BMW i3 info
It has a 125 kW BLDC electric motor (synchronous BLDC)
Max Torque:
"The BMW i3 eMachine is an Interior Permanent Magnet (IPM) machine with a heavily skewed rotor, and as such it has low saliency, meaning a low cogging torque. However it has a high ratio between the d and q rotor axis inductance, meaning it can generate a high reluctance torque, and hence produces a high torque per amp output (but sacrifices maximum power capability to do so. At just about 2.5kW/kg, it's around 4x lower specific power output than the latest high speed eMachines. As an IPM, you'll have to optimise the d/q axis current to find the angle at which the machine produces the highest torque/amp, unlike a Surface Permanent Magnet (SPM) machine that produces peak torque/Amp entirely within the q axis (when below it's base speed, ie not field weakened). Some reverse engineering may be possible to pull that mapping from within the OEM controller....." - https://www.youtube.com/watch?v=LJtIS4KhvYM
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Tesla has an asynchrounous AC induction motor. AC induction motors are well known for enormous starting torque.
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