On Sunday, April 19, 2015 at 12:18:43 AM UTC-4, Ignoramus4444 wrote:
Video and some details are here.

http://www.machinerymoverschicago.com/blog/Robocross/

Most people go the easy route and buy a "Vex Robotics" kit. We built
our own and won.

This robot works like a skid steer. The bucket, I made sharp as a
knife and sharpened it to make it a straight and sharp blade, on a
surface grinder.

i

Yeah, congratulations sir. I figure an engineering scholarship down the road for your son. Or he'd be one ace backhoe driver in the interim.