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More power captain! Or when sprinkler valves fail…


For the Minnesota Roller Girls roller derby game in February they played in the Xcel Energy Center, which was awesome!  The place holds a ton of people, which is great for MNRG, but presents a challenge for the T-Shirt cannon, as the calculations were set for the Roy Wilkins Auditorium.  So, I went about changing the dimensions of the cannon to shoot T-Shirts twice as far!  Bassicly, I cut the accumulation chamber in half, added a 3″ PVC T, and 13″ more of 3″ PVC pipe.  This allowed us to get the force to shoot further, but also meant that we would only get two shots out of it. Continue reading