Stevan Covic wrote:I also thought that if we built the heat riser out of bricks there would be no need for additional insulation.
Stevan Covic wrote:All the ducts are the same diameter. What I could do, is reduce the diameter of the burn chamber.
Stevan Covic wrote:There is no special connection from the barrel to the exit flue. There is just a hole in the bottom of the barrel that fits on top of an L shaped pipe connector and then goes into the thermal mass. I could possibly dismiss the L connector, and build a wider one out of bricks, to prevent a bottleneck.
is the best statement on RMH that I have seen yet !
a proper running rocket heater isn't an plain toy. It looks deceitfully simple but it isn't, more a wolf in sheep's clothing when built the right way