michael durack

Many of the motors that drive two-wheel vehicles are what is called hub motors. They are mounted directly into the rear wheel. All of them currently available use rare earth magnets and copper windings. Ferrite magnets are less than one twentieth the cost of rare earth and aluminium is half the co[…]

A method of cooling the motor in an Electric Vehicle (EV) that avoids the use of a secondary spray oil system most often used in these motors. Saves over $100 per motor. Very simple and robust. Entirely passive relying on resin encapsulation with highly thermally conductive material strategically[…]