Shell Eco-marathon Americas 2025 | Bruin Supermileage | University of California Los Angeles

Americas 2025

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US0101002 Bruin Supermileage

University of California Los Angeles

Urban Concept UC Hydrogen Fuel Cell H2

Technical Inspections

Before they get on track, Urban Concept vehicles need to pass a series of 12 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

2/12
In progress 2/12 inspections passed

Passed

1. Inspection Queue Entry

8 / 10

Bound/Printed documentation (67 c)

Telemetry equipment installed (67 c)

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

Charger (57 d iii)

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

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

Partner sticker both sides (4 a-c)

Lift here arrow stickers (26 f)

Opening mechanism stickers (30 c)

Other stickers < 400 cm² (4 d)

Must pass again

2. Driver's Control

18 / 19

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

Helmet label readable - Primary Driver (21 c)

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

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

Racing suit (s) / Gloves - Primary Driver (21 d)

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)

Appropriate motorsports helmet - Reserve Driver (21 a-f)

Helmet label readable - Reserve Driver (21 c)

Helmet has no cracks/indentations - Reserve Driver (21 c)

Visor is clear and has no cracks - Reserve Driver (21 d)

Racing suit (s) / Gloves - Reserve Driver (21 d)

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

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

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

Ballast required?

Ballast based on lightest driver (20 c)

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

Passed

3. Vehicle Weight

2 / 2

Must pass again

4. Brakes

7 / 11

Brake documentation (67 c ii)

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

Ergonomy (both hands on steering mech.) (32 c)

Effectiveness Ramp Test - Dynamic (51 e)

4 disc hydraulic brake (51 a)

X design or front / rear (51 b)

Brake pedal 2,500 mm² (51 a)

Parking brake must keep vehicle stationary on ramp (51 d)

Disc thickness > 3 mm (51 a)

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

Commercial brake system, not bicycle (51 a)

Not yet started

5. Vehicle Dimensions

0 / 11

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 compartment > 880 mm (45 f)

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

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

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

Not yet started

6. Seat Belts, Roll bar & Exit

0 / 21

Safety belt must be designed for motorsports use (29 g)

Mounting points are clearly accessible for inspection (29 e)

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

Safety Belts - chassis fixing (29 d)

Must have 5 independent belts attached to structure (29 a)

Crotch strap under body (29 b)

Top strap angle (29 b)

Safety belt must be in straight line between mounting point and shoulder (29 f)

Length adjustor high enough for adjustement (29 b)

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

No modifications of safety belt (29 h)

Safety belt strength verified (29 d)

Crumple space-protect from front/side impact (25 a ii)

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)

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

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

Driver exit < 10 seconds - Primary Driver (30 a-d)

Driver exit < 10 seconds - Reserve Driver (30 a-d)

Not yet started

7. Visibility

0 / 8

Not yet started

8. Mechanical Vehicle Design

0 / 32

Must pass again

9. Electrical Vehicle Design

18 / 25

Not yet started

10. Energy Verification

0 / 18

Documentation (schematic, H2 flow, fuel cell, regulator) (67 c, 65 a i)

No external starter battery (65 k iii)

Hydrogen cylinder firmly installed (65 b iv)

Regulator installed correctly (65 a iv 1)

Pipe H2 suitable, S.Steel (1.0 bar), PTFE (<1.0 bar) (65 e)

Connectors H2 OK (comp type, no Teflon) (65 e iv)

Normally closed solenoid valve (37 f i)

Pressure relief valve installed and set correctly (65 a iv 4)

Pressure relief valve vents outside vehicle (65 a iv 4)

Purge pipe vents outside or not used (65 f)

Correct system design (65 a iv)

2 ventilation holes 5 cm² (65 c)

Hydrogen sensor at highest point (65 d)

Leak Check OK (65 e)

Telemetry H2 flowmeter installed (70)

Emergency shutdown function (H2 Valve & Propulsion) (37 f iii)

Efficiency of Estop (3 methods, valve/MC) (37 f iii)

Dead man's switch (37 i)

Not yet started

11. Telemetry

0 / 8

Not yet started

12. Final Check

0 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
United States 2026	Urban Concept UC	Hydrogen Fuel Cell H2	-	Did not pass technical inspection
Americas 2024	Urban Concept UC	Hydrogen Fuel Cell H2	-	Did not pass technical inspection
Americas 2023	Urban Concept UC	Battery Electric Battery Electric	3	44.93km/kWh 27.92mi/kWh
United States 2022	Urban Concept UC	Battery Electric Battery Electric	-	Passed technical inspection

Americas 2025

US0101002 Bruin Supermileage

University of California Los Angeles

Technical Inspections

1. Inspection Queue Entry

2. Driver's Control

3. Vehicle Weight

4. Brakes

5. Vehicle Dimensions

6. Seat Belts, Roll bar & Exit

7. Visibility

8. Mechanical Vehicle Design

9. Electrical Vehicle Design

10. Energy Verification

11. Telemetry

12. Final Check

Previous participation