The two open ends on top will connect via a chamber that will hold two pots on top that hang down 1" into the chamber. The opening on top of the insulated stack connects with the one in front that is open 3rd pic. Then gasses go down over and then up and out.
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Earthen Hand Natural Building
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Very Cool! Since it sounds like it is a little more complex than a standard RMH, do you have any cut away style diagrams that you could post to show how this works? Did you use actual cob with straw or just clay? If cob, are you concerned with the straw burning out over time?
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