Over here in the Netherlands we usually have just a few days or weeks of snow per year. When the time comes, there are three things that absolutely have to happen.
- Go sledging
- Go ice skating
- Build a robot to drive in the snow
I wont bother you with the first two items, but I thought you might like number three.
I was surprised that I couldn’t find a single video of a snow plow, plowing real snow. There are robots pushing LEGO around, and static models of a snow plow. This is what I made.
The robot is a regular half-track, but uses a triangular tread configuration to keep the motor out of the snow. It also has a rotation sensor on the unpowered front wheels, to detect the robot isn’t moving.
I’m not sure if you are interested in the software or building instructions, because it uses the RCX with parts from Ultimate Accessories and Ultimate Builders sets, as well as miscellaneous red parts. Are you?