Belt Grinder Build From Scrap Workout Bench And Treadmill Motor

This video is my 2x72 belt grinder build from an old workout bench, scrap, and a treadmill motor and parts. I tried to make this as portable and adjustable as I could. Also the treadmill motor and motor control board make it variable speed without changing a belt on pulleys. How to build a 2“x 72“ belt grinder.