Originally Posted by GlobalTJB
norcos design is pretty much all you need to know to build one. Everything else is fine tuning the drum and basket to their needs or modifications they did. some people use different sized intakes, valves, grill height from bottom, etc. the key is basket is 3" off of the bottom with the air intake below. THe 24" rule for the first food grate is debatable. mine is less so i can fit two grates.
I agree with GlogalTJB. Experiment. My grill is only 18" above the basket and as long as I keep the temps around 200F +- I am good. Low and slow is the key my friend - hey.