better electric motors in general, they can be smaller when they have less waste heat to worry about, and higher torques. The navy was playing around with minia

better electric motors in general, they can be smaller when they have less waste heat to worry about, and higher torques. The navy was playing around with miniaturization of vessel motors more than a decade ago[0] but I haven't run into how that projects gone in the intervening years. [0]https://www.powermag.com/superconductor-motor-for-navy-passes-full-power-test/ https://www.powermag.com/superconductor-motor-for-navy-passe...