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m67 immersion heater

 
Tom Byrne
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Someone please tell me that a rocket stove/rocket mass heater couldn't be designed similar to this to heat water.

check it out:

http://www.youtube.com/watch?v=Vj9RdnqWugQ
 
R Scott
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Location: Kansas Zone 6a
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Tom Byrne wrote:Someone please tell me that a rocket stove/rocket mass heater couldn't be designed similar to this to heat water.

check it out:

http://www.youtube.com/watch?v=Vj9RdnqWugQ


It can. The "trick" is to get the burn tunnel insulated enough to burn clean and not make it so huge to overwhelm the water tank.

The same kind of product USED to exist for cattle stock tanks that used wood. It was bigger and straight because it was made to fit in a 8 foot round tank. It looked like the J tube for a rocket stove without the barrel (the riser became the chimney) but was not insulated and didn't burn as clean.
 
Andrew Parker
pollinator
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Location: Salt Lake Valley, Utah, hardiness zone 6b/7a
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Pocket Rocket?
 
R Scott
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Location: Kansas Zone 6a
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Andrew Parker wrote:Pocket Rocket?


I did that, too. 30 gallon pocket rocket inside a 55 gallon drum and sand in-between to get it to sink. It is not that efficient, though as much of the heat escapes above the water.
 
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