We last caught up with Equipmake back in 2018 , when this British company’s spoked magnet electric motors were capable of generating a monster 9 kilowatts of power per kilogram, using cheap materials and standard manufacturing processes.

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By comparison, the company says its best permanent magnet rivals are still languishing at around 5 kW/kg.

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Now, the company has decided to take advantage of additive manufacturing to see how far they can push this thing, and the results could be revolutionary. Its upcoming Ampere motor is projected to weigh less than 10 kg (22 lb) and make a whopping 220 kW (295 hp) at a sky-high 30,000 rpm, meaning it offers more than 20 kW/kg, making some four times as much power as a similarly sized permanent magnet motor. All advances in electric vehicle tech must be […]

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