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I Forge Iron

Resinears

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    Edmonton, AB.

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  1. The forge chamber is roughly 5 x 5.5 x 14", so ±385 in² which is why I'm not concerned with tuning two 3/4" T burners for maximum output, just a great burn. I was anxious to get the burners installed so I could coat my kaowool interior, so sorry - no pictures of the flame outside of the forge are now available. My initial findings were with a single burner, and I'd used torch tip cleaners to clean up the .023 tips, so I grabbed some .030's and tried them without messing with them. I found that they stayed lit outside of the forge, and still required a bit of choking, so that's what went into the burners. I don't want to waste too much time tuning when the burners have flares on them and they aren't in the forge. Last night I used a thin layer of uni-cast 33 to coat the interior of the forge, so tonight, I'll fire it and we'll see where we are. I like the idea of having a lean burning forge that I can easily choke back the air to get it right. If at that point, I don't have enough heat, I'll go the route of tuning for larger jets, maybe .035, use my drill style tip cleaners to ream them out a bit. Gotta be more than 1 way around the barn...
  2. Hi folks - I need input on my t-burner tuning. As a rule, when they go from outside the forge to inside, do they require more or less fuel? The reason I ask, is that I initially put a .024 mig tip in that had been shortened and tapered, and using the prescribed dimensions for a 3/4" t-burner, it was way lean, as I could only get it to run well if choking the intakes with my fingers. So, I tried the same size .024 tip that wasn't cut down, and with it closer to the mixing tube it indeed didn't suck as much air, and the mix looks to be very good out of the forge with the 1" to 3/4" reducer on the end of the mixing tube. So, shortening the mig tip or lengthening it fine tunes the amount of air which is introduced. Would it be safe to assume that if you had a mig tip length that wasn't optimal (say, a bit too long, or too close to the mixing tube), if the orifice was small enough the final mix would be correct, and combustion would be complete? The forge size is going to be too large for a single 3/4" burner, but too small for two burners running wide open, so I was hoping to tune for efficient combustion using smaller jets. In other words, if using smaller jets but having them placed far enough towards the 3/4" port of the T would allow for efficient and complete burning, or should I go for larger jets placed closer towards the 1/2 way point in the T-fitting, and just turn down the gas. Insight is appreciated! Jeff
  3. I thought I'd read EVERYTHING! Thanks for the links - really good! The tongs look great, and the anvils show some real ingenuity. I feel sorry for throwing so much stuff away over the years.
  4. Thanks, I'm going with el cheapo 66 lb ACCIAIO cast anvil I got locally for $170 CAD to start with, but haven't even hit on it yet. I suspect that will not be something long lived, and I have my eyes peeled for something better, along with a reasonable hammer, tongs, etc. Will see how loud it is on the stand that is under construction (made of fence posts joined with threaded rod). I will look into ways to muffle the thud on the concrete floor of the garage, the the reality is that everything has to be movable, as I'm not willing to permanently lose a parking space for one of several vehicles.
  5. I'm approaching 60 years of age, and my neighbours are somewhat used to loud cars, motorcycles, guitars, and many other noise creating activities coming out of my attached garage and house in an otherwise quiet residential neighbourhood. I'm not sure how happy the neighbours will be with me banging on an anvil and playing with a forge, but I have been providing sharpening of their fine knives for some time. Hopefully the favours will have created enough good will to get me by. I have to admit that I have always been a firebug, and think I'll be experimenting with different burners for some time, even though this will be my 1st forge. My experience regarding combustion has always centered around tuning cars and motorcycles, and not being able to leave well enough alone. Being invited to play at a friends forge has me hooked, and I'm looking forward to the experience in my own garage. 1st things 1st - a functional forge. Quieter burners if required will be a later goal. Always open to suggestions! Cheers, Jeff
  6. Many thanks for the reply and the welcome!
  7. Hi folks, 1st post from a beginner, living in Edmonton, AB. I am building a pair of 3/4" tube T-Burners, and will stick to the design parameters as have been repeated many times here, but as someone who constantly looks for ways to modify something, was wondering if anyone out there has experimented with machining the inside of the "T" intakes, to remove the treads and potentially smooth the intake airflow. If for nothing else, perhaps to quiet the sound of the air being sucked into the burner. I'll probably try a number of different burners, but these almost build themselves, and I'm anxious to fire up the newly constructed forge. Cheers, Jeff!
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