Rocket Stove Mass Heater. "heat your home with 80% to 90% less wood; exhaust is nearly pure steam and CO2 (a little smoke at the beginning); the heat from one fire can last for days; you can build one in a day and half; folks have built them spending less than $20"
Rocket Mass Heater Builder's Guide
Rocket stoven !
Ракетная печка вполне поддается усовершенствованиям
Rocket en briques
Homemade? Wood stove for heating and cooking. Interesting!
Rocket Mass Heater with visible flames
A - "chimney effect" B - Small sticks @ firebox. C - "Wood gas". Super insulated firebox / chimney trap heat @ burn zone, where combustion occurs @ 1,500ºF. D - The "burn zone". Radiant heat from walls burn flammable gasses from fuel. E - "Chimney effect". Smoke is eliminated. F - Heat strikes bottom of platter, ideal temperature (± 500º F). It then spreads out and heats the oven walls before it escapes. G - Radiant energy from oven dome bakes top of pizza. H - Hot air escapes.