Recently replaced a plasma cutter that I had sold years ago with the tiny one branded as Reboot for $200.00 Canadian.
The unit is dual voltage, I'm running on 220 volts for the air supply a 5hp compressor on 80 gallon tank but most smaller compressors will handle the demand if your patient.
Types of metals I tried it out on, Copeland refrigeration compressor case - cast iron, aluminum truck rim, stainless steel steam table, propane tank and some junk iron. Great fir zapping through bundles of insulated copper wire.
I have several large starters with my first plasma I would blow out the screws securing the steel shoe that holds the field coils in place to recover the copper coils. This plasma struggles at this chore, not large enough for gouging.
The propane tank had some fuel in it, the fuel ignited once the tank had been pierced and burnt externally. Cutting with plasma versus an oxy torch is that it injects an excess of oxygen - BOOM. Plasma is a safer method as it does not use oxygen to cut metals.
Mike1 I highly recommend using one of these small 60 amp plasma cutters for the task your faced with, it'll handle screws, copper lines, wires and cutting tanks. be the best money you ever spent on a tool.
And remember what I said, plasma does not use oxygen, so there will be minimal reaction with any oil remaining inside the compressor when cutting one open.
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