17. Comparison Of Some of The Techniques Model Number Average Torque (Nm) Cogging Torque(Nm) Base Model 5.038 0.2053 1. Slotless 5.024 0.1175 2. Bread Loaf 3.8789 0.0223 3.Assymetry 4.9612 0.1628 4.Airgap Lengthening 4.5717 0.1712 5.Auxillary Groove 4.775 0.1066