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I Forge Iron

Alphafarrier

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About Alphafarrier

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    Advanced Member

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  • Location
    Brantford, Ontario, Canada
  • Interests
    Blacksmithing, farrier by trade, toolmaking, fabrication.

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  1. Is a stepped burner nozzle or tip on a frosty burner a contradiction? Is a stepped burner nozzle a high speed burner thing, and the frosty burner a lower speed burner?
  2. Too late! I already put Kiln shelf in. It works much better. And I’ll coat it with Plistex. What next?
  3. Question: What are some of the basic factors that affect how quickly a forge comes up to temperature? Background: I’ve been running two prototype forges for about 6 months now. I found that high temperature firebrick takes FOREVER to get up to temp, even though it’s only 1.25” that I had lining the floor over refractory. I replaced with high alumina kiln shelf, and that has been much better. I have two Mikey burners powering these forges. The heat is concentrated, and does eventually spread out, and get very hot, but it does take longer than a traditional Vent
  4. Alright, I’ll give that a go, and we’ll see how it works. Not being able to help seeing ideas is not a bad thing! Heck, even if only 25% of them work (and I’m sure your batting average is probably a lot higher), the world is still a much better place! I, for one, am learning a lot. One more thing Exhaust port size. Is there a rough rule of thumb for a given burner size? I know adjustable is ideal, but I don’t have that freedom in this application. If I had to pick one side of the spectrum, let’s say I was more concerned about less back pressure and less concerned abo
  5. I'll give the incense sticks a try. As to removable burners, the problem is that for Farriers, usually you can get away with a little bit of vertical space, but horizontal space is at a premium. Forges need to be slid out to the back of a pickup truck bed, or are mounted on van doors or swing-out arms. A horizontally mounted burner is just not realistic. As to removable, again, it's just not realistic. Farriers need to set up and tear down a work station several times a day, and messing around with a hot burner, having to store it somewhere safe, and then trying to get it back in agai
  6. Also, Frosty, just a note: this forge has side ports, and would be operated with the door closed. Will that change the comments you made?
  7. When you are all doing your smoke tests, what do you use to make smoke?
  8. Frosty: maybe I had some bad info. I thought I read somewhere that your mixing tubes were like 1.5 times a mikey or something like that. I'll rethink my options That's a good thought. I had hoped I would get some of that effect at the front end of the forge with the door closed, but you are correct, the exhaust draft does seem to pull everything out the side before that happens. I may have to go out tonight and flip the lid tonight, mount it backwards, and see what happens! If I do that, do you think there will be any problems with a high pressure area in the back of the forge c
  9. The Frosty T would be my first choice as well. One of the challenges with building farrier forges is the many requirements. One of them is space, and while I may yet go with the T burner if I can't get good enough performance out of the Mikey, I would love to be able to make them work, even if it means a small performance or efficiency loss. The mikey burners have some non-performance points in their favor: they are much shorter, and they are easier to mass produce.
  10. Hey guys, thanks for the help. 671jungle, these are farrier forges, and a rectangle makes a lot of sense because for the most part we are putting flat shoes in. On top of that, it allows the use of board instead of soft fiber insulation, which for a production run is far less labor involved in setting up, applying, and slow curing coatings for said fiber blanket insulation. This forge design will actually allow for 2.5"-4.0" of vertical space inside, depending what combination of insulation/hard facing is used. I thought i'd start with less vertical height to see what I could do in ter
  11. Hard firebrick, 3000 f would be ideal
  12. Another mikey burner question. I am building some box forges. I have decided on top mount burners. (I did some tests with burners mounted on the sidewalk. Although that works very well, it will not be practical as these forges will need to be portable). The insulated space is about 2.5” tall (and 10” deep and 12” wide, because I know some will ask). The forge takes quite a while to get up to temperature. I feel like the 2.5” is not enough, and is causing back pressure. Is there a rough rule of thumb on how much vertical space a 3/4” mikey burner would need in this type of sc
  13. Hey guys, I live in Ontario Canada. Does anyone know of a place to buy firebrick? Especially 1.25"? I'm not sure this is the right spot for this, so I'm sorry if there is somewhere better.
  14. That's a great analogy, especially for me I'll see how it runs, and adjust from there.
  15. Ok, so a 45 degree bevel, while not ideal, should work OK?
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