Originally Posted by NCoonis
Thanks Andrew. Yeah I put the 4" pipe as high up as I could, it's just under that top corrugated bead/bump in the fire chamber barrel. I didn't want to mess with cutting a hole through that bead. There's only about 3" from the pipe to the lid of the fire barrel, so some heat is sitting up there. Maybe if I beef upy exhaust like landarc mention it will pull more of that heat through.
offsets are all about airflow, and lots of it
You may need a bigger intake than what you have also, hard to say. Do you have clean blue smoke?
What are you using for fuel? just charcoal or sticks too?