The document summarizes the design of an electrically assisted human powered vehicle. It includes sections on the center of gravity calculation, bill of materials and mass table, cost analysis, performance analysis, assembly specifications, CAD assembly files, and project timeline. The key details are the vehicle will have a total mass of 184.7kg, cost $9,450 to produce, and be able to reach speeds of up to 40kph with electric assist while accommodating a single rider weighing up to 120kg.

1. Electrically assisted human powered vehicle

5. BOM & Mass Table SUSPENSION SECTION (Note: Sample calculation shown here only. Information not available) Part Number Rev level Asy level Description Coordinate Mass (kg) Cost ($) 1 2 3 4 5 S10010 A00 2 Front Suspension 0 0 400 2.70 200 S10020 A00 2 Front Brakes 0 0 330 0.90 100 S10030 A00 2 Front Wheels 0 0 330 1.40 60 S10040 A00 1 Front Tires and Tube 0 0 330 1.20 60 S10050 A00 1 Steering system 250 0 370 1.20 150 S10060 A00 1 Steering controls 500 250 300 0.50 50 S10070 A00 1 Brake controls 150 50 500 0.50 50 S10080 A00 1 Rear suspension 1600 0 270 2.00 100 S10090 A00 1 Rear Wheel 1600 0 250 0.70 30 S10100 A00 1 Rear Tire and tube 1600 0 250 0.60 30 S10110 A00 1 Rear Brake 1800 0 250 0.45 50 SUSPENSION COG = 574.07 12.34 333.87 12.15 880

6. BOM & Mass Table ELECTRICAL SECTION (Note: Sample calculation shown here only. Information not available) Part Number Rev level Asy level Description Coordinate Mass (kg) Cost ($) 1 2 3 4 5 E20010 A00 2 Rechargeable Battery 189 80 105 8.20 120 E20020 A00 1 Sensors 117 61 37 0.20 80 E20030 A00 1 Microcontroller 100 20 100 0.05 10 E20040 A00 1 Controller Circuit Board 50 20 10 0.50 150 E20050 A00 2 Headlight 300 200 30 2.72 50 E20060 A00 2 Front Signal 113 66 113 0.91 60 E20070 A00 2 Back Light 80 108 80 1.76 50 E20080 A00 2 Windshield Wipers 127 30 130 9.20 50 E20090 A00 2 Motor 180 70 70 2.90 200 E20100 A00 2 Motor Driver 175 130 55 0.77 200 E20110 A00 1 Inverter 200 250 300 20 100 ELECTRICAL COG = 188.59 192.95 227.68 30.15 1070

7. BOM & Mass Table CHASSIS SECTION (Note: Sample calculation shown here only. Information not available) Part Number Rev level Asy level Description Coordinate Mass (kg) Cost ($) 1 2 3 4 5 C30011 A00 1 Frame 200 50 100 50 500 C30012 A00 1 Body sheet metal 150 250 100 20 500 C30013 A00 1 Windshield 200 100 100 10 150 C30014 A00 1 Roll-Bar 150 60 100 5 100 C30015 A00 1 Rider Protection Bar 150 50 50 5 100 CHASSIS COG = 183.33 100.56 97.22 90 1350

8. BOM & Mass Table SUSPENSION SECTION (Note: Sample calculation shown here only. Information not available) Part Number Rev level Asy level Description Coordinate Mass (kg) Cost ($) 1 2 3 4 5 H40010 A00 1 Driver Seat 100 200 100 40 200 H40020 A00 1 Seating Bracket 100 200 100 10 80 H40030 A00 1 Control Panel 50 250 50 0.5 80 H40040 A00 1 Wire Harness 80 20 80 0.5 60 H40050 A00 1 Stereo System 150 250 200 0.1 100 H40060 A00 1 CD Deck 150 250 200 0.3 100 H40070 A00 1 Speaker 100 20 100 0.5 30 H40080 A00 1 Pedal 80 50 80 0.5 50 HUMAN FACTOR COG = 99.52 195.99 99.33 52.4 700

9. BOM & Mass Table FINAL ASSEMBLY (Note: Sample calculation shown here only. Information not available) Final Assembly CoG location = (186.11, 136.91,134.68)* Total Final Assembly Mass = 184.7 kg* Part Number Rev level Asy level Description Coordinate Mass (g) Cost ($) 1 2 3 4 5 SUSPENSION SYSTEM 574.07 12.34 333.87 12.15 880 ELECTRICAL SYSTEM 188.59 192.95 227.68 30.15 1070 CHASSIS SYSTEM 183.33 100.56 97.22 90 1350 HUMAN FACTOR SYSTEM 99.52 195.99 99.33 52.4 700 FINAL ASSEMBLY COG = 186.11 136.91 134.68 184.7 4000

11. Performance Analysis Formulas for analysis Velocity Average Velocity Displacement Cornering Acceleration a r = v 2 /r Circular acceleration velocity acceleration time initial velocity average velocity initial velocity velocity distance or displacement time average velocity

12. Specification - Dimensions Item Measurement Specification Dimensions Overall Length ≤ 2.0 m Overall Height ≤ 1.5 m Overall Width ≤ 1.0 m Wheelbase 1.5 m Track 1.5 m Ground Clearance 0.12 m Seating Capacity 1

13. Specification – Weight & Drivetrain Item Measurement Specification Weight Gross Vehicle Weight 184.7 kg Rider 91 kg Payload 36 kg Drivetrain Type RWD Gear Ratio 5:1

14. Specification – Steering, Suspension, Alignment Item Measurement Specification Steering Type Go-Kart Type Overall Ratio 1:1 Steering Wheel Diameter Handle Bar Suspension Type Independent shock with coil spring Shock Absorber Nitrogen gas-filled Wheel Alignment Chamber Front: - 3.0, Rear: 0 Caster Front: 0, Rear: 0 Total toe-in Go-Kart Type

15. Specification – Brakes, Tires Item Measurement Specification Brakes Type Disk Brake Pad/Shoe Friction Surface area 2700 mm 2 Tires Size of Front and Rear Tires F – 26” Dia x 1.25” Width R – 26” Dia x 1.25” Width

16. System Integration Specification Team Sub-system Specification Parameter Value Units System Overall Dimensions Height h ≤ 1.5 m Width w ≤ 1.0 m Length l ≤ 2.0 m ground clearance h_ground 0.12 m Wheel Locations Wheelbase a+b 1.5 min m Track t 1.5 m Centre of Gravity Height h_cg ≤ 1.0 m Distance from front wheels a 0.6 m Mass Overall Mass M 184.7 kg Nominal Rider Mass M_rider 91 kg Maximum Rider Mass M_max_rider 120 kg Payload Mass M_payload 36 kg Payload Payload volume V_payload 0.303 m^3 Speed Performance Maximum speed for braking V_max_brake 40 kph Maximum powered speed V_max_power 40 kph Maximum speed up grade V_max_up 10 kph Average commute speed V_avg_commute 35 kph Grade Performance Maximum grade Grade N/A % Acceleration 400 m @ max 40 km/h A_0-40 36 s Maximum acceleration a_max 0.3086 m/s^2 Deceleration Ability to lock all wheels yes - Maximum deceleration @ 40 km/h d_max -0.7405 m/s^2 Cornering Maximum lateral acceleration a_lat_max N/A G Turning Performance Minimum turning circle R_turn 10.8 m Overall cost Prototype cost Cost_prototype 4000 $ Manufacturing cost Cost_manufacture 1000 $ Selling cost Cost_sell 9450 $

17. Components CAD – Future Suspension

18. Components CAD – Pedal Assembly

19. Components CAD – Pedal Assembly

20. Components CAD – Head Lamp

21. Components CAD – Head Lamp Dwg

22. Components CAD –Front Turn Signal

23. Components CAD –Front Turn Signal dwg

24. Components CAD –Turn Lamp

25. Turn Lamp

26. Component CAD Models-Brake Disc

27. Brake Disc Dwg

28. Rear Wheel Assembly

29. CAD Models- Frame

30. Canopy

32. Final Assembly CAD Models

33. Final Assembly CAD Models

34. Final Assembly CAD Models

35. Exploded View

36. Project Timeline Update