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Cheap Plasma Cutters?

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Bee:
The ebay link above says HF start. Is that the EHT type mentioned? I've also seen 'pilot arc' mentioned as a must have.
One of the members of our Men's Shed said he had a 50A one and cut through the 1 inch window bars on a bank with it. :clap:
No, it was ok, he had bought a redundant bank building in our high street and converting it to flats. I'd have kept the bars as a 'feature'.
I assume you need clean metal to start the cut but will it then cut painted metal?
I occasionally get interested in one of these and would want to be able to cut a) cast iron brake discs to get small plates of CI and old computer cases or washing machine for sheet metal brackets.

Sea.dog:
If you've a pilot arc you don't need to do any cleaning. Anything conductive can be cut with it. I've even seen someone cutting glass, albeit with a thin sheet of ali on top of it. the arc is at around 20,000°C after all.

Pete.:
You wouldn't put your finger in the arc twice :D

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