> Maybe this will be a fool question, but I want to know how to reduce the
> velocity of a 48VAC little motor used by HAMS to rotate antennas.

What *type* of motor is it?  Induction?

AFAIK, AC motors usually can only have their rotation speed changed
by altering the structure of the motor (number of poles) or by altering
the power supply frequency.

At any rate, it's not as easy as changing a DC motor.

Mike H.

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