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Optimization of a 1974 VW Electric Bug

Optimization of a 1974 VW Electric Bug. Michael Boyle Michael LaBeach Andrew Magaletti Rabei Rabei. Project. Problems Hills Speed Range Lights Interior. Project Specifications. Increase Torque Increase Speed Increase Range Distribute Weight. Design Concept. Battery Cage

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Optimization of a 1974 VW Electric Bug

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  1. Optimization of a 1974 VW Electric Bug Michael Boyle Michael LaBeach Andrew Magaletti Rabei Rabei

  2. Project Problems • Hills • Speed • Range • Lights • Interior

  3. Project Specifications • Increase Torque • Increase Speed • Increase Range • Distribute Weight

  4. Design Concept • Battery Cage • 24V Field Charge • Battery Configuration • Rejuvenated Batteries • Heat Sinks on Controller • Air Induction for Motor • Hydrogen Ventilation

  5. Battery Cage • Design • Material • Cost • Efficiency

  6. Battery Cage Analysis

  7. Battery Cage Stress Analysis Stress Analysis Displacement Analysis

  8. Battery Configuration • Addition of 6 batteries • Increases range • Series/Parallel • Field Voltage Pack • Increases speed • Increases torque

  9. Range - Calculations

  10. Speed - Calculations

  11. Battery Rejuvenation • Rob Matthies • Process • Analyze Battery • Recondition Battery

  12. Rejuvenation Process • Analyze Battery • Determine discharge rate • Natural voltage

  13. Rejuvenation Process • Recondition Battery • Use a battery reconditioner • Shake battery • Charge, Discharge and Repeat • Good Battery

  14. Heat Sink • Regulating Controller Temperature

  15. Motor Air Induction • Keep motor cool at 96V • Size of fan

  16. Hydrogen Ventilation • Fan Size • Fan Mounting

  17. Cost Analysis

  18. Conversion Manual

  19. Conclusion • Specifications met • Under Budget

  20. Future Plans • Battery revival • Shaker Table • Order Parts • Heat Transfer Analysis • Finalize Cage Design

  21. References • Brant, Bob. Build Your Own Electric Vehicle. TBA Books, Blue Ridge Summit, PA. 1994 • “Evalbum”, (11/6/08), www.evalbum.com • Barkley, Michael.(9/10/08) “Mitsubishi Eclipse Conversion”, (TexomaEV.com) http://www.texomaev.com/ (Accessed: 9/26/08)

  22. Acknowledgements • Rob Matthies • Dr. Hollis • Andrew Park • Michael Barkley • Dr. Clark

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