Rocket Stove Quiz

Do you know what is so efficient about a little Rocket Stove?   A: Insulating the heat chamber reduces loss of energy in the burn A: Options for insulation material: you can even use a sealed chamber of air as insulation as long as there is no movement of air in the chamber – movement of air looses energy. Easy insulation materials [that don’t burn] include perlite or hemp and lime or gritty wood ash (without any charcoal). If you want upcycled materials then you can use lightweight, non-flamable materials in approx 5mm size particles. Dense materials like sand simply …