Alternative Energy using bicycle powered generator for Flock House in New York.

1. TEAM
Team Members
Jenna Bader, Dashiel Bivens, Jacob Rowe, Karen Stufkosky
HSU Engineering 215 – Fall 2011

2. INTRODUCTION
Client:
Objective:
Build a bicycle powered
generator which invites
passerby cyclists to charge
the Flock House battery
using their own bikes.
Flock House in
Times Square, NY

3. CRITERIA
Criteria Weight Constraint
Power Output 10 At least 100 Watts
Ease of use 10 Simple to set up
Works for all bicycles
Operator can generate for 20 minutes
Consistency 10 Works every time
Durability 9 Must withstand the weather and daily use
Portability 7 No more than a single person needed to move
Aesthetics 6 Visually appealing
Safety 5 Safe for rider use and the public
Cost 5 Does not exceed budget of $375.00

4. FINAL DESIGN
Geared Up from the Feet Up

5. THE BIKE STAND
Side View of Adjustable Stand

6. MECHANICS
AutoCAD motor and stand drawing here

7. CLOSE-UP FINAL DESIGN

8. ELECTRICAL COMPONENTS
Blocking Diode
Motor
Charge
Controller
Fuse Battery

9. ELECTRICAL CIRCUIT

10. DESIGN HOUR COSTS
10 Phase 1 - Problem Definition
Phase 2 - Problem Definition and
108
Literature Review
193 Phase 3 - Alternative Solutions
Phase 4 - Final Decision
58
Phase 5 - Specifications
31
Total Hours: 400

11. CONSTRUCTION COSTS
Materials Quantity Cost to U^s Retail Cost
Charge Controller 1 $111.54 $90.00 + Shipping
Trainer 1 $67.35 $67.35
Geared Motor 1 $55.00 $90.00 + Shipping
Bike Sprockets 2 $15.98 $15.98
25 Ft Power Cord (Wire) 1 $14.84 $16.99
BMX Chain 1 $9.98 $9.98
Heat Shrink Tubing 1 $9.44 $10.98
Blocking Diode 1 $6.98 $13.66
Light Bulb 12V 1 $5.84 $5.84
WD-40 1 $3.99 $3.99
Fuse 1 (pack) $2.19 $2.19
Fuse Holder 1 (pack) $2.19 $2.19
Wire Connectors 1 (pack) $0.99 $0.99
Used Derailleur 1 Donated $10.00
Shipping Total $35.68 $25.00

12. MAINTENANCE
Task Frequency Task Time Cost
Replace Fuses if Blown As needed 5 minutes to $2.19 per package
swap of 4
Oil Chain Once per 1 minute $3.99 per 1 can
week WD-40
Tighten Nuts and Bolts Once daily 5 minutes N/A

13. RESULTS
Current vs. Power
250
Power (Watts)
200
150
100
50
0
0 2 4 6 8 10 12 14 16
Current (Amps)

14. CONCLUSION
 Power Output
 Easy to Use
 Consistent
 Durable
 Portable
 Awesome Looking
 Safe
 Within Our Budget

15. Thanks To Our Sponsors
• Marty Reed – Engineering Department Technician
• Dan Rojas- www.GreenPowerScience.com