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Ah, a blocked goesoutta. You gotta have enough goesoutta to match your goesinta.

This could well be a big part of the problem. I'd say, cut the burner off of the shell and see if you can get it working outside of the forge with a nozzle. At most you will be out a pipe nipple....

Did you mold the refractory into a flare or nozzle where the burner enters the forge? The flare or nozzle slows the gasses coming out of the mixing tube and stabilizes the flame so that the...

No, I think that is one of the main advantages of having a steel shell.

Edit; Thinking about it for a second, I guess most people weld in a receiver tube that holds the burner. That way the...

Sounds OK.

A guy in our club was saying that he buys Zirconium...something and an inexpensive clay from pottery supply places that works in place of the itc 100 at much lower cost. The cast-o -lite is good, but...

Satanite comes in powdered form to be with water. If you mix too much you can just let the remainder dry and use it next time. It doesn't really set until it is fired. I just went ahead and bought a...

Pearlite and austenite. The transition from ferrite/pearlite to austenite is endothermic and the transition from austenite to ferrite/pearlite is exothermic. Pearlite is a layered structure of...

Yes. Muffler, muffle, muffel, or whatever. It helps get even heat and a small piece of charcoal in the pipe makes a CO atmosphere which prevents scaling and decarburization, Though the...

Actually, Jerry's work clothes are more appropriate than ours for work in the forge, but I get your drift.

Pretty easy to learn IMO. The tempering is easily done in a toaster oven. I use my kitchen oven for that part. Tempering is where temperature control is more important. The hardening operation has...

:rofl2::rofl2::rofl2:

I have a 1/8" plate welded on the back end of the muffle to block it off. I can envision a small hole drilled in that plate with a probe sticking through that and terminating...

Relatively yes. There is still kind of a 4" hot spot, but since it is bigger than the razor it works well for me. It seems pretty even around the 360 degree way.

I did a little bit of trial and...

Not saying that you have to do it my way, but I simply dry stack bricks to make my forge big or small. Big for heat treating and small for forging and forge welding.
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