Why are supposed to rake the coals to the front of the stove? I usually just rake mine around to knock the ash to the bottom...
geardoc said:Why are supposed to rake the coals to the front of the stove? I usually just rake mine around to knock the ash to the bottom...
LLigetfa said:As a fire burns bottom up, there is incomplete combustion that needs enough heat for the secondaries to burn. In a front to back fire, the unburned gasses circle back around through the fire, assuring more complete combustion. Essentially, less smoke and cleaner glass/chimney.
LLigetfa said:The zipper air is a more direct source of primary air. It is more focused and forceful like using bellows, to help promote the fire and accelerate the burning down of coals. The primary air from the air wash is preheated air that is made to go in an unnatural direction down the inner face of the glass and so has a lazy pattern. The air wash also tends to draw some of the combustion gasses down with it to reburn.
Too much zipper air and the fire tends to run a little wild. Not enough and the coals tend build up. I added a control to my zipper air so I can have the best of both, longer slower burns and quicker burns for coal reduction.
Poook reincarnate?ripe said:http://www.ec.gc.ca/cleanair-airpur/default.asp?lang=En&n=8011CD70-1 watch video & dig the logic= fire is made on front,firebox is filled with wood. airwash primary air is open so to burn from the front into the load which will evaporate water @ 212*f & pyrogas @ 550*f. when hot enough, the primary is cloosed, the tubes are flaming & the load burns from the top down as it boils off the gases. if the load is placed on a bed of coals, the pile is heated from the bottom up which may result in too much offgassing for the available combustion air coming thru the secondaries which will result in a faster burning of the load & uncombusted CO, which is invisible, in the smoke
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