I love the detail in this write up. I wish I weren't so afraid of electricity, I would build this in a heartbeat. My goal is a propane one heating a 55 gallon drum this summer. This is awesome, and I hope to see many follow in your footsteps!
It is good to afraid of electricity and i have been zapped and vibrated many times, even as a child.....electricity demands respect that's for sure. Basic electrical work is simple and safe you just need to understand continuity and with reverse polarity in the US its hard to mess up basic electrical work as far as connecting hot, neutral, and ground wires.
I would love to run a propane burner but i would need to find away to operate it like a gas furnace which I believe is possible but would get expensive I think.
Are you going to submerge the sub in the water?
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