DirtyDusty

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About DirtyDusty

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    Northeast Louisiana

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  1. DirtyDusty

    Burner angle

    Well I had already cut out a shape of the door, from 1” insulboard. Coated it with sataniye and ITc 100. I was planning to make a hinged door similar to what was in the book. As far as the back, I had put a shelf under the opening, and made 2 sliding baffles from insulboard for it. There is also a shelf in the front place to place bricks. What kind of psi psi will the burner run at? I have only cranked it up to 15 so far. I had a piece of round did in there for a few minutes and it got almost to yellow heat.
  2. DirtyDusty

    Burner angle

    How much open area would it normally require, on each end, to still allow the burner to run efficiently?
  3. DirtyDusty

    Burner angle

    Definitely have a hot spot in the back. Hoping once I restrict the openings it will do better.
  4. DirtyDusty

    Burner angle

    One thing I may have going on is, I wasn’t sure if I needed the end of the tip past the air openings, into the tube, or a 1/4” back from the edge of the openings. For now, I put a little Satanite on the back end of outside, of the nozzle.
  5. DirtyDusty

    Burner angle

    I just got it finished, I think. I started with a .023 mig tip, but I was having to close the choke almost all the way to stop the flame from blowing out. Ran it from 5-15 psi. Next I switched to a .030 tip, I can open the choke between 1/4- 1/2 way open and see the flame shorten and lengthen. The air openings are @5/8” wide and there are three. Not sure if I should try a .035 or leave it be. Put it in the forge and fired it up until it got red hot inside, put it together with an idler circuit. Angle seemed ok, I set the burner edge, to the back side of the center line of the forge. It gives a hotter area in the back, so I angled slightly forward with the adjustment screws. I have to get some baffles set up for the front and back. The video shows the burner going from idle to full fire at 15psi. Tried adding video, it wouldn’t load right
  6. DirtyDusty

    Burner angle

    Started assembling my burner. I used 3/4” blank iron for the main body, 1”schedule 40 for the spacer ring sing 1 1/4” stainless schedule 40 for the flame nozzle. The 3/4” to 1” was a good tight fit. The 1” - 1 1/4” has gap around it. Will this be detrimental to the performance?
  7. DirtyDusty

    Burner angle

    How far back should the burner be, for a single burner forge? Dead center, more toward the front, but angled back, or in the back angled slightly forward? Also, I was reading your book on building a 3/4" burner, and it said to make four slots for the air intake. I thought I had read on a post, here at IFI, where you said the updated version needs 3 slots. I can't find that post anymore, is that correct, or am I confusing it with another thread?
  8. DirtyDusty

    Burner angle

    Been looking over multiple threads and I think I am more confused than when I started. If I understand Mr. Porters advice, in other threads, I need to come down 2” from top dead center and angle it so that the burner hits the floor directly under it, but slightly angling towards the opposite side. The pic I attached is my interpretation of it, does it look correct? Wouldn’t this create a direct hot spot on the piece in the forge? I have looked at quite a bit of pics that have the burner down lower, and pointing at the opposite corner of the floor. I plan on lining the forge with Satanite on the sides and ceiling, and using mizzou for the floor. Intended use would be for forging and heat treating knives.
  9. DirtyDusty

    school me on burner angle please

    You wouldn't happen to have an image of that example of burner tube placement, looks like, do you? I think I understand, but I am at the point of cutting my hole and all research comes up with a lot of conflicting ideas. I have already gotten the stuff for my lining. Kaowool, 2 layers of 1", Satanite for the lining and mizzou to cast the floor.
  10. DirtyDusty

    Burners 101

    Does anyone have a reliable link to a pdf of mr. Porter’s book? I have tried numerous links that end up being expired or you have to join and sign up with a credit card number.