![]() If I had to I would turn the amps down slightly & increase the number of turns on each coil, meaning I could use thinner (cheaper & more readily available) wire whilst (in theory) keeping the same ampere-turns ratio, thus the same "power" (this, I believe, is where the Gingery plans differ from these plans). I could experiment with my home made smoothing chokes (otherwise known as reactors in welding speak, I believe) see if they actually do anything.Īs for cost, no it definitely wouldn't be cheap, but finding a good used magnetiser is next to impossible, especially here in the UK. ![]() I also have an oscilloscope, maybe I should dig it out & connect the welder up, see what the output looks like. Sure I could pick up some good sized capacitors as well, if needs be. But I could also smooth out some AC if I had to, I was going to build my own welder a while back & wound 2 large smoothing chokes onto old microwave oven transformer cores. I would guess these magnetisers prefer the flat-line DC of a battery to an non-smoothed rectified AC current. The welder is an inverter based machine (basic model for TIG & Stick welding), I have no idea what the output wave looks like though. But I also have a pretty heavy duty car battery I can use as well if the welder doesn't like magnetising. It's around 20 volts (or so) & goes from 10 right up to 150 amps. ![]() ![]() I plan to power mine from my workshop welder.
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