Someone requested that I post part of a report I'm writing for work on tracking belts.  That report grew to be a little too complicated for a forum post but I decided to toss out some of the basics which might help people understand some of what's going on with their belt grinders. First, assuming the belt is straight, all the pulleys are perfectly straight and square in the same plane, and the pressures are even across the whole belt, the darned thing automatically tracks.  There are no fo