[thom801]

Exactly what I was thinking. Basically it is just this connected to a drive shaft. http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/mothow.h...

[bcohen5055]

Although yes "connected to the drive shaft" in a sense is how it works but there can be some great discussions of 3 phase motor design, torque demand motor control systems, power electronics, regenerative breaking... The list goes on and on