Shell Eco-marathon Indonesia 2022 | Bumi Siliwangi 4 | Universitas Pendidikan Indonesia

Indonesia 2022

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717

ID0037001 Bumi Siliwangi 4

Universitas Pendidikan Indonesia

Urban Concept UC Battery Electric Battery Electric

Results

Attempt 3

98.9

61.4

km/kWh

mi/kWh

Best attempt

Current Rank

3rd / 5

2 112.4 km/kWh 69.8 mi/kWh +13.7%

3 98.9 km/kWh 61.4 mi/kWh

4 70.3 km/kWh 43.7 mi/kWh -28.9%

Technical Inspections

Before they get on track, Urban Concept vehicles need to pass a series of 13 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

13/13
Complete 13/13 inspections passed

Passed

1. Inspection Queue Entry

4 / 4

Passed

2. Driver's Control

15 / 15

Appropriate motorsports helmet (s) - Primary Driver (21 a)

Helmet label readable - Primary Driver (21 a)

Helmet has no cracks/indentations - Primary Driver (21 a)

Visor is clear and has no cracks - Primary Driver (21 b)

Racing suit (s) / Gloves - Primary Driver (21 a, c)

Single piece fire retardant racing suit - Primary Driver (22 a)

Shoes; socks & balacava/FRC - Primary Driver (22 b, d)

Driver weight (> 70kg) - Primary Driver (20 a)

Ballast required?

Ballast based on lightest driver (20 c)

Ballast of suitable type, proper location, sealed (20 b)

SHELL logo front / both sides (4 a-g)

Partner sticker oth sides (4 a-g)

Race number front / both sides (4 a-g)

Other stickers < 400 cm² (4 a-g)

Passed

3. Vehicle Weight

2 / 2

Passed

4. Vehicle Dimensions

10 / 10

Height 1000 - 1300 mm (45 a)

Width 1200 - 1300 mm (45 b)

Length 2200 - 3500 mm (45 c)

Track width >1000 mm (front) (45 d)

Track width > 800 mm (rear) (45 d)

Wheelbase > 1200 mm (45 e)

Ground clearance > 100mm (45 g)

Drivers comparment > 880 mm (45 f)

Width at drivers shoulder > 700 mm - Primary Driver (45 f)

Two Doors - Min 500 x 800 mm (46 d)

Passed

5. Seat Belts & Roll bar

11 / 11

Safety Belts = 5 mounting points (29 a-b)

Safety Belts - chassis fixing (29 d)

Crotch strap under body (29 b)

Top strap at 10° angle (29 b)

Length adjustor high enough for adjustement (29 b)

Safety belt has a tight fit (no slack) (29 c)

Safety belt strenght verified (29 d)

Quality of body driver collision protection (26 a)

Roll bar resist 70 kg all directions (26 d)

Roll bar 50 mm > driver's head - Primary Driver (26 b)

Roll bar width > shoulders - Primary Driver (26 c)

Passed

6. Brakes

10 / 10

Brake rotors point in direction of wheel rotation (43 a)

Ergonomy (both hands on steering mech.) (43 a)

Effectiveness Ramp Test (43 b)

4 disc hydraulic brake (51 a)

X design or front / rear (51 b)

Brake pedal 2,500 mm² (51 a)

Parking brake (50 N) (51 e)

Disc thickness > 3 mm (51 a)

One dual master cylinder or 2 master cyls (51 c)

Comm brake sys (manuf's docs). Not bicycle (51 a)

Passed

7. Visibility

6 / 6

Passed

8. Exit

1 / 1

Passed

9. Mechanical Vehicle Design

27 / 27

Passed

10. Electrical Vehicle Design

15 / 15

Correct vehicle electrical schematic (58 c)

Electrical enclosures - transparent (57 j)

Only one Battery, single physical package (57 b)

Max 48 V nominal (60 V Peak) (57 a)

Capacity < 1000 Wh (57 d iv)

Main fuse < 300 mm from +ve terminal (57 e)

Batt mount firm, behind b/head, not under seat (57 c)

Solid metal containment tray OR Lipo bag (57 d vi)

Charger built for battery (57 d iii)

Charging Protection (fire blanket, Lipo bag) (24 h)

Electrical wiring connections visible/no splices (57 k)

Elec system has proper fuse protection (57 e)

JM Installation in engine compartment (56 a)

JM Correct circuit location (56 d)

JM counting correctly (56 d)

Passed

11. Energy Verification

12 / 12

Doc'n (schematic, Batt/BMS, m.controller) (58 c)

Only two terminals (57 b)

Batt + and - isolated from frame and body (57 f)

Self-built batt - cell level current protection (57 d ii)

In-vehicle Battery Management System (57 d i)

Purpose built motor controller (67 a)

Blue triangle sticker (37 f (iii))

Dead man's switch (37 h)

Latching push button (no push/pull levers) (37 g)

Internal/External Estop Switch (37 f)

Physical Estop (37 d)

Efficiency of emergency shutdown (37 a-c)

Passed

12. Telemetry

8 / 8

Passed

13. Final Check

3 / 3

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Asia Pacific and the Middle East 2023	Urban Concept UC	Battery Electric Battery Electric	6	60.19km/kWh 37.4mi/kWh

Indonesia 2022

ID0037001 Bumi Siliwangi 4

Universitas Pendidikan Indonesia

Results

Attempt 1

Attempt 2

Attempt 3

Current Rank

Technical Inspections

1. Inspection Queue Entry

2. Driver's Control

3. Vehicle Weight

4. Vehicle Dimensions

5. Seat Belts & Roll bar

6. Brakes

7. Visibility

8. Exit

9. Mechanical Vehicle Design

10. Electrical Vehicle Design

11. Energy Verification

12. Telemetry

13. Final Check

Previous participation