Aside from launching water balloons in below freezing temperatures, the competition was a success, allowing each of the 5 teams to explain and display their engineering designs. One team designed a catapult, one team a trebuchet, one team an air cannon, and 2 teams used a slingshot mechanism. Executive summaries for the
catapult designed by Rachel Brewer, Victor Comer, Garrett Floyd and Aaron Hively and the
trebuchet designed by Brady Chandler, Caleb Dahl, Bryce Miller, and Damion Utley. The slingshot designed by Andrew Ford, C.J. Neal and Bridgette Steiner, the slingshot designed by Alex Garey, Sam Jeong, and John Villareal, and the air cannon designed by Jordan Daughrity, Sonny Neal, Brady Webb, Quincy Gantt, and Cole White are demonstrated in the following video clip
Additional pictures from the design competition are also shown below: 
