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| unc1esteve:
I have been adjusting the nozzle with a socket and an extension in between burns. I decided to take it apart and make an adjustable handle so the nozzle could be positioned while burning. The tubing is held to the outer burner tube by the coupling at the oil line, A collar and a washer provide the correct spacing. The mig tip is hard soldered to a 1/4 tubing. At the other end the tubing is placed inside a collar , swedged and then hard soldered to the 1/4 nipple. This added room for the oil improves the burner performance. There does not seem to be very much siphon power. The outer burner tube is 16 in length. The nozzle is 5 1/2 from the end of the tube. I do not know if these dimensions are critical. I wonder if changing the oil hole size would help with the drip? I used a 3/16 dia rod for the adjustment handle. I machined a groove about one third of the tube diameter. As I had made another nozzle with a deeper 3/32 hole I used it for this purpose. I threaded 6 holes around it as I did not know the correct position when assembled. |
| unc1esteve:
Drawing of a similar burner. http://backyardmetalcasting.com/bigpics01/oilburners10_B_burnerdiag.jpg Uses propane to start. |
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