1.5-2 Tesla you hit the knee of the BH curve and you saturate the steel. | Hacker News

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		mildchalupa on July 25, 2023 \| parent \| context \| favorite \| on: The first room-temperature ambient-pressure superc... 1.5-2 Tesla you hit the knee of the BH curve and you saturate the steel.

eternityforest on July 26, 2023 [–]

Do you need steel? What about a brushed(Assume some fancy future micrometer gallium filled gap that doesn't wear or something) motor that just has superconducting coils attracting each other?

SequoiaHope on July 26, 2023 | [–]

Yeah I guess if you have superconductors you prob don’t need steel. Bonus, no cogging.

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