Rocket Stove is an efficient cooking stove using small diameter wood fuel which is burned in a simple high-temperature combustion chamber containing a vertical chimney and a secondary air supply, which ensures almost complete combustion prior to the flames reaching the cooking surface.
Dr. Larry Winarski is the "father" of rocket stove technology, which is the heart of this stove. Winiarski, Technical Director of Aprovecho, began developing the Rocket Stove in 1980 based on a VITA stove, designed by Sam Baldwin,and re discovered the principles of the systems developed by the Romans in hypocaust heating and cooking systems. A precursor to the rocket stove was the argand lamp, which was patented in 1780. This was a major development of the traditional oil lamp, which introduced a glass chimney above the flame to increase air-flow. As well as being used for lighting, this design was also used for cooking and heating water due to its "affording much the strongest heat without smoke".
Larry continues to mentor, innovate, and educate in efficient energy technologies. His designs have improved the lives of millions of people.
Winarski design won Ashden Awards in both 2005 and 2006. Interest in rocket stoves has led to the development of rocket mass heaters and other innovations.
Compared with traditional open fires, rocket stoves can be healthier and more efficient. They reduce smoke and harmful emissions, use less fuel wood, and increase the amount of energy from the wood that is turned into heat energy.
The rocket stove was originally developed for cooking, where a relatively small amount of continuous heat is applied to the bottom and sides of a cooking pot. Stoves can be constructed from brick, recycled steel cans, or steel sheet metal, or can be purchased. The rocket mass heater uses the rocket stove principle within a system designed to both heat air directly and also to transfer much of the heat from the flue gases into a thermal energy storage, often made of cob. Described in detail in 2006, these heaters are becoming popular with DIY builders, in natural buildings and within permaculture systems.
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