On 01/09/2017 22:28, newshound wrote:


Yes. It's not much bigger than a toaster, weighs I suppose about 3 kg. I
think it goes up to 90 amps, claims to do 3 mm rod. Runs off 13A socket.

I inherited a traditional transformer one some years ago, still ran off
13A but weighed at least 20 kg. I think it came with 4 mm rods but I
could never sustain an arc, and I gave it away.


Could it be that being an inverter that the output frequency is a lot
higher than 50Hz? I remember seeing a TV program some time back where
to weld certain materials more reliably they required 'specialised'
equipment and then went on to state that the equipment welded at a
higher frequency.

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