pic: Team 935 RaileRobotics Teaser #1

[Tom I]

Originally Posted by Chris is me

Couldn't you accomplish this to a similar extent with a lower traction front wheel (say, rubber front, wedgetop back), but for much cheaper?

Of course you could. I wasn't saying this was the best way to do it, I was just speculating on what they could be doing with this picture. Besides, who knows, those added vectors could give this drive train a better advantage that we're not seeing currently.