I have a series 1 step pulley machine with a three phase motor on it which I drive with a rotary phase converter. I would like to eliminate all that BS and retro fit a single phase motor on the machine. There are 2hp single phase 220v heavy duty motors available, some even have 1.125" shafts such as a Dayton #4K813- $325. I realize that you would have to make all the mounting hardware or piggy-back it on top of the existing Fairbanks-Morse motor. I'm assumeing this motor can operate vertically, but I don't know that for sure. Does anyone have any experience with such a project or have any idea as to why it wouldn't work. Thanks.....Don