Shell Eco-marathon Americas 2025 | UTSM Hydro Chargers

Americas 2025

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CA0018002 UTSM Hydro Chargers

University of Toronto

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.

12/12
Complete 12/12 inspections passed

Passed

1. Inspection Queue Entry

10 / 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)

Passed

2. Driver's Control

11 / 11

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)

Ballast required?

Ballast based on lightest driver (20 c)

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

Passed

3. Vehicle Weight

2 / 2

Passed

4. Brakes

11 / 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)

Passed

5. 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 compartment > 880 mm (45 f)

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

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

Passed

6. Seat Belts, Roll bar & Exit

18 / 18

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)

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

Passed

7. Visibility

6 / 6

Passed

8. Mechanical Vehicle Design

32 / 32

Passed

9. Electrical Vehicle Design

31 / 31

Passed

10. Energy Verification

19 / 19

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)

Supercap Joulemeter reading voltage & Energy (65 i iii)

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)

Passed

11. Telemetry

8 / 8

Passed

12. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
United States 2026	Urban Concept UC	Hydrogen Fuel Cell H2	-	Passed technical inspection
Americas 2024	Urban Concept UC	Hydrogen Fuel Cell H2	-	Did not pass technical inspection

Americas 2025

CA0018002 UTSM Hydro Chargers

University of Toronto

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