The alternator on a work bench driven by an 120 volt motor spins well over 1000 rpms!
installation to the car is problematic since the alternator was built around the driver motors rpm's, and not the rpms from the engine. so now the electronics that was built around the driver motor no longer works with the alternator on the car due to lower rpm's.
the factory alternator usually produces a good amount of electricity at around 1000 rpm's or at idle but is still not good enough for the fuel cell. "we need 3k rpm's"
so to solve this problem i have included some pictures, rewiring the alternator will produce over 12 volts at just 180 rpms. i assume the idle speed will now more that triple the output when the alternator has been rewired.
i am not sure of the wire size on the factory alternator, but it is being replaced with 22 awg wire.
it is time for me to rewire my alternator, i will keep you updated.
EDIT, just so you dont have to read this whole thread, we found out that rewiring an alternator was a wast of time, it ups the volts and downs the amps. when on the car it creates plasma. internal arcing inside the alternator is also a problem. later we found we could just add a 3 phase transformer to the alternator to up the voltage. this was a test for high voltage, after i realized how stupid it was of me to try and make a fuel cell use high volts i quickly realized that the factory alternator was better. the factory alternator is better at 900 rpms than the rewired one is at any rpm.
