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This robot was built for my google science fair entry. The goal behind this project was to see if an inexpensive robot could trigger anti personnel mines. For my experiment I made scale mines and checked to see if my robot could trigger them using a flailing chain on the front. The experiment went well and I am happy with how this robot preformed. There is a lot more information on the submission site along with a video.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/google-science-fair-robot