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Water Stryders ENGINEERING DESIGN 100 SECTION 205 MIKE LAMOND, BRENDAN MILLER, ZACK YEGER, EVERETT ZOFCHAK Slide 2 Table of Contents Project Background Project Management and Organization Design Procedure and Methodology Assessment of Concepts Technical Analysis of System and subsystems Prototype of Final Design Slide 3 Project Background The Problem Problem: Human feet lack both the buoyancy and surface area required to be able to walk on water Slide 4 Customers Want This Product Mostly for Exercise Some for Fishing UsePercentageResponses Fishing15%3 Exercise50%10 Fun35%7 Total100%20 Popular WantsResponses Affordable12 Lightweight15 Easy to Transport 6 Easy to Maneuver 13 Aesthetically Pleasing 10 Cost no more than 150 dollars Weight 10 lbs or less Fit in most mid-sized sedans Needs something to aid in turning Slide 5 Design Specifications Hold 210 lbs Sit 3 inches above water Move at least 2 mph Max turning radius of 1 foot Feet at a maximum of 18 inches apart No longer than 5 feet Weigh no more than 10 lbs each Cost no more than 120 to make Able to do Yoga on Good Cardio Low Impact exercise Ability to mount platform Slide 6 Project Management Slide 7 Systems Diagram Slide 8 Concept 1 The Wedge Slide 9 Concept 2 Human Hamster Wheel Slide 10 Concept 3 The Water Treadmill? Slide 11 Concept 4 Flippy Flappers Slide 12 Concept 5 Water Stryders Slide 13 Calculations All on One Foot Evenly DistributedTotal Volume Slide 14 The Water Stryder was the best design choice Slide 15 It Costs $61 to Build the Prototype, $111 for Finished Product. QuantityDescriptionPart #Cost 3Polystyrene 8x4x1 30408950.94 1String 6N/A5.00 1Pair of SandalsN/A5.00 Total Cost60.94 QuantityDescriptionPart #Cost 1Dow StyroFoam Buoyancy Billet 000652107.00 1Surgical TubingAQU20123.94 Total Cost110.94 Slide 16 System/Subsystem Interaction Slide 17 Dimensions and Drawings 4 x 16 x 8 2 foot hole Fins are 1 deep, 8 long, and cut at 45 degrees Slide 18 Failure Resulted for a Variety of Reasons. Slide 19 Conclusion Problem: Human feet lack both the buoyancy and surface area required to be able to walk on water Water Stryder Design Used for exercise purpose Cost of prototype $61 Cost of finished product $111 Failures Slide 20 Any Questions? Slide 21 References Cho, Sung Suk. 'Method For Manufacturing High Buoyancy Life Jacket Using Low-Density Polystyrene'. 2004: n. pag. Print. Ornes, S. (2012). Walking on water. PHYSICS WORLD, 25(11), 31-32.