Donuts with Incredible Power and Torque

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Out of Stealth Mode Donut Lab, according to Green Car Reports, is a Finnish firm and outgrowth of Verge Motorcycles.  The Lab came out of “stealth mode”  with a surprise announcement at the annual Consumer Electronics Show in Las Vegas.  Here, CEO and co-founder of the lab, Marko Lehtimaki discusses the significance of his company’s electric donuts. It’s a bit hard describing this type of motor.  It’s not radial or axial flux, but maybe toroidal flux.  Wikipedia goes into a short, but challenging description of a toroid, which is, in short, “The torus is an example of a toroid, which is the surface of a doughnut. Doughnuts are an example of a solid torus created by rotating a disk, and are not toroids.” On a more practical level, motors created in this shape have the advantage of having the active elements at a distance from the geometric center of the motor.  On the large automotive and truck motors, this distance is 21 …