In my understanding, there are two competing effects here: applying a force to move a conductor in a magnetic field will create a current (your generator) but having a current moving through a magnetic field a magnetic field will create an opposing force. Drawing a load reduces the frequency...
Either the subscription panel didn't work for me or I've just subscribed three times. Whenever I clicked the Submit button I was taken back to the main form with my ZIP (postcode I assumed) turned blank and the State still shown as a required item despite having selected International...