Place a small object in the bottle cap and give it a launch and see how far it goes! Make adjustments as needed to make this catapult the best yet. Remember this is where you will put all the things you will launch! On the top stick on the side opposite the rubber band, you will want to carefully glue your bottle cap. You will then rubber band only one side of these two sticks leaving the other side to be able to bend and move. Take two craft sticks going the opposite direction and place one underneath your sticks and one on top.
You will want to rubber band these on both sides tightly together. This is a great catapult for smaller kids to create.įirst, you will want to stack 5 craft sticks on top of each other. In order to create this simple craft stick catapult, you will need rubber bands, a bottle lid, and craft sticks. This time you will want to carefully pay attention that you cut pieces accurately and glue and rubberband just at the right points to ensure your catapult is in perfect working order. The final step is to build your final catapult. How well does it launch? Should changes be made? Improve upon this design. You will want to test your model if multiple objects in the catapult. This is more like your test model so that you can alter it and make the necessary changes. Next, you will want to gather your supplies, possibly head to the store and then you can build a simple design to see if your idea works. Plan the materials that you might need to build the perfect catapult for your school project. Think about it, brainstorm, talk to others to get ideas.
#Catapult designs how to#
Once you discover this then it is time to imagine how to do it. So first you will want to start with a plan. So often we jump right into a project without a direction or plan. Cut up sponges (you can get these wet!)īefore you begin you will want to evaluate these 6 steps in order to build a catapult.You never want to use sharp or heavy objects that can hurt someone if it was to hit them by accident. You will need to provide all email addresses for all teammates and you will need to respond quickly to event organizers, so that proper planning can be done to accommodate all those interested.Safety is the number 1 concern when it comes to launching things in your catapult.Students will not be able to use their body as a part of their device.Teams will only have access to minimal tools, provided in the lab.Catapults must fit in a 2 x 3 x 3′ window.Competition is open to both undergraduate and graduate students.If you do not have a team, attend the workshop and you can be paired with a team.
Teams must comprise 2 or more Boston University students, and at least one must be a College of Engineering student.
#Catapult designs full#
Thank you everyone who participated in the 2022 Competition! Catapult Challenge Catapult Challenge 2022
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