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The EIB Machine of World Domination

The EIB Machine of World Domination. By: Phillip Pardue, Alex Hoppe, Jeremy Buckles, and Carson Bone. The Group. Original Idea. Originally we had a two part design however due to time and cost constraints we were unable to complete this idea.

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The EIB Machine of World Domination

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  1. The EIB Machine of World Domination By: Phillip Pardue, Alex Hoppe, Jeremy Buckles, and Carson Bone

  2. The Group

  3. Original Idea • Originally we had a two part design however due to time and cost constraints we were unable to complete this idea. • Instead to conserve already constructed steps we combined elements from both steps to create one larger complete step.

  4. The Project • Step 1: Mouse Trap activates, letting marble loose • Step 2: Marble travels down track and hits the car • Step 3: Car activates and pulls lever. • Step 4: Lever lifts tipping ball off of end • Step 5: Ball lands in bucket and gravity takes effect • Step 6: Box being pulled down unfurls banner from spool • Value: $16 • Cost: $3 Ominous light

  5. Concepts used • Conservation of Rotational energy: Mouse traps swinging arms, spools being pulled, mouse trap car • Gravitational: Marble running down track, box catching ball and falling • Collision: The lever hitting the other and the marble hitting the mouse trap • Torque: The mouse traps, mouse trap car • Center of mass: The ball balancing on the lever.

  6. Calculations (all Approx) • Step 1: Mouse trap force cannot be readily calculated. • Step 2: Marble .015 Joules after rolling down ramps. • Step 3: Very inefficient car, very little transferred from car due to mouse trap to lever, approx to say only gravitational energy is affecting lever. Car .1 Joules of energy due to gravity • Step 4: The force of the lever is used to disrupt the balanced lever that had the ball located on it. We calculated the center of mass roughly, however due to imperfections in wood density we could not get a precise measurement. • Step 5: Two concepts are used here, gravitational potential energy and conservation of linear momentum. GPE of ball: .67 Joules GPE of box: .24 Joules, Collision: box+ball= 1.42m/s • Step 6: Box transfers energy from itself to the spool. Velocity of box goes from 1.42m/s to 2.44 m/s that transfers from box to spool unwinding the banner.

  7. Conclusion • What we would improve if more time: Our project could use some visual improvement, right now it was more trying to get it functional instead of visually appealing • Also we would improve the banner release mechanism, as of now it is kind of hard to get it exactly right to get it to pull out well. • Everything could be more specifically engineered to work better but in order to constrain our project to the monetary and size limits we opted to use the materials and construction techniques that we used.

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