herchammer Posted June 7, 2007 Share Posted June 7, 2007 Up until now, I've only used an open forge, no hood of any kind. I am contemplating building a space dedicated to blacksmithing (as a hobby). My question is what do y'all think is the best design and what might I consider in the pros and cons? This will be from the ground up, and I would welcome any input from all of you. Quote Link to comment Share on other sites More sharing options...
irnsrgn Posted June 7, 2007 Share Posted June 7, 2007 http://www.iforgeiron.com/forum/f7/new-forge-99-done-2918/BP0460 Anatomy of a Forge Flue Quote Link to comment Share on other sites More sharing options...
Neal L Posted June 7, 2007 Share Posted June 7, 2007 Try this link. Steel s-draft drawing I built this side draft and it really does a great job. Quote Link to comment Share on other sites More sharing options...
herchammer Posted June 7, 2007 Author Share Posted June 7, 2007 Thank you for the posts so far. I am anxious to hear more about your thoughts on forge types. Quote Link to comment Share on other sites More sharing options...
Glenn Posted June 7, 2007 Share Posted June 7, 2007 Blacksmithing groups in your area Quote Link to comment Share on other sites More sharing options...
J W Bennett Posted June 7, 2007 Share Posted June 7, 2007 Herchammer, I am no expert but I recently built a new forge using a side draft hood and it works great. It draws well with the shop doors open or closed. Just my 2 cents worth JWB Quote Link to comment Share on other sites More sharing options...
herchammer Posted June 8, 2007 Author Share Posted June 8, 2007 Thanks JWB, I have read what I could find on this site, regarding the drafting principles of both. The side draft appears to be the most efficient, but I thought I would listen to what you all had to say. I'm curious about how much smoke is produced when you start your fire. Is it similar to an open forge, or a forge with a covering hood? Quote Link to comment Share on other sites More sharing options...
Glenn Posted June 8, 2007 Share Posted June 8, 2007 Loosely crumple a couple of sheets of newspaper and set it on fire. Place it at the opening of the hood and let it burn to get the draft going. Start the fire and the newspaper fire induced draft will suck up most of the smoke from the forge fire. How much smoke? From zero smoke to the amount that reflects your skill at fire maintenance. Keeping a hole in the top if the coal in the forge to increase the draft in the chimney. The result is it burns the smoke from the fire, and what is left unburned is sucked up the chimney. Quote Link to comment Share on other sites More sharing options...
tbrforge Posted June 8, 2007 Share Posted June 8, 2007 If you follow a proven design and starting method your shouldn't smoke you self out of the smithy. My side draft forge will pull a large fire nearly side ways and I am a bit undersize on my flue Quote Link to comment Share on other sites More sharing options...
HWooldridge Posted June 8, 2007 Share Posted June 8, 2007 IMHO, a side draft works much better than an overhead hood. I have had both and the overhead always allowed a little haze to develop in the shop but the side draft will pull out all of the smoke if it's built right and functioning properly. Quote Link to comment Share on other sites More sharing options...
J W Bennett Posted June 8, 2007 Share Posted June 8, 2007 Herchammer, I have a ten inch flue pipe sticking 4'-5' above the peak of my roof. It is a straight shot with no bends. I put a 4" smoke shelve in the hood and mine draws well even when first fired. As Glenn stated I have noticed as it warms up the draft does increase and as tbrforge said once it gets going it will pull the whole fire toward the draft opening. I built my side draft coalforge in about 2 long days. But I'm not as fast as most but I do have a fairly well equiped shop which helps. Which ever design you decide to go with good luck. Here is a link to the thread and the pictures of mine. http://www.iforgeiron.com/forum/f7/new-coal-forge-3101/ JWB Quote Link to comment Share on other sites More sharing options...
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