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weldin mike 27 wrote:Turn the welder up as high as it can go, turn the wire down untill it hisses, then slowly turn the wire up until you get a beautiful frying/cracking/material tearing sound. That's spray. 75/25 may work but a tri mix with som O2 in it will bring the boyz to the yard. Proceed to weld thicker than 1/8 in the flat and horizontal pos. Keep the speed up so your arc burns on to fresh metal all the time.
MinnesotaDave wrote:Like he said, need your volts high - note the volts he says in the video.
You may not get into spray mode with the gas you have - note the gas choices in the side bar of the video for mild steel.
MinnesotaDave wrote:Why doesn't your teacher know and teach this?
This Lincoln book covers your questions, and some other side questions that may result, from pages 1-17.
https://www.lincolnelectric.com/assets/ ... /c4200.pdf
If you need clarification, that reading should give you the background needed to be specific in your questions