1. Tear Down of a Vectrix electric scooter (aka motorcycle) http://www.vectrixusa.com/ September 20, 2007 Presented by: Richard Nass, Editor-in-Chief, Embedded Systems Design & John Day, Staff Field Apps Engineer, Microchip

3. The Frame

4. The Instrument Cluster

5. The Test Drive

6. Nickel Metal Hydride Battery Pack –(102) 30Ah cells series wired mounted in two packs (48 and 54 cells respectively) –125V / 30 Ah –3.7 kW-h –2 Hour (80% charge) recharge with 1.5KW universal on board charger –1,700 average Discharge Cycles (80% charge)

7. Brushless DC Motor –3-phase, Permanent Magnet, Sensored –12-pole, 16-slot –6:1 Planetary Gear Reduction 20 kW @ 3000 rpm Peak Power 65 Nm / 48 Ft-Lb Peak Torque 22 Nm / 18 Ft-Lb Continuous Torque 6000 RPM Maximum

10. Tear Down of a Vectrix electric scooter (aka motorcycle) http://www.vectrixusa.com/ September 20, 2007 Presented by: Richard Nass, Editor-in-Chief, Embedded Systems Design & John Day, Staff Field Apps Engineer, Microchip