I had a few free minutes last night so I decided to try and cover a little less than half of each of my venturi's (with duct tape). It made absolutely no difference in how my forge sounded. I also kept the pressure down a bit and tried a faggot weld with 20 mule team and Boric acid. I got absolutely nowhere. Actually this time I believe that my temperature wat too low. I waited until the piece kinda disappeared in the lining of the forge, but it did not stick at all. I think I am going to finish my heat exchanger, put the air adjuster on that and go with bigger jets and put the jets closer to the burner tube. I built this forge mostly for forge welding billets and by golly I'm going to make it work and with the heat exchanger I'm hoping that it will be efficient as can be.
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