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 …