On Sat, 18 Apr 2015 23:18:41 -0500, 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
Congratulations!