Quote:
Originally Posted by 1_T_Scot
3 1" nipples have an equivalent flow area of about 9.45
4 1/2" nipples have an equivalent flow area of 6.28
So would you need 2 more to get enough air?
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Usually the drums with the one inch nipples only need one cap off and maybe crack the valve one other one.
If I open 2 and a half or three and a half intakes the temp goes to high. Maybe this drum just doesnt like BBQ.