ORRHS teacher Tom Norris’ Principles of Engineering class tested on March 29 to see if the robotic balsa wood cranes students designed could lift at least two pounds. Six groups of 2-3 students designed their own cranes, motors, and pulley systems using only a set limited supply of materials. Pictured left: Davis Mathieu (left) adds more weights while Norris (right) observes. Photos by Jean Perry