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Trapped!

Trapped!. 60 °. The Concept. To create a vehicle, using no power sources outside of two mouse trap springs, that has the ability to climb a rope coming out of the ground at approximately 60 °. Initial Design Concept. Frame. Drive Wheel. Traction Wheel. Gears. Frame. Design Components.

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Trapped!

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  1. Trapped! 60°

  2. The Concept To create a vehicle, using no power sources outside of two mouse trap springs, that has the ability to climb a rope coming out of the ground at approximately 60°.

  3. Initial Design Concept Frame Drive Wheel Traction Wheel Gears Frame

  4. Design Components • Frames

  5. Frames Steel Axles Design Components

  6. Frames Steel Axles Aluminum Axles Design Components

  7. Design Components • Frames • Steel Axles • Aluminum Axles • Gears

  8. Design Components • Frames • Steel Axles • Aluminum Axles • Gears • Drive and Traction Wheels

  9. Design Components • Frames • Steel Axles • Aluminum Axles • Gears • Drive and Traction Wheels • Springs

  10. Design Components • Frames • Steel Axles • Aluminum Axles • Gears • Drive and Traction Wheels • Springs • Screws

  11. Cost / Weight Analysis • PVC Frames – 2x .04 lbs @ $0.40 / lbs = $ 0.032 • UHMW Drive & Traction Wheels – 2x .05 lbs @ $0.48 / lbs = $ 0.012 • Plastic Gears – 2x .0125 lbs @ $5.00 / lbs = $ 0.125 • Steel Gear – 1x .01 lbs @ $1.67 / lbs = $ 0.0167

  12. Cost / Weight Analysis Con’t • Screws – 2x .0025 lbs @ $1.67 / lbs = $ 0.00835 • Steel Axles – 2x .005 lbs @ $1.67 / lbs = $ 0.0167 • Aluminum Axles – 2x .0025 lbs @ $5.00 / lbs = $ 0.025 • Mouse Trap – 2x $0.30 = $ 0.60 Cost of Materials $ 0.83575 per unit

  13. Total Production Cost Labor Cost: 10 minutes of assembly *5.15/hour (min wage) = $0.88 / vehicle TOTAL COST $0.84 + $0.88 = $1.72

  14. Pending Design Modifications • More rigid driving axle • Thicker gears • Horizontal alignment (gears) • Adjustable tension wheel • Better traction

  15. Benefits and Advantages • Weight -- .225 lbs • Size • Cost • Aesthetics • The next model will climb the rope!

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