Quentin Benson Jonathan Hilton Elizabeth Nies

1. Quentin Benson Jonathan Hilton Elizabeth Nies University of Utah Mechanical Engineering

2. Agenda • Project Overview • Design Focus • Frame • Drive Train • Suspension • Steering • Critical Function Prototype • Schedule • Budget • Conclusion University of Utah Mechanical Engineering

3. Design Project • Address problems faced in original MoonBuggy design • Design vehicle to race in competition One Course Obstacle http://www.mae.cornell.edu/moonbuggy/2004/ University of Utah Mechanical Engineering

4. Competition Requirements Disassembled MoonBuggy • Disassemble • Human powered • Carried 20ft • Carry specific items • http://moonbuggy.msfc.nasa.gov/ http://www1.usu.edu/features/2004/moonbuggy/ University of Utah Mechanical Engineering

5. Why the MoonBuggy Project? • Is a new University of Utah project • Encompasses many engineering aspects • Creates a two person human powered all-terrain vehicle University of Utah Mechanical Engineering

6. Design Focus Cad Model of MoonBuggy • Frame • Drive Train • Suspension • Steering Cad model created in Pro-e Wildfire by Team MoonBuggy University of Utah Mechanical Engineering

7. Frame • Frame designed to collapse • Design verified using Finite Element Analysis Cad Model of MoonBuggy Frame CollapsingJoint Cad model created in Pro-e Wildfire by Team MoonBuggy University of Utah Mechanical Engineering

8. Drive Train Cad model created in Pro-e Wildfire by Team Moon Buggy • Torque requirements determined • Designed to integrate with suspension Pedals Disk Break Derailleurs Roller Clutches U-Joints Gears Cassettes Slip Joint Cad model created in Pro-e Wildfire by Team Moon Buggy University of Utah Mechanical Engineering

9. Suspension • Double a-arm configuration used to maximize stability and performance Cad Model of MoonBuggy Frame Shock Upper A-arm Ball Joint Knuckle Lower A-arm Bearing Cad model created in Pro-e Wildfire by Team MoonBuggy University of Utah Mechanical Engineering

10. Steering • Steering configuration designed for optimal control and maneuverability MoonBuggy Prototype Setup Upper Control Arm Rod End Frame Knuckle Adjustable Knuckle Arm Tie Rod Picture taken By Jonathan Hilton University of Utah Mechanical Engineering

11. Critical Function Prototype Suspension and Steering Prototype for MoonBuggy Upper Control Arm Rod End Tie Rod Frame Knuckle Lower Control Arm Picture Taken By Quentin Benson University of Utah Mechanical Engineering

12. Schedule *Gant chart available upon request • Past Goals (Thru November) • Prototype suspension and steering and verify analytical models • Conduct finite element analysis of frame • Construct Cad drawing of overall design • Present Goals (Early December) • Procure all off the shelf parts • Conduct finite element analysis on suspension • Finalize design • Future Goals (December to April) • Manufacture MoonBuggy • Test and redesign as needed • Race MoonBuggy in Huntsville AL University of Utah Mechanical Engineering

13. Budget *Itemized budget available upon request University of Utah Mechanical Engineering

14. Conclusion • Project Overview • Competition • Design Focus • Frame • Drive Train • Suspension • Steering • Critical Function Prototype • Schedule • Budget • Need Travel Funds University of Utah Mechanical Engineering

15. Group Members: Quentin Benson qbenson@gmail.com Elizabeth Nies e.nies@utah.edu Jonathan Hilton jonathan.jonathanhilton@gmail.com Mark Kocik lmark84l@gmail.com Emina Maric me.mina@gmail.com Dave Meier evadreiem@aol.com University of Utah Mechanical Engineering