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ACADEMY PROJECTILE LEAGUE
ACADEMY PROJECTILE LEAGUE
In this project, my team and I represented Mexico in the Academy Projectile League as the Mexico City Rattlesnakes. We based our team's background history around Aztec legends. The four elements were very important to Aztec culture, so we had each person in the group represent an element. We incorporated the medicine wheel (shown behind the rattlesnake on our banner to the left) because it showed how the elements lived in balance with white being air, black being earth, red being fire, and blue being water.
Our nickname was "Team Arc" because our slingshot shot a very high trajectory which made a very big arc.
SLINGSHOT CONSTRUCTION
SLINGSHOT CONSTRUCTION
Building our slingshot was a long process from designing and brainstorming ideas, to building it and testing the finished product.
Our mission was to build a device to throw a tennis ball. The materials we had were four 2x4s and eight feet of surgical tubing. We went with the design of a slingshot because we could complete it quickly and have lots of time to practice shooting. My scale sketch is shown on the right.
When we finished our slingshot, we had a few days to test it and see if our design worked, and I ended up being the launcher for my team. The first day we practiced, we didn’t have enough time to get a hang of firing the slingshot, and our results weren't so great. However, the very next day, the slingshot was firing just fine and it worked well.
Below are pictures of our progress and finished slingshot. On the left is my teammate, Lydia, cutting a piece for the slingshot. The two other pictures are of our assembled slingshot before we added the cord and tennis ball pouch.
COMPETITION DAY
COMPETITION DAY
On competition day, we launched tennis balls into a 5-foot diameter hoop to earn points and cooperate with our alliance, which was us and about three other teams. The goal was to pass the ball down the field, with each team getting in in the next hoop. The hoop was about 20-30 yards away, and it was windy so that made it hard to aim accurately. Overall, the day was a success.
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