AMPHIBIOUS VEHICLE
The Team The Project Overview The Design & Prototype The Testing The Conclusion The Acknowledgements
Michael Gondhi Steve Brink Steve DeMaagd Jasper Gondhi Tyler Vandongen THE TEAM
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.”
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
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
Land: Speed Braking Turning radius Stability Design Goals Water: Buoyancy Stability Getting on/off Turning radius PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Design Norms Trust Transparency Stewardship PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
THE DESIGN & PROTOTYPE PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
FRAME DRIVE TRAIN PROPULSION STEERING FLOTATION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
FRAME PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
FRAME – Finite Element Analysis MODEL W/ FEA Maximum Deflection: 0.08 in. Direction of Force PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
DRIVE TRAIN FRONT AXLE PADDLE WHEEL AXLE PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
0.75 in in. DRIVE TRAIN – FRONT AXLE Minimize Axle Length: 66 in in. PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
FLOTATION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
FLOTATIO N Weight Rider200lbf Vehicle200lbf Total400lbf Margin Factor1.5 Overall Weight600lbf PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
FLOTATIO N Results Capacity873.36lbf Plane Load124.77lbf/in Overall Weight600.00lbf Draft4.81in Freeboard2.19in PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
THE MANUFACTURING PROCESS PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
Frame Created Jig Fish-mouthed Tubing Aluminum MIG welded Smoothed Welds PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
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
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
Flotation CNC Hotwired Foam Square Jig for Router Routed Square Hole Connected Bolts into Wood Fiber-glassed PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
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
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
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
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
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
TESTING LAND WATER TRANSITION PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Testing on Land Speed Braking Turning Reverse* PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Speed Data Trial #Speed (mph) Trial mph Trial mph Trial mph Average Speed12.73 mph Top Speed14.04 mph PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Speed Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Braking Data Trail #Speed (mph) Stop Distance (ft) Trial mph14 ft Trail mph26 ft PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Braking Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Turning Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Testing on Water Buoyancy Stability Speed Transition PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Buoyancy Test Method w/ Riderw/out Rider PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
Stability Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
Speed Test Method PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Trial #Speed (mph) Trial mph Trial mph Trial mph Average Speed2.13 mph Top Speed2.26 mph Speed Data PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Transition: Land to Water PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
Transition: Water to Land PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
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
ACKNOWLEDGEMENTS Professor Nielsen – Team Advisor Professor Ermer Phil Jasperse – Metal Shop Ren Tubergen – Industrial Consultant CEAC Review Board PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU
PROJECT OVERVIEWDESIGN & PROTOTYPE TESTINGCONCLUSION THANK YOU