Ashley Lybyk again with a half built rocket mass heater that he and Rob Avis made to show Green Energy Futures how it works. You can see the wood sticking out of the combustion chamber and the chimney rising above the partially constructed heater.

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Ashley Lubyk tends the fire on a half-completed rocket mass heater. This shows the combustion chamber before the barrel and thermal mass have been added.

Ashley Lubyk tends the fire on a half-completed rocket mass heater. This shows the combustion chamber before the barrel and thermal mass have been added.