Hi, I've built a 8'X4' fur tumbler, I need it to turn 18 to 26 RPM. the sides are made from 3/4" plywood and center circumference is made from 1"X4"X4' pine boards and Axles are 1 1/8" steel shaft, with 1 1/8" pillow block bearings. I'm guessing it weighs 800 pounds. I have a 1 hp TECO...