Designing a Chassis/Drivetrain

[ksafin]

Yes, I'm familiar with it.

To answer your question: nothing.

Firstly, I hope you realize I'm talking about simply the metal frame. I'm not saying we're going to engineer some magical new way to drive the robot. I'm not going to be designing some ball drive or a magical swerve system. I'm just interested in designing a custom metal frame - not redesigning a new way to drive.

I basically want to design things such as:
http://www.chiefdelphi.com/media/photos/37992
http://www.chiefdelphi.com/media/photos/37987
http://www.chiefdelphi.com/media/photos/37190
http://www.chiefdelphi.com/media/photos/36978
http://www.chiefdelphi.com/media/photos/34397

Maybe you understood this, but it seemed like you got the impression that I was trying to pilot an entirely new way of driving.