Considering that some have noticed that the frame is not welded, and that the upper vertical frame does not seem to fit right. I have decided to revel the true intentions of this years robot. This year we dreamed big, we wanted to create a drive train that was different from the rest. The design team looked for inspiration and found a interesting kinetic sculptor named Theo Jansen he has built many works that are a mix of art and engineering, (http://www.youtube.com/watch?v=5OR8-775Rv4&feature=related).
Imagine that the robot is actually upside down, and that the bolts you see are actually linkages for the cam driven legs, these legs work together to move the robot about. Due to the ingenious cam driven leg system and their path of travel the robot stays level regardless of leg orientation.
Let me just tell you this thing is creepy how it moves at such a fast pace on its many legs, like a giant evil millipede. But most of all I cant wait for a pushing mach 
(http://www.youtube.com/watch?v=qlNTNjtjInQ&feature=related)