Modifying wire speed on little MIG welder

I just modified my Harbor Freight gas/flux welder to make the wire feed
speed control more useful: It had been very fast even when turned far down.
From what I found out analyzing the circuit, I think what I did would work
on many HF models and quite possibly other cheap imports. So I wrote it up
and put it at my website, at
formatting link
Wilson
Reply to
Robert L Wilson
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Good analysis, Bob. I don't have the welder, but printed the PDF just in case one follows me home sometime.
So, what is the wattage of your new R9? 1/4 watt?
Paul in Central Oregon
Reply to
co_farmer
Bravo! I like a good hack!
Robert L Wils> I just modified my Harbor Freight gas/flux welder to make the wire feed
Reply to
RoyJ

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