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The Patman. Group: Julianne Isaacs Ben Warf Greg Haley. Overview of Device Design. Constructed out of… PVC pipes and joints Plastic tubing Plastic tubing is held to the frame with zip ties and super glue Tube follows a downward sloping spiral
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The Patman Group: Julianne Isaacs Ben Warf Greg Haley
Overview of Device Design • Constructed out of… • PVC pipes and joints • Plastic tubing • Plastic tubing is held to the frame with zip ties and super glue • Tube follows a downward sloping spiral • A regular BB is used as the ‘roller coaster car’
Stored Energy • At the top, it is all potential energy. • This is derived by PE= mgh. • As the ball begins to roll, potential energy is converted to kinetic energy.
Design/ Construction Issues • Make sure zip ties were not too tight because they pinched the tubing and would not allow the BB to roll through. • After the tube was placed correctly, super glue was used to insure that it did not move.
Conclusion • The roller coaster takes approximately 15 seconds. • It occurs at constant acceleration due to gravity. • It uses the concepts used throughout EF 151!