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Post by christophe on Mar 31, 2024 5:02:08 GMT -8
Hello, I am building a J rocket stove without mass. i made it fully in metal because it needs to be transportable. It works very well the first hour, but when it starts to be very hot, the feeding tube heats up and the wood inside it start to pyrolyse inside the feeding tube. There is no smoke because the draft leads the smoke inside the rocket stove and burns, but this is very troublesome. This is not my first rocket stove, but this has never happen before. Do you have any idea why? Here is some photos and video and the dimensions. The front hatch is only to start the fire, afterward I close it. Thank you for your help
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Post by christophe on Mar 31, 2024 7:28:18 GMT -8
Usually, it is the draft that cool down the feeding tube. but because the feeding tube is welded with the combustion chamber, the heat from the combustion chamber goes to the feeding tube. I removed the feeding tube and will make a new one with a mix of vermiculite and refractory cement (ciment fondue). I hope, it will fix the issue. If you have any other idea, please, let me know.
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