Thanks rcgldr but that is not quite the question I was asking. I am not worried about the angular rotation of the car parts - I am trying to calculate what roller dimensions will offer the car the most realistic situation on the dyno. For example, with light rollers, the car will spool up to...
I have been working on a dynamometer project for radio controlled cars. You can see my early (and somewhat crude) attempts here: http://www.youtube.com/watch?v=qEhnFd8bwqM"
A question has come up in some of the discussions I have had with other enthusiasts. Given the diameter of the rollers...