1. AMPHIBIOUS VEHICLE

2. The Team The Project Overview The Design & Prototype The Testing The Conclusion The Acknowledgements

3. Michael Gondhi Steve Brink Steve DeMaagd Jasper Gondhi Tyler Vandongen THE TEAM

4. THE GOAL Colossians 3:17 “And whatever you do, whether in word or deed, do it all in the name of the Lord Jesus, giving thanks to God the Father through him.”

5. Design and develop a working prototype of human powered amphibious vehicle (AV) by applying the principles of an engineering design process from concept to production. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU PRIMARY GOAL

6. Speed on Land of 15 mph Speed on Water of 2 mph Successful Braking on Land Successful Transitions between Land and Water PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU SECONDARY GOALS

7. Land:  Speed  Braking  Turning radius  Stability Design Goals Water:  Buoyancy  Stability  Getting on/off  Turning radius PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

8. Design Norms Trust Transparency Stewardship PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

9. Human-powered recreation vehicle market Customer: Lake house owners Flood region service Customer: Disaster relief agencies and NGO’s Scope PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

10. THE DESIGN & PROTOTYPE PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

13. FRAME DRIVE TRAIN PROPULSION STEERING FLOTATION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

14. FRAME PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

15. FRAME – Finite Element Analysis MODEL W/ FEA Maximum Deflection: 0.08 in. Direction of Force PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

16. DRIVE TRAIN FRONT AXLE PADDLE WHEEL AXLE PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

17. 0.75 in. 0.475 in. DRIVE TRAIN – FRONT AXLE Minimize Axle Length: 66 in. - 62 in. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

18. DRIVE TRAIN – PADDLE WHEEL AXLE Initial safety factor used for flotation = 2 Result: Vehicle floats too much and paddle wheels don’t hit water as they are placed with respect to the flotation Change: Paddle wheel assembly lowered to match necessary height. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU Aluminum Tubing Flotation Wheels Paddle Wheel Axle

19. FLOTATION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

20. FLOTATIO N Weight Rider200lbf Vehicle200lbf Total400lbf Margin Factor1.5 Overall Weight600lbf PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

21. FLOTATIO N Results Capacity873.36lbf Plane Load124.77lbf/in Overall Weight600.00lbf Draft4.81in Freeboard2.19in PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

22. THE MANUFACTURING PROCESS PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

23. Material: Aluminum 6061  High strength to weight ratio Shape: Circular Tubing  Ease of welding Diameter: 3 inch  Size donated from Steelcase Thickness: 1/8 inch  Ease of welding  Strength Frame Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

24. Frame Created Jig Fish-mouthed Tubing Aluminum MIG welded Smoothed Welds PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

25. Material: 4130 Cold Rolled Steel  According to Calculations Diameter: 7/8 inch  Available from Machine Shop Length: 62 inches  According to Frame Width Drive Train Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

26. Drive Train Drilled Ends:.322 Diameter Tapped Ends: 3/8-26 Tap Manufactured Bearing Adapters Manufactured Gear Hub Adapters Purchased Bearings w/ Set Screws Weld Gear Hub onto Axle PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

27. Material: Closed Cell Polystyrene  High Buoyancy  Low Cost  Availability Coating: Epoxy, Resin (Hardener), Fiberglass Cloth  High Strength  Ease of Manufacture Dimensions: 7 in. x 18 in. x 96 in.  According to Buoyancy Calculations Flotation Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

28. Flotation CNC Hotwired Foam Square Jig for Router Routed Square Hole Connected Bolts into Wood Fiber-glassed PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

29. Material:  Land: Stainless Steel Cable  Durable  Water Resistant  Ease of Manufacture  Water: Polyurethane Sheet  Availability  Ease of Assembly  Effectiveness Steering Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

30. Steering Cut Aluminum Block to Raw 3 in. Cube Programmed Bridgeport Mill Milled “U-Shape contour” Milled “Grooves” additional grip Milled and Tapped Holes PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

31. Material:  4130 Steel Axle and Sleeves  For High Strength and Welding Purposes  Plastic Paddles and Housings  Availability, Effectiveness, and Water Resistant Dimensions:  Axle: ¾ in. diameter  To Fit Paddle Wheels  Paddle: 19 in. diameter  Common Paddle Size Propulsion Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

32. Propulsion Machined four sleeves Welded Gear Hub to Inner Sleeve Screwed in Paddle Wheels Spaced Housings Attached Paddle Wheel Assembly to Frame PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

33. Seating:  3 Aluminum “L- slider brackets” on each side  Adjustable seat for all riders  1 inch square tubing  Available in Engineering Shop Braking:  Used “center-pull” bicycle brakes  Simplicity  Proven Design Braking and Seating Specifications PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

34. Braking and Seating Seating: Weld slider brackets Drill holes on both sides Weld seat sectionals Slide material Braking: Extend brake cable Attach brakes to handles PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

35. TESTING LAND WATER TRANSITION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

36. Testing on Land  Speed  Braking  Turning  Reverse* PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

37. Speed Data Trial #Speed (mph) Trial 111.76 mph Trial 212.40 mph Trial 314.04 mph Average Speed12.73 mph Top Speed14.04 mph PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

38. Speed Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

39. Braking Data Trail #Speed (mph) Stop Distance (ft) Trial 19.48 mph14 ft Trail 212.26 mph26 ft PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

40. Braking Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

41. Turning Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

42. Testing on Water  Buoyancy  Stability  Speed  Transition PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

43. Buoyancy Test Method w/ Riderw/out Rider PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

44. Buoyancy Data Draft (Flotation Under Water) No Rider1.4in. w/ 1 Rider (150 lbs)3in. w/ 2 Riders (325 lbs)4.5in. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

45. Stability Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

46. Stability Data Angle Measurements Side-to-Side 1 Rider10 degrees 2 Riders18 degrees Front-to-Back 1 Rider-Back5 degrees 1 Rider-Front8 degrees PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

47. Speed Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

48. Trial #Speed (mph) Trial 12.06 mph Trial 22.06 mph Trial 32.26 mph Average Speed2.13 mph Top Speed2.26 mph Speed Data PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

49. Transition: Land to Water PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

50. Transition: Water to Land PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

51. CONCLUSION Vehicle moves effectively on land and water Steering on land and water exceeded expectations Vehicle is stable on land and water Secondary Goals PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

52. ACKNOWLEDGEMENTS Professor Nielsen – Team Advisor Professor Ermer Phil Jasperse – Metal Shop Ren Tubergen – Industrial Consultant CEAC Review Board PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU

53. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU