on so that a rod inserted through them would run perpendicular to the line of the J tube is the way to go. No need to create obstructions to feeding the fire.
William Bronson wrote:
A note on the crucible.
One of the smelters I've seen tosses their aluminum directly into the flames and collect it when runs out of the burn chamber.
This seems very effective.
Chris McClellan wrote:This is from Rodney. He would like to use a venturi effect from a shopvac to boost the airflow.
Wikipedia wrote:increasing the pressure ratio increases the compressor discharge temperature
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