They do make a pully kit..
http://mwands.com/store/fan-and-single-pulley-for-permanent-magnet-generators-alternatorsget a PMG, a pully kit and hook it up to a motor.. see if it can keep a battery bank charged with some rigs attached to it..
so wouldn't be that hard to test this out for yourselves.
Yes, seems to go against conventional teachings, but there's a reason you are here. crypto..
seems like it would be LOUD.. how much sound does your setup make..
this will and does work. this does not produce free electricity but greatly reduces the cost, in the end configured correctly your only cost is the electricity to run the electric motor.