Solar cooking news archive 2015 Solar Cooking Fandom
Six liters of water brought to a boil with only 350 g of wood Dieter Seifert writes Today I have made tests with the Ben 2 and 3 Ben Firewood Stoves It is almost unbelievable but the efficiency is always higher than 40 and if one does not heat up too fast ie the power under 15 kW is the result is almost no smoke and approximately