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ENGINEERING 339 – SENIOR DESIGN

TEAM 1: ON WINGS LIKE A PENGUIN. ENGINEERING 339 – SENIOR DESIGN. Project Description. Build an amphibious air cushion vehicle Should seat two passengers Two engines: one for thrust, another for lift. Approximately 12 x 6 ft, triangular shape

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ENGINEERING 339 – SENIOR DESIGN

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  1. TEAM 1: ON WINGS LIKE A PENGUIN ENGINEERING 339 – SENIOR DESIGN

  2. Project Description • Build an amphibious air cushion vehicle • Should seat two passengers • Two engines: one for thrust, another for lift. • Approximately 12 x 6 ft, triangular shape • Lift engine will duct air into skirt using air splitters

  3. Design Requirements • Approximately 6.5 horsepower lift engine • Approximately 13 horsepower thrust engine • 26 inch diameter lift fan • 48 inch diameter thrust propeller • Hull will be constructed of extruded polystyrene foam and marine plywood • Fiberglass coating on outer hull and ducts • Cable-controlled throttle • Be able to support 400 pound payload

  4. Budget Analysis

  5. Schedule

  6. Current Phase • Defining budget (with contingencies) • Sourcing materials • Determining thrust propeller and lift fan specifications • Working on Autodesk model

  7. Questions?

  8. Lift Fan Design • 26 in. fan diameter • Four blade design • Constructed out of three 1 in. thick pine boards • Blades with varied “angle of attack” for maximum efficiency

  9. Lift Fan Angle of Attack

  10. Thrust Propeller Design • 48 in. propeller diameter • Two blade design • Constructed out of five 1 in. thick pine boards • Blades with varied “angle of attack” for maximum efficiency • Analyzed to confirm ideal operation

  11. Propeller Analysis

  12. Propeller Angle of Attack

  13. Craft Balance Issues • Center of gravity will be determined using Autodesk Inventor • Components will be placed strategically to balance craft • Weights will be added for static balance if necessary

  14. Duct Construction • Thrust duct will be constructed by cutting polystyrene sheets at a large radius • Duct will then be wrapped and glued into final shape, and sanded • Lift duct will be built into hull, using marine plywood

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