Hi, I have been looking at the Rocket Mass Heaters book and would like to attempt the Pocket Rocket design. I have a couple of big barrels--can they be used for the simpler design or do the other measurements have to be adjusted somehow?
Sorry, I missed this part: "The pipe sizes will be proportional. For example, a 25- gallon drum works well with an 8˝ x 25˝ feed tube, and a 4˝ x 66˝ flue pipe." So I need to find out the volumes.
Here. Have a potato. I grew it in my armpit. And from my other armpit, this tiny ad: