>Therefor I will try pulsing x number of cycles and y cycles pause instead.
>
>Anybody done that?
>

  Yes, I have tried this to control the speed of a fan motor.
  It ends up being very noisy and has limited range. Finally
  used a DC motor instead.

  But "dropped cycles" is easy to implement with a PIC
  and an SSR if it works for your motor.

  Reg Neale