On Sun, 13 Jun 2004 17:03:20 GMT, Gunner wrote:
snip


As a control, I ran the same beads with my HF flux core machine, and
got a better weld, and one that didnt stand quite so proud of the
metal, like it was hotter and was getting better penetration.

snip
One thing that would have an effect is that the polarity used for FC it
opposite to that used for gas and just happens to be the way round that puts
more heat into the work. I came across this one when trying out a reel of FC
wire with my (usually gas loaded) buzz box. I was shocked to see the angle
iron I was using glowing orange!

Mark Rand
RTFM