Perfect for outdoor stove, finished the gas cartridge and spare, with a log 15 cm long, 4 cm in diameter charged in 2 sections, split into 4, I can heat 0.75l of water at 15 ° C lamener and boiling in 7 minutes. Problems with fumes at startup, normal, time that the dual combustion starts after no smoke. Fouling of the bottom of messes .... it's still firewood, depending on humidity, the wood used ... Also, weight, space in the bag, better, compared to gas stove.