antitorque rotor

So serious is this heat that it can distort a major APUS engine component, the rotor shaft, and cause significant damage.

Next he says a double rotor Chinook landed inside the compound.

The coil represents the stationary part, the stator (Fig. 445) and the cup the rotating part, the rotor, of an induction motor.

The difference between the rate of rotation of the rotor and that of the magnetic field is called the "slip."