[rahilm]

Originally Posted by beiju

I would expect that distance to be the circumference of the pinion. If you need complete precision, and want to avoid any math errors, mount it in its final configuration and simply measure.

I’m interested to know where you got the rack. I don’t recall us having one from this or previous KOPs, and our team isn’t very familiar with where to buy such things.

McMaster Carr is a great place to get a lot of these things. For racks and pinions: http://www.mcmaster.com/#gears/=amxsji