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Mechanical Engineering Mr. T. van der Schyff C. Nijeboer (GL) M. Ruperti E. Labuscagne S. Lebatlang

Mechanical Engineering Mr. T. van der Schyff C. Nijeboer (GL) M. Ruperti E. Labuscagne S. Lebatlang. Electrical Engineering Mr. R. Pentz L. Schmidt (GL) E. Louw W. Volschenk D. Tolken. Industrial Designing G. Coetzee. CONTENT. - Background - Introduction - Vision - Mission

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Mechanical Engineering Mr. T. van der Schyff C. Nijeboer (GL) M. Ruperti E. Labuscagne S. Lebatlang

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  1. Mechanical Engineering • Mr. T. van der Schyff • C. Nijeboer (GL) • M. Ruperti • E. Labuscagne • S. Lebatlang Electrical Engineering • Mr. R. Pentz • L. Schmidt (GL) • E. Louw • W. Volschenk • D. Tolken Industrial DesigningG. Coetzee THE ENGINEERING PULSE OF AFRICA

  2. CONTENT - Background - Introduction - Vision - Mission - Internationalization - Electrical - Mechanical - Resource management - Poster THE ENGINEERING PULSE OF AFRICA

  3. BACKGROUND • European Shell Eco-Marathon • Divisions - Urban - Prototype • Aim of the challenge – Efficiency (km/l) • Prototype - Distance, 25.6 km (8 x 3.2) - Time, 51 minutes - Average speed, 30 km/h THE ENGINEERING PULSE OF AFRICA

  4. INTRODUCTION Steering, Suspension C. Nijeboer (GL) Mechanical Team Aerodynamics, Wheels M. Ruperti Brakes, Monocoque E. Labuscagne Drivetrain, Monocoque S. Lebatlang Motor L. Schmidt (GL) Electrical Team Fuel management E. Louw Motor W. Volschenk Fuel management D. Tolken Industrial Designer Body shape G. Coetzee THE ENGINEERING PULSE OF AFRICA

  5. VISION • Promote the use of alternative energy resources • Involve schools to create interest and to up the standards in the science and technology department • Improve CPUT’s collaboration with The Hague Hogeschool • Study of latest composite materials THE ENGINEERING PULSE OF AFRICA

  6. MISSION Mission What Where CPUT (South Africa) Hydrogen powered vehicle When Why To win a world class event Prototype finished by October 2011 and participating in May 2012 How Using state of the art technology THE ENGINEERING PULSE OF AFRICA

  7. INTERNATIONALIZATION • Setting new benchmarks for Africa • Exchanging knowledge • Different approaches to problem solving • Building new relationships • Experience different cultures • Synchronising schedules between the two faculties, CPUT and The Hague THE ENGINEERING PULSE OF AFRICA

  8. ELECTRICAL Motor Drive: THE ENGINEERING PULSE OF AFRICA

  9. ELECTRICAL Controller: Throttle Input Signal Controller Switching Circuit Hall Effect Sensor from Motor THE ENGINEERING PULSE OF AFRICA

  10. ELECTRICAL Motor Specifications: Torque, Voltage, Current, Power • PRO’s • 3 phase • No transmission required • CON’s • Does not meetall specifications • PRO’s • 3 Phase • Meetsall specifications • CON’s • Transmission required Hub Motors Brushless DC Motors Therefore the Brushless DC Motor was chosen THE ENGINEERING PULSE OF AFRICA

  11. ELECTRICAL • Fuel Cell: - No complex humidification - No heavy air compressor - Wide power range - No liquid cooling of the stack - Quick and easy to replace a single damaged cells - 5kg MES 1.0 THE ENGINEERING PULSE OF AFRICA

  12. ELECTRICAL • Capacitors: - Depending on demand of motor (Torque) - Depending on backup system - Maxwell 350F - 2.7V - 10 year life span - Lightweight construction (63g each) - Higher energy capacity then batteries THE ENGINEERING PULSE OF AFRICA

  13. ELECTRICAL Fuel Control topology: THE ENGINEERING PULSE OF AFRICA

  14. MECHANICAL Skin Former / Ribs • Semi Monocoque: - Internal ribs for strengthening - Maximizes strength to weight ratio - Allows integration of sub-componets • Drive train: - Reduction box - Solid drive shaft Bulkhead THE ENGINEERING PULSE OF AFRICA

  15. MECHANICAL • Steering: - Rear wheel steering - Universal rotary steering system - Freewheel bearings (Front Axle) • Suspension: - Alternative methods than conventional shock absorbers - Involving composite material properties THE ENGINEERING PULSE OF AFRICA

  16. MECHANICAL • Wheels: - Front wheel 20” - Back wheels 14” • Brakes: - Hydraulic disc brakes (used on mountain bikes) - High braking power - Lightweight THE ENGINEERING PULSE OF AFRICA

  17. RESOURCE MANAGEMENT • Interviews with 2009 and 2010 project managers • Meta design-Collaborate key skills, Mechanical engineering, Electric engineering, industrial engineering, marketing, human resources, graphic design, industrial design, IT THE ENGINEERING PULSE OF AFRICA

  18. POSTER THE ENGINEERING PULSE OF AFRICA

  19. THANK YOU THE ENGINEERING PULSE OF AFRICA

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