Donut Lab has raised €25 million in seed funding to enhance its innovative in-wheel hub motors for electric vehicles across various domains including land, sea, and air. The startup is establishing a research and development hub in Chippenham, UK, and has welcomed Risto Siilasmaa to its board. The company's revolutionary hollow hub motor fits directly into the wheel rim, eliminating conventional parts like axles. Donut's motor provides unprecedented torque and power density while maintaining light weight, addressing prior unsprung mass issues. Additionally, the company is innovating within batteries and software for comprehensive EV manufacturing solutions.
Donut Lab's in-wheel hub motors could lead to lighter, more efficient electric vehicles by eliminating traditional vehicle components like axles and transmissions.
The 21-inch version for cars of Donut's hub motor delivers 630kW of power and 4,300Nm of torque, weighing only 40kg and achieving unmatched power density.
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