An overview picture of the SimSwerve omnidirectional drive system used by Simbotics (Team 1114) in 2004. For a white paper on the drive system, and links to CAD files, go to:
http://www.chiefdelphi.com/forums/papers.php?s=&action=single&paperid=354
http://www.chiefdelphi.com/forums/papers.php?s=&action=single&paperid=354