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I Forge Iron

Ryanw

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    redryan34@yahoo.com

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  1. What are some examples of changes you wish you made? I definitely agree that it evolves, my forge has evolved a lot since the first one. Im interested in hearing specific design choices some people choose over others.
  2. I'm currently building a foundry furnace for melting metals. So im curious, what is one feature, design choice, change from common design, or idea, that you wish you added while you were making your current setup. Or what is an existing change you made previously that you really liked and you think other people would benefit from. For example. My forge works great, but I wish I made the doorways longer and more insulated.
  3. I have 1, 3/4 burner with I believe a .030 contact tip. Im not entirely sure because I didn't make that section of the burner and the only record I have is a scratch pad with it written on it. Ive only ever ran it 4-8 psi. I just got more propane today so im going to raise it up and see how it changes.
  4. An extra bbq tank for me is just buying 2 instead of 1 cause thats what ill be running on for a while with my forge.
  5. Its been a fun hobby to get into. First we built a forge but the burner was terrible. So we built a burner but the forge was terrible. So I built a better forge properly. Today I couldnt get the burner to light because I was starting it too high pressure. Then I fix the burner and figure out the best method and boom I run out of propane.
  6. Funny enough I ran out of propane while warming up the forge. Made it really confusing when I turned up the regulator and the psi started slowly going down instead of up. Great timing on my part.
  7. Thanks for the response. it sounds to me that im completely under pressure, since im not using a T burner. Guess Ill fire it up and turn the pressure higher and see what happens over time.
  8. Well I lit the forge today for the first time and it works really well. I went through the best process of heating that I could find and sofar no cracks. This may be a better question for mikey because I used his 3/4 burner design with I believe a .030 tip. What PSI range is the burner? Since im new to forging, I'm not as good at hearing and seeing flames. We currently have a really good flame from tuning but I really only run it about 4-6 psi. Whenever I turn it higher I cant tell if its getting hotter or if im wasting gas. On 4-6 psi I get 2350 degrees F Im pretty confident that im completely wrong thinking 6 psi is a good pressure to run at how much higher should you go for a mikey 3/4 venturi burner? .
  9. I dont know if im allowed to bump old threads. But this thread has all my context and design. Im a few weeks into building the forge as designed above. Ignoring the fact that I cracked the kiln shelf I cut out (I have more) by being stupid, currently, I only have kwool under the kiln shelf on the final design. Should I add a layer of Kastolite under the kiln shelf, or just leave it to the 2 inches of kwool? Similar question, would it be ok if I stacked 2, 3/4 inch kiln shelves on top of eachother?
  10. Thank you for everyones responses sofar. Im glad my overall design hasn't been completely torn apart. I just need to tweak a few things like the door situation. A question I didnt include as much in detail was the forge length. Currently with the 10 inch length I get 261 in^3. If I raise it to 11 in Its only 287 in^3 or even 12 inches. I know from previous posts that 1 well tuned burner is about 300-350 cu^3. Assuming my burner IS well tuned and made properly, I could add more. Is there any pro or con to making it slightly longer? Does the extra material act like a heat sink or does it just hold in more heat?
  11. I will definitely look into that more before starting. I completely spaced the porch (I wouldve realized eventually). My thought process behind it (Outside of doing what you said and just making it as smooth as possible) was to make the top slightly smaller so it slots into the base a little. Or using kwool/kastolite in a fashion where it seals the gaps. Like gum over a leaky pipe I dont think Ill ever need to take it apart so I could just kastolite the crack between the tops wall and the kiln brick couldn't I? Then kiln wash over it all and tac weld the corners together? Is it that easy for flame to escape through cracks?
  12. Right now its setup so it has an even opening on both sides. Should I make the back opening smaller? so it has space to pass through if needed but its more closed off to keep heat in?
  13. Good point. This is going to be used for mostly introduction forging with smaller projects or hobby projects probably a knife here and there. I read that alot of people use their small forge even after building larger ones because its more efficient for small projects Id like this one to be a solid small forge for projects around its size.
  14. I'm trying to design a new forge since my first one is a pile of bricks from menards that barely heats to 2200 degrees F. After reading this forum for hours, I'm coming close to my design. Hoping to get some advice before I build anything. Plus maybe someone else can use what I do wrong in the future. The shape kind of takes after video removed dur to advertising by alec steele, but with 1 burner and significantly smaller. The burner is a Mikey style 3/4 Venturi Burner from his book. Its as advanced and tuned as we were able to get it. I planned on having it pointing at one of the sides of the inside of the dome to get the swirl. I know where to find the post about how deep to put it. The forge is a bottom with a dome shape on top, with 12 gauge steel. It would have 2, 1" ceramic blanket layers (with the rigidizer), followed up by 1/2in Kastolite 30 (With kiln wash). All with a kiln shelf floor. I was thinking to build it in 2 parts, the top and bottom. Then have the arch sitting on either kastolite or blanket to seal the gaps. For ease of construction. The limiting factors I've found are that I only have 1 burner, and I've already purchased 10lbs of kastolite so I'm trying not to need more Is there anything wrong with my design? Do you have any advice with the way im building it? Should I make it longer? Its at 261 In^3 with 10 inches length. So according to the 300in^3 per burner I could add a little. I haven't thought about what I should do for any sort of forge doors. We have firebrick but I've read that it sucks in heat. Will it provide enough heat with this setup? I want to make this forge as nice as I can, so it can last a long time and provide what I need.
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