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Glen -
You can drop down to .030 self-shielding wire (with a tip change).
That'll help a little, but you won't be able to "run a bead" and have
it work on 18 ga. The trick is "stitch welding". Pictures do a
better job of explaining than words, so:
http://www.paneldoctor.com/demo/buttfenderpatch.htm
Chris K.
> A friend gave me a great deal on his Lincoln wire-welder when he
upgraded
> for 'mo' power to weld large corral pipes. I've been out in the
garage for
> the last couple of nights welding everything to everything just to
practice.
>
> For the welders out there, a question:
> Even at the lowest power setting it seems to be a bit 'hot' for the
thin
> sheet metal our cars are made of. I'm using the .035 flux core wire
with no
> inert gas. Is there a way to decrease the power? Someone suggested
a long
> extension cord (of appropriate rating) would work like a ballast
wire in an
> ignition circuit. My goal is to make a nice edge weld of two sheets
of
> 18ga. without it becomming a jagged drippy mess. I know practice is
part of
> it, but a bit less power would help I think. Thoughts?
>
> Regards,
> Glen Byrns
> '59 bugeye
> '59 Morris Traveller (Winifred)
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