The air intake is under aplate with 2 bolts that can be tightened to close the opening. Once the intake is set it never needs to be adjusted, all adjustments are made at the stack. And once you learn how to burn a perfect fire, no adjustments are needed at all, she purs like a kitten
Jambo Backyard (Trailer Mounted)- The Quenivor
I don't use electronic gadgets while cooking for the same reason Ronnie Van Zant didn't wear shoes on stage.