I built the novelty motor below and I am having a problem keeping it running. It will run from several hours up to 10 or more days and then suddenly stall. It chugs along nicely at about 60 RPM. I have wound at least a dozen different size coils and I have tried all sorts of different resistor combinations and the results are generally similar --- works great at first, then stalls. I have removed the capacitor and it makes no difference at all. The problem is not the battery because it will sometimes stall with a freshly charged 1.2v battery. Is there any possibility of some harmonic issue? Anything else that I am missing?
Thanks,
dan
Thanks,
dan