How long does the fuel last in the USD?
Also how does the USD hold Temp lets say 225° How many vents do you need? I'm thinking 4 around the btm of the drum. What do you use for a sealant?
Instead of ball valves can you put vent on the btm of the drum?
Do you need to have a gasket around the top?
Smoke a fatty, Eat a Fatty, $hit a Fatty...LOL