Joel OF Posted December 12, 2017 Share Posted December 12, 2017 Hi folks, I've attached an old picture of one side of my workshop to help explain. Please ignore the positions of items as everything has moved since taking the picture, except the coke forge which is still in the same position. I want to install a wood burning stove for taking off the chill in the air when the forge isn't lit. I would like to position the stove close to the forge, pretty much where the gas forge is in this picture. To save cutting another hole in my tin roof I'd like to branch the stove flue into the forge flue. My forge flue is single wall 1mm spiral ducting that's 12" diameter. I don't know exact measurements off the top of my head but there's about 6 feet of flue inside the workshop before it goes through the roof, and about the same again outside which takes it a couple feet above the peak of the roof. Assuming that I can use spiral ducting again for the wood stove, can anyone tell me if there's rules of thumb that I should be following? I.e is there a flue diameter which will work best going into the 12" forge flue? Is there an ideal height the two should connect? Is there an idea angle the two should connect at? 45 degree bends are readily available. I remember when I was doing my reading into forge flue heights a few years ago that there was a lot of science in it that went completely over my head, so I thought I'd better ask about this before I go cutting holes & accidentally create some thermo dynamic chaos and ruin the draw of both the forge and wood stove. Cheers for any pointers. Quote Link to comment Share on other sites More sharing options...
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