Quote Originally Posted by Mike T View Post
Do you have a reference for that middle paragraph re eccentric vs concentric? - and you can of course do concentric on a step and eccentric on a floor.
I dont actually have one on me (as it were), but Im sure I can dig one out for you...
Just in case youre wondering, it'll almost certainly come from Seth o'neill or Jill Cooke. I think it's Jills work...