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Transport Between House and Pond

Seed Project 2010 Christopher Abbott-Koch Lance Nichols Daniel Sturnick. Transport Between House and Pond. Updated Cart Design. 3’ x 4’ x 3’ design Rollers set at pitch angle of 35 o Stabilizing Cable Rollers set 2’below cart Transparent Walls and Floor.

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Transport Between House and Pond

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  1. Seed Project 2010 Christopher Abbott-Koch Lance Nichols Daniel Sturnick Transport Between House and Pond

  2. Updated Cart Design • 3’ x 4’ x 3’ design • Rollers set at pitch angle of 35o • Stabilizing Cable Rollers set 2’below cart • Transparent Walls and Floor. • Gate deploys into a loading/unloading ramp.

  3. Scruton number m = mass of cable per unit length (kg/m) ζ = damping as ratio of critical damping ρ = air density (kilograms per meters cubed (kg/m3)) D = cable diameter (m) The oscillation amplitude of vortex shedding vibrations varies roughly in inverse proportion to the Scruton number.

  4. New Challenges • Our original design consisted of a rolling cart guided by two rigid steel cables. • Structural Analysis – Eric Hernandez • Stability of design will be a flaw • More cables for added stability • Natural frequency of the system

  5. Model Oscillation Testing • Four Connection Points • Vulnerable to low to moderate oscillations • Natural Frequency

  6. Model Oscillation Testing Support Cables • Six Connection Points • Tension is put in the support cables • Degree of Oscillation drastically reduced 3-5 Degrees 3-5 Degrees

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