The drum, its had food grade silicone fluid in it.
Installed bolts to hold the grates.
The burn out.
Almost done with burn out
After done with the burn out, I washed it done while still hot and it worked just like a steam clean.
Installed 1" chase nipples and rigid conduit couplings for the air vents.
Installed ball valve for air control.
Built a fire box
Found a wok at a local Oriental grocery store, make it work perfect for a grease catch.