short part of stick burning rocket stove
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Cleaner Burning Rocket Stoves: Use a Fence?

Rocket stoves have been shown to be much cleaner when burning at medium power (Jetter, et al 2012, Agenbroad, 2010). For this reason, a fence located at the back of the combustion chamber in the new DOE funded Sunken Pot Rocket stove allows only 8cm of the tips of the sticks to burn. The outer portion of the stick remains too cold to make more wood gas. The stove is insulated with spirals of stainless and aluminum foil to increase the R-value and to decrease lost energy into the stove body. The riser tube above the combustion chamber is 10cm in diameter and the depth of the fuel magazine is shortened to 11cm.