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"World's most power dense" electric motor obliterates the field | YASA takes the next step in its modernization and development of axial-flux technology, demonstrating a huge new benchmark
YASA is on a tear to demonstrate its technical prowess in flat, compact axial flux motor technology. As we've seen repeatedly in the past, good things happen when the British e-machine specialist sets its sights on the record books. Hot off of showing what its motors can do inside a hunk of exotic…
YASA announced this week that it achieved a massive 550 kW (738 hp) from a prototype motor that weighs a mere 13.1 kg (29 lb), equating out to an extremely impressive 42 kW/kg power density. We've been tracking it ourselves in terms of the high-powered, compact motors we feature on our pages, going back at least a decade when 5 kW/kg was considered an exceptional feat multiple times ahead of the competition. Power-to-weight is even more critical when lifting aircraft mass into the sky and maintaining altitude, so it's notable that an automotive motor manufacturer has pushed so far past its aerospace equivalents, not to mention tripling the 15.8-kW/kg density Donut Labs called a world record earlier this year.
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