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TEAM 1: ON WINGS LIKE A PENGUIN ENGINEERING 339 – SENIOR DESIGN
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Team Members Team 1: On Wings Like A Penguin Phil Baah-Sackey, Joe Englin, Chris Lowell, Eu Sung Chung 1/19
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Presentation Outline Problem Definition Project Description Design Norms Important Resources Engineering Analysis Feasibility Study Results Obstacles and Accomplishments Questions 2/19 Team 1: On Wings Like A Penguin
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Problem There are some situations where neither aquatic vehicles nor land vehicles can access certain locations In these situations an amphibious vehicle that travels above the surface could reach these locations Team 1: On Wings Like A Penguin 3/19
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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 Project Description Team 1: On Wings Like A Penguin 4/19
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Design Norms Humility – The project is not perfect Integrity – Carefully crafted Transparency – Easily understandable and operable 5/19 Team 1: On Wings Like A Penguin
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Important Resources Professor Heun Universal Hovercraft Homebuilders Showcase The Internet (Various Sites) The Hekman Library Brian, Friend of Dave Ryskamp 6/19 Team 1: On Wings Like A Penguin
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Thrust Propeller Analysis Determined propeller tip speed would not exceed the speed of sound Calculated craft drag forces and determined required propeller pitch Calculated angle of attack along the propeller blade 7/19 Team 1: On Wings Like A Penguin
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Propeller Analysis 8/19 Team 1: On Wings Like A Penguin
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Propeller Angle of Attack 9/19 Team 1: On Wings Like A Penguin
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Lift Fan Case Study Designing a lift fan is an iterative process Investigated three other functioning hovercrafts of similar size and weight Determined lift engine specifications Obtained general idea of lift fan dimensions 12/19 Team 1: On Wings Like A Penguin
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Feasibility Study Results Approximately 6.5 horsepower lift engine Approximately 16 horsepower thrust engine 26 inch diameter lift fan 42 inch diameter thrust propeller Hull will be constructed of extruded polystyrene foam and marine plywood Team 1: On Wings Like A Penguin 15/19
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Obstacles and Accomplishments Obstacles Sourcing low cost materials Determining lift fan specifications How much power? Accomplishments Obtained free lawnmower engine Ordered thrust engine Begun sourcing other materials Finished Autodesk model 16/19 Team 1: On Wings Like A Penguin
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Budget Analysis 17/19 Team 1: On Wings Like A Penguin ItemSizeQuantityLow PriceHigh Price Horizontal engine16 HP1$325.00 Vertical engine5.5 HP1$0.00 XPS foam2" x 4' x 8'4$69.16 Marine plywood1/8" x 4' x 8'4$107.20 Epoxy kit1 gallon2$125.98 Fiberglass cloth (6 oz)38" x 1 yd8$55.60$73.52 Skirt (18 oz vinyl nylon)60" x 1 yd6$59.70 Thrust propeller1" x 6" x 8'1$12.86$95.00 Lift fan1" x 6" x 8'2$25.72$99.95 Metal components$0.00 Wood$0.00 Contingency$150.00$300.00 ======== TOTALS$931.22$1,255.51
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18/19 Team 1: On Wings Like A Penguin
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Questions? 19/19 Team 1: On Wings Like A Penguin
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