Air-tight stove
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An air-tight stove is a wood burning stove designed to burn solid fuel, traditionally wood, in a controlled fashion so as to provide for efficient and controlled fuel use, and the benefits of stable heating or cooking temperatures. They are made of sheet metal, consisting of a drum-like combustion chamber with airflow openings that can be open and shut, and a chimney of a metre or more length that turns from vertical to horizontal so as to leave the tent or building by a side wall rather than the roof.
These stoves are used most often to heat tents and buildings in winter. Wood or other fuel is put into the stove, lit, and then air flow is regulated to control the burn. The intake airflow is either at the level where fuel is added, or below it. The exhaust (smoke) from the stove is usually several metres above the combustion chamber. This arrangement provides for regulation of the intensity of fire by limiting air flow, and for the fire to create a strong draught or draw up the chimney. This results in highly efficient fuel usage. They are a more sophisticated and traditional version of wood burning rocket stoves. With the advent of new tent fabrics, they have fallen out of favour because substituting nylon for canvas creates fire hazards.
