tjdaggett Posted August 7, 2020 Share Posted August 7, 2020 Happy Friday, smiths. I'm thinking about my chimney. It currently exists only in my brain, so there are no pictures. Here's the setup: - The forge is an old bottom-blast rivet forge with a Buffalo blower - My shop is a 10' x 8', plywood walls - The doors do not seal at all; wind does not blow through, but it's drafty - I live in Minnesota and hope to forge primarily during the winter; the air outside the shop will be cold - I plan to use mainly charcoal for fuel, but I have access to cheap coal through my local guild - My chimney will be 10" diameter, about 9' long, with a fairly close-set hood So, the question: do you think I'll be able to get a solid draft with the doors closed? Do I need to worry about burning up all the air in the room, or will the hot air going up the chimney pull in fresh air from the open seam of the door? Quote Link to comment Share on other sites More sharing options...
Chris C Posted August 7, 2020 Share Posted August 7, 2020 You'll be surprised how "drafty" your shop is. Most people have no idea how many air leaks they have in their homes..............but their fireplaces wouldn't burn if the houses were air tight. I wouldn't over think your chimney problem. If you find you don't have enough draft, then crack your door a bit. Quote Link to comment Share on other sites More sharing options...
Frosty Posted August 8, 2020 Share Posted August 8, 2020 What Chris said. If it won't draw, crack the door. Easy Peasy. Frosty The Lucky. Quote Link to comment Share on other sites More sharing options...
tjdaggett Posted August 8, 2020 Author Share Posted August 8, 2020 Cool beans. Thanks guys. Quote Link to comment Share on other sites More sharing options...
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