Originally Posted by Norcoredneck
Trouble with a clased head drum is that the metal is kinda thin. It deforms pretty easy. Marks drum was Stainless and I would bet is thicker. Those numbers you see on the side are a type of DOT code18/20/20/12 (top/body/bottom/ring) These actually tell what specs. UN1A2/Y425/S; UN1A2/Y1.2/100
It seems to work on standard steel drums. Ashmont and I built one about a year ago based upon this approach. It also has a diffuser plate made out of the top we cut out. With a diffuser plate in between the basket and bottom, there is no heat to warp anything.