I'd spend a lot of time thinking through how this pulley system will work and go together. You need to mount the generator to something, and be sure it doesn't hop away while running. you then need a drive shaft to some sort of support bearing and shaft with a pully somehow mounted to it and positioned and aligned with the pully somehow mounted to the gen drive shaft. You need to find out the required rotational speed for the gen. Although output voltage factors in, it's usually regulated onboard the gen. The correct rotational speed is required to get 60 HZ output. If it's off, then AC motors, including those in clocks (if they still exist these days) will turn at the wrong speed. In most cases this won't really matter, but you need to be within a few HZ of 60 or you might cause problems with the power supplies in electronic equipment. You then need to fuss with the pulley sizes and belt sizes to get the ratio right. And don't forget the tension mechanism for the belt, and be sure it doesn't alter the gen/drive shaft alignment. And how much HP will it take to drive the gen and will you need double belts. I'm not even sure how to find out the power transmission capacity of different size belts.
Starts to make that portable generator look good.
High techie, reciently founded a startup company and struggling for tractor time.
