We've been able to collect about half of the 8" stovepipe that we need for our rocket mass. In searching i've found LOTS of 10" and 6" stovepipe that is totally up for grabs. 8" is hard to come by and we've been
scrounging for a few months now only to find ourselves still quite a bit short. I'm wondering if the exhaust flow would be messed up by starting with 8" then switching to either 10" or 6" stovepipe? How would that effect efficiency and ability to warm our buns? Thanks so much for your help with this!
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