Gearing up for a second superconducting magnet test. This time computer controlled. Here is the new bobbin with 133 turns:
It features better contacts for the current leads (kinda crazy you can put 80-100 amps through that thin cable):
I added a thermistor under the hearing coil. The whole heating apparatus is lifted from the reprap.
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[...] I’m going to start by taking another crack at the persistent switch for the superconducting magnet. [...]
[...] up for another test of the superconducting magnet. So liquid [...]
[...] persistent switch on the superconducting magnet needs a computer controlled heater. The heater itself is just a coil of nichrome wire around the [...]
[...] desk lamp on and off from my computer. The IGBT will be used to switch up to 90 Amps going into the superconducting magnet. [...]