It may have been covered but when constructing the RS, does there need to be some sort of concave apparatus in the barrel to help deflect the fire to the reburn areas and how long will these barrels last before burn though etc?
no the barrel bottom works just fine; 17 years and counting.
Need more info?
Ernie and Erica
Wood burning stoves, Rocket Mass Heaters, DIY,
Stove plans, Boat plans, General permiculture information, Arts and crafts, Fire science, Find it at www.ernieanderica.info
Acetylsalicylic acid is aspirin. This could be handy too: