wow, 12 people that's pretty awesome performance!
That's got me pretty stoked on the idea of building a passive batch heater once I get a house again.
The way I see it all I need is about 3 old water heaters, some random pipes, and a few panes of hail-resistant glazing.
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"I got 350 heads on a 305 engine. I get 10 miles to the gallon. I ain't got no good intentions." - The Drive By Truckers.
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