A year after the Rocket MassHeater Jamboree where he built it Kirk Mobert (aka Donkey) sat down with me to talk about this innovative Rocket Mass Heater designed to heat a small space without overheating it. $100 in bricks (if you can't scrounge them) and mud and cow manure and ashes. No barrel. No high tech materials.
She'll be back. I'm just gonna wait here. With this tiny ad:
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