Ok..so what about a 3 phase ac motor? Can I just use a variable speed controller with it?
I'm looking at this one specifically
http://cgi.ebay.com/Baldor-2HP-Electric-Motor-190%2F380volts_W0QQitemZ390155036417QQcmdZViewItemQQimsxZ20100210?IMSfp=TL1002101510015r11863
If that one won't...