So, I was thinking after mucking my way through the first 2/3rd of the standard rocket oven build and shuddering at the imperfection of it all, "what if I used a 30 gallon drum nested in a 50 gal drum?" Seems like it could work, obviously a reduce volume capacity is a fact. Any logistical red flags aside from the reduced volume?
Invasive plants are Earth's way of insisting we notice her medicines. Stephen Herrod Buhner
Everyone learns what works by learning what doesn't work. Stephen Herrod Buhner