Originally Posted by soapy_junk
if i use a hole saw.. cut a 2" hole.. and use a floor flange to connect the pipe.. would that work?.. will the floor flange create a good enough seal against the outside of the drum?.. can i put some high temp silicone there or something?
I would not use a floor flange in that size. I don't think the curveture of the drum will conform well to the large diameter flange.
How about just threading a short nipple into the elbow and securing it with a 1.5" nut from the inside of the drum?