1. INTRODUCTION MANUALLY ADJUSTABLE STILTS “Easy Lifts” INTRO PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

2. INTRODUCTION 2 GROUP MEMBERS Trent Hilliard Ian Juurlink Brad Poirier
Mitchell Weir
SUPERVISOR
Dr. Marek Kujath
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION 2

3. PROBLEM
INTRO
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

4. PROBLEM CURRENT STILTS:
INTRO
CURRENT STILTS:
Used for tasks requiring small rises in elevation
Difficulties:
Getting on stilts
Picking up objects
Adjusting
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

5. PROBLEM GETTING UP: INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

6. PROBLEM PICKING UP OBJECTS: INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

7. PROBLEM GETTING DOWN: INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

8. PROBLEM
INTRO
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

9. IDEAS LIFTING DEVICE Power screw http://forums.vwvortex.com INTRO
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

10. IDEAS LIFTING DEVICE 2. One leg-lift INTRO PROBLEM IDEAS DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

11. IDEAS LIFTING DEVICE 3. Hydraulic Scissor Lift www.autoliftuk.com
INTRO
LIFTING DEVICE
3. Hydraulic Scissor Lift
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

12. IDEAS LOCKING DEVICE Rotary Ratchet www.wikipedia.org
INTRO
LOCKING DEVICE
Rotary Ratchet
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

13. DESIGN LIFTING DEVICE: SCISSOR LIFT INTRO PROBLEM IDEAS DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

14. DESIGN LIFTING DEVICE: SCISSOR LIFT 1. Member Design 2. Member
INTRO
PROBLEM
1. Member Design
2. Member
Confinement
3. Assembly
Materials
Aluminum
Bushings
Snap Rings
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

15. DESIGN LIFTING DEVICE: SCISSOR LIFT INTRO PROBLEM IDEAS DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

16. DESIGN LOCKING MECHANISM: INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

17. DESIGN LIFTING DEVICE: SCISSOR LIFT INTRO PROBLEM IDEAS DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

18. DESIGN LINEAR DAMPER: Gas Spring Provides upward force SAFETY feature
INTRO
LINEAR DAMPER:
Gas Spring
Provides upward force
SAFETY feature
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

19. ANALYSIS FORCE DETERMINATION: INTRO PROBLEM IDEAS W = Force Applied
L = Length of
Beam
D = Location of
Center of
Gravity
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

20. ANALYSIS Stress Analysis: INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

21. BUDGET INTRO Item Item Cost Qty. Total Cost Stilts $365.00 1 Bearings
$1.41 16
$22.56
Bushings
$0.72
$11.52
Aluminum Plating
$88.16
Steel Flat Bar
$6.96 2
$13.92
Aluminum Flat Bars
$6.30 6
$37.80
Pins
$6.00
$12.00
Concept Prototype
$50.00
Snap Rings
$36.31
Actuator
$30.00
$60.00
Locking Mechanism
$74.80
Damper
$100.00
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION
TOTAL (with 10% contingency)
$1,274.16

22. SCHEDULE CRITICAL SCHEDULE ITEMS Jan/14/10: Final Drawing Submission
INTRO
CRITICAL SCHEDULE ITEMS
Jan/14/10:
Final Drawing Submission
Feb/01/10:
All material obtained
March/01/2010:
Fabrication and assembly
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

23. SCHEDULE CRITICAL SCHEDULE ITEMS March/22/10: Testing April/08/10:
INTRO
CRITICAL SCHEDULE ITEMS
March/22/10:
Testing
April/08/10:
Final report submission
April/10/10:
Final presentation
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

24. CONCLUSION WHAT’S LEFT? Fine details on locking mech.
Finalize the damper force
INTRO
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

25. CONCLUSION QUESTIONS? INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET
SCHEDULE
CONCLUSION

26. CONCLUSION WALKING WEIGHTS: Current Stilts weight: 15.5 lbs.
INTRO
WALKING WEIGHTS:
Current Stilts weight: lbs.
Competitor stilts: lbs
Miner’s work boots: lbs
Target stilt weight: <20 lbs
PROBLEM
IDEAS
DESIGN
ANALYSIS
BUDGET
SCHEDULE
CONCLUSION

27. CONCLUSION INTRO PROBLEM IDEAS DESIGN ANALYSIS BUDGET SCHEDULE