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### Building a Two-Person Hovercraft: Design, Challenges, and Innovations ###

This presentation discusses the design and construction of a two-person hovercraft capable of land and sea travel, achieving speeds over 5 mph while remaining under 400 lbs. We cover basic hovercraft concepts, initial design challenges, and refined designs that doubled the power and improved steering. Future improvements include optimizing fan pitches and enhancing throttle design. Contributors to the project are acknowledged, and the presentation invites questions to engage the audience in further discussion. ###

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### Building a Two-Person Hovercraft: Design, Challenges, and Innovations ###

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Presentation Transcript

  1. Team 1: On Wings Like a Penguin Engineering 340 May 3, 2008

  2. Team Members Chris Lowell, Joe Englin, Eu Sung Chung, Phil Baah-Sackey ||||||||||||||||||||||||||

  3. Presentation Overview • Objectives • Hovercraft Basics • Initial Design • Design Obstacles • Refined Design • Future Improvements • Acknowledgements • Questions ||||||||||||||||||||||||||

  4. Objectives • Build a two person hovercraft • Land and sea travel • Attain speeds of 5 mph or greater • Craft weight must remain under 400 lbs • Fabricate as many components as possible • Make craft safe for operators and bystanders • Intuitive design ||||||||||||||||||||||||||

  5. Hovercraft Basics • A hovercraft (or Air Cushion Vehicle) uses pressure differentials to lift itself off of the ground ||||||||||||||||||||||||||

  6. Software Tools • Modeling program – Autodesk Inventor ||||||||||||||||||||||||||

  7. Software Tools • Finite element analysis – Algor FEMPRO ||||||||||||||||||||||||||

  8. Initial Design • Hull constructed from foam and wood • Two engines; one for lift, one for thrust • Triangular in shape, 6 ft x 12 ft • Bag style skirt • Air directed into skirt by splitters • Joystick style controls • Electronic engine shut off ||||||||||||||||||||||||||

  9. Initial Design ||||||||||||||||||||||||||

  10. Initial Design ||||||||||||||||||||||||||

  11. Initial Design ||||||||||||||||||||||||||

  12. Initial Design ||||||||||||||||||||||||||

  13. Initial Design ||||||||||||||||||||||||||

  14. Initial Design ||||||||||||||||||||||||||

  15. Initial Design ||||||||||||||||||||||||||

  16. Initial Design ||||||||||||||||||||||||||

  17. Initial Design ||||||||||||||||||||||||||

  18. Initial Design ||||||||||||||||||||||||||

  19. Design Obstacles • Fan pitch was too steep • Not enough horsepower • Throttle cable issues • “Sloppy” steering ||||||||||||||||||||||||||

  20. Refined Design • More than double the power! • Modified steering tube • Foot pedal throttle ||||||||||||||||||||||||||

  21. Completion ||||||||||||||||||||||||||

  22. Completion ||||||||||||||||||||||||||

  23. Completion ||||||||||||||||||||||||||

  24. Completion ||||||||||||||||||||||||||

  25. Future Improvements • Different fan/propeller pitches • Different lift engine orientation • Better throttle design • Better steering design • Reduced weight • Reinforced fan/propeller blades • Aluminum rear engine stand ||||||||||||||||||||||||||

  26. Acknowledgements • Phil Jasperse • Charlie Huizinga • Trevor at West Marine Stores • Professor Ned Nielsen • Professor Steve Platt • Professor Rich DeJong • Mitch Kenyon ||||||||||||||||||||||||||

  27. Questions? ||||||||||||||||||||||||||

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