TMS 5 th Annual Wednesday December 4 Hawaiian

TMS 5 th Annual Wednesday, December 4 Hawaiian Roll Chunkin’ Competition Fling those dinner rolls!

Inspired by Punkin Chunkin

Competition Guidelines The object of the competition is to design a catapult that will launch a Hawaiian roll across the bus loop. ● ● ● ● Your catapult can be powered by torsion, tension, centrifugal, or counterbalance. Types of catapults include trebuchet, ballista, mangonel, onager (no air cannons) You must build your device. It can not be store bought. If you use a kit please let your teacher know. You are encouraged to get help from your family. You will be given a Hawaiian roll at launch time, no alterations allowed If your device is seems unsafe, you will not be allowed to launch Bring your device to school by TUESDAY after Thanksgiving break. Winners will be awarded to the device in each category that launches the farthest.

Wondering how to get started? Use the design process The design process is multistep and cyclic, just like the scientific process. Work with your family to ask how you can launch a roll, research online and brainstorm possible ideas, design a step by step plan, gather supplies and build your catapult, evaluate and refine your design.

Types of Launching Devices Catapult Torsion Catapult Centrifugal Catapult Trebuchet Learn more about types of catapults

Catapult

Trebuchet

Ballista

Check out the veterans. Hawaiian Roll Chunkin’ 2015 Top Ten Ocean T 122. 0 feet Air Cannon Albert Z 66. 0 feet Sling Shot Tanner A 59. 0 feet Catapult Daniel T 54. 8 feet Sling Shot Ryan H 53. 1 feet Sling Shot Ben S and Nathan G 40. 7 feet Sling Shot Emerson U 37. 7 feet Sling Shot Savannah C 35. 6 feet Catapult Malorie C 30. 8 feet Catapult Mae S 28. 7 feet Sling Shot

Check out the veterans. Hawaiian Roll Chunkin’ 2016 Top Ten Aidan D Slingshot 34. 7 m Adrian I Slingshot 25. 7 m David G Slingshot 23. 7 m Ocean T Slingshot 22. 4 m Faizan N Catapult 19. 4 m Tanner A Slingshot 17. 5 m Adryan D Catapult 15. 1 m Leah B Catapult 15. 0 m Savannah C Catapult 14. 0 m Adam M Slingshot 13. 7 m * Jaclyn V Trebuchet 10. 9 Congrats to Ocean, Tanner, and Savannah - Top ten 2 years in a row!

Check out the veterans. Hawaiian Roll Chunkin’ 2017 Top Ten Ocean T, Emmerson U Ballista 39. 2 m Sean L Trebuchet 37 m Judah, Eli Ballista 33. 8 m Tanner A, Collin B Catapult 25 m Olivia R Ballista 24. 7 m Austin E Catapult 20 m Kaylee C Catapult 19. 7 m Braeden M Catapult 19. 2 m Adrian I Catapult 17. 1 m Aiden C Trebuchet 15. 5 m Congrats to Ocean and Tanner - Top ten 3 years in a row! Congrats to Emerson - 2 nd year placing in the top 10!

Check out the veterans. Hawaiian Roll Chunkin’ 2018 Top Ten Jack, Zachary, Carter Ballista 27. 9 m Kaylee C Catapult 20. 2 m Mariliz P Ballista 17. 3 m Faizan N Ballista 16 m Arianna C Catapult 14 m Joseph B Catapult 13 m Londyn D Catapult 12. 7 m Brylee M Catapult 10. 6 m Sam H Trebuchet 10. 5 m Gavin and Dante Catapult 10. 4 m Congrats to Kaylee Cole - Top 10 two years in a row!

Launch Day The competition will take place during your regular science period. Participants of all grade levels will compete against one another in each catapult category. One hawaiian roll will be provided for each participant at the time of the event. You can launch your roll twice. Three misfires is equal to one launch. Science teachers may disqualify any catapult deemed unsafe at launch time. Non participants will watch the competition. Parents are invited to join the audience.

See you at the chunk