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 THE ENGINEERING PULSE OF AFRICA Industrial Designing G. Coetzee

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

3.  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 BACKGROUND THE ENGINEERING PULSE OF AFRICA

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

5.  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 VISION

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

7.  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 INTERNATIONALIZATION

8. ELECTRICAL THE ENGINEERING PULSE OF AFRICA Motor Drive:

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

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

11.  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 THE ENGINEERING PULSE OF AFRICA MES 1.0

12.  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 ELECTRICAL THE ENGINEERING PULSE OF AFRICA

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

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

15.  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 MECHANICAL

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

17.  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 RESOURCE MANAGEMENT THE ENGINEERING PULSE OF AFRICA

18. POSTER THE ENGINEERING PULSE OF AFRICA

19. THANK YOU THE ENGINEERING PULSE OF AFRICA