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THE MIGHTY DUCKS

THE MIGHTY DUCKS. By: L.A. Parwani , Tyler Roberts, Michael Matthew, and Matt Williamson. THE CREW. Tyler Roberts. L..A. Parwani. Matthew WIlliamson. Michael Matthews. Rube Goldberg Project.

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THE MIGHTY DUCKS

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  1. THE MIGHTY DUCKS By: L.A. Parwani, Tyler Roberts, Michael Matthew, and Matt Williamson

  2. THE CREW Tyler Roberts L..A. Parwani Matthew WIlliamson Michael Matthews

  3. Rube Goldberg Project • Objective: Build a device that will display a banner in the most inefficient, redundant way possible • Constraints: • Must fit in a .5m x .5m x .8m box before operation (during operation size is unconstrained) • Be assembled in under 1 minute • Have a minimum of 5 steps, 4 of which must include concepts we have learned from class • Total construction cost must be under 20$ • The device must run without any assistance from the engineers once triggered • Can not be in action for longer than 2 minutes • Must be triggered by another device and also trigger a device • Why the Mighty Ducks?

  4. Materials • Wood • Lever • Billiard Ball • Spring • Cup • Funnel • PVC • String

  5. 1)Wooden plank hits ball Start 2)Ball rolls down pvc pipe 3)Ball hits spring and bounces into the funnel 5)The string attached to the hinge is pulled up causing the sheet, covering the banner, to tear off 4)Hinge weighed down by the ball goes down

  6. Finish

  7. Design and Construction • Coming up with a simple, unique yet redundant design with the skill available was very challenging and time-consuming. • Construction: • Our design changed many times throughout construction • Power tools, hammers and screw drivers were all things that most of us were not familiar with – we learned a lot during construction • Set backs: • Our troubles first began with our materials list; some objects were too heavy, others too expensive • On the first trial run the ball kept rolling off of the side of the PVC • Fine tuning the spring to project the ball into the funnel with precision every shot

  8. Energy • Step 1: Perfectly elastic Collision m1v1 = m1v’1+ m2v’2 • Step 2: Conservation of Translational Energy .5mv^2+mgh=.5mv’^2+.5Iw^2 • Step 3: Conservation of Energy .5kx^2=.5mv^2 • Step 4: Rotational Energy .5mv^2+.5Iw^2=.5mv’^2 • Step 5: Perfectly inelastic collision .5mv1^2+mgh=.5Iw^2

  9. Conclusion • An open ended problem was solved and our final product is consistently inefficient and redundant • Our group learned how to work well together and new friendships were formed • A lot of fun was had, engineering concepts and ways of communication were learned

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