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Ok so I built a shop recently for blacksmithing. I needed to make a chimney set up so I took an old water pressure tank and used it as the hood. I have 6" chimney single wall going above the roof. The hood opening is 13" tall and about 14" wide. The hood is also resting on the forge. Anyway when I tried using it smoke did go up the chimney but some would puff out towards the top of the hood. The smoke buildup is not good and hard on my lungs. So my question is what am I doing wrong here? I did a little reading on threads and other websites about the chimney needing to be at least 10" or the hood needs to be lower. I can't make the hood lower without cutting more of the tank off because it is resting on the forge. Or should I scrap the hood and buy a professionally made one with 10" chimney?
Hi guys, I live in Calgary and am about to move into a new house why an awesome garage, but it brings up a few questions. First, I am thinking of building a hood to gather the combusted gasses from both a charcoal brake drum forge and a propane forge. The guy at a bbq shop is suggesting an 8" double walled chimney. The good thing is that it will be pretty close to code (wall penetration and 6 ft above the gutter, about the same height as the peak). He says that because I am not burning wood in a direct vent system a hood is ok. However, on this forum people keep saying 8" might not be enough. I'll post some pics for context. Any informed opinions? Btw, the garage is in a lower area with a hill behind it (fairly protected) and I bought a cheap window fan that I can use to pressurize the garage a bit. The forging area will be tucked on the left side of that garage door, right next to the cinder block wall. There is virtually no overhang (no soffit) as you can see in the pictures. Still looks like over a grand just for the parts, and I need to get a hood custom made by a local sheet metal place.
I use a very, very dirty coal. however, i can get it for $10.00 per 100#. So, brake drum forge does not work, clinker clogs the grate in minutes. so, without further adieu, the Trough style 55 side blast with chimney. Thoughts? ideas? suggestions? also, for updates about the building of this, check my blog in the blogs area, Toolception; Claw to peen. Thanks! click on the image to zoom in. thumbnail is quite small
Hey Folks, I´d like to ask for your advise on a project I want to start soon. My shop is half oudoors so I have a roof over the head but literally no walls. Until now I have always had my forge standing just free and hoped for good wind... But as you can imagine I take quite a lot smoke and dust and I mustn´t damage my body with stuff like that at my age. So I want to install a smoke hood over my forge. The only problem is that I only have a very limited budget of about 180$. So I guess I have to take a DIY-solution. After some research and discussions with some fellow blacksmiths I came to the conclution that this design (I know I ain´t very good at drawing...) would give me the biggest bang for my buck: This is my shop: And this is the design I´d like to try: The hood will be built from an old oil barrel, cut out on the front and bent upside to form a guiding-shield. On top of that the chimney will be installed reaching through the roof of my forge with min. 8" diameter. Would you also advise me to do it like that or do you have a solution (any construction plans) that might be more (cost)effective? I´d be very happy about any advise you give me! - Daniel