Motor Sizing Calculations Oriental Motor .
Motor Sizing Calculations. There are three factors to calculate when sizing a motor; Moment of Inertia, Torque, and Speed. Moment of Inertia. Moment of inertia is the measure of an object''s resistance to changes in its rotation rate. When an object is just sitting without any motion, the moment of inertia is 0. When you try to make it move that mean you want to change the speed of the object ...