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@deleted
It's a bit clearer on the seat tube top tube junction as there isn't a thick walled tube to aim the arc at which makes me a lot more cautious. You can see in the photo below the transition between laps as there is a break in the HAZ discolouration. You can also see on the base of the seat tube that the weld bead is more proud, as you need more amperage the more tighter the angle of the tube, but both the tubes are still really thin, so if the arc wonders you'll blow straight through, so i tend to turn down the down stroke amps and spend a little longer with higher amps on the up, but less overall.
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