£80 quid!!!! Bargain and quite a few good reviews, although thick to thin was a problem in this review. the chap managed to solve the problem;
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've cracked the problem. In the end it was so simple. I read on the Miller site that going up a rod size can help overcome arc blow. Did that, went up to 3.2 mm, banged up the amps to 140 and it totally solved the problem. I'd never do that with AC as the thin gauge would melt down with burn through. I then did some welds into 15 mm butt joins at 170 amp and it absolutely blasted threw them. Excellent result. So the welder is OK. It was just that rod size was too small - explains why it wasn't pooling properly.
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