Ok, I have been looking for plans to build a chaff collector for my large roaster. The one I am thinking of may basically be just a drum that the smoke goes through and the chaff settles out into (clean out door at the bottom) but I have not found one to inspect or plans anywhere online. I did find a cool afterburner plans but at like $1500 in parts and the potential to melt steel I think I will hold off until later on that one.
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"Today is a GREAT day outside"