Shell Eco-marathon United States 2026 | Experimental Vehicle Team 1

United States 2026

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601

US0084001 Experimental Vehicle Team 1

Saint Thomas Academy

Urban Concept UC Hydrogen Fuel Cell H2

Results

Attempt 4

301.9

187.6

km/m3

mi/m3

Best attempt

Current Rank

1st / 3

1 301.9 km/m3 187.6 mi/m3

2 110.4 km/m3 68.6 mi/m3 -63.4%

Technical Inspections

Before they get on track, Urban Concept vehicles need to pass a series of 10 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

10/10
Complete 10/10 inspections passed

Passed

1. Telemetry

3 / 3

Passed

2. Inspection Queue Entry

4 / 4

Passed

3. Driver's Control

14 / 14

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

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)

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

Fire retardant gloves - Primary Driver (22 c)

Flat, closed toe shoes - Primary Driver (22 b)

Cotton socks, no bare skin visible - Primary Driver (22 b, e)

FCR balaclava if used - Primary Driver (22 d)

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

Ballast required? (20 b)

Ballast based on lightest driver (20 b)

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

Number of ballast locations (20 b)

Passed

4. Vehicle Dimensions

9 / 9

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)

Passed

5. Brakes

10 / 10

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. One dual master cylinder or 2 master cyls (51 b)

Single brake pedal with at least 2,500 mm² (51 a)

Parking brake must keep vehicle stationary (51 d)

Disc thickness > 3 mm (51 a)

Commercial brake system, not bicycle (51 a)

Passed

6. Driver Safety

21 / 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)

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

Crotch strap under body (29 b)

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

Safety belt has a tight fit (no slack), length adjustor high enough for adjustment (29 c)

No modifications of safety belt (29 h)

Safety belt strength verified (29 d)

Quality of body driver collision protection (26 a)

Internal/ext'l opening mech effective/intuitive (30 c)

Method of opening accurately marked with sticker (30 c)

No adhesive tape to close driver compartment from outside (30 d)

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)

Front vis 180° & Tint - driver must be seen - Primary Driver (28 a)

Rear visibility - see cheat sheet - Primary Driver (28 b)

Quality of body driver collision protection (26 a-d)

Crumple space-protect from front/side impact (25 a) ii, 26 a)

Passed

7. Mechanical Vehicle Design

33 / 33

Passed

8. Electrical Vehicle Design

27 / 27

Passed

9. Energy Verification

19 / 19

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

No external starter battery (65 k) i)

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 d)

Flowmeter installed and functioning (65 a) v, g) iii)

JM Counting Correctly (56 c)

Supercap Joulemeter reading voltage & Energy (65 i) iii)

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

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

Passed

10. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Americas 2025	Urban Concept UC	Hydrogen Fuel Cell H2	1	201.67km/m3 125.31mi/m3
Americas 2024	Urban Concept UC	Hydrogen Fuel Cell H2	1	236.03km/m3 146.66mi/m3
Americas 2023	Urban Concept UC	Hydrogen Fuel Cell H2	1	189.85km/m3 117.97mi/m3

United States 2026

US0084001 Experimental Vehicle Team 1

Saint Thomas Academy

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Attempt 5

Current Rank

Technical Inspections

1. Telemetry

2. Inspection Queue Entry

3. Driver's Control

4. Vehicle Dimensions

5. Brakes

6. Driver Safety

7. Mechanical Vehicle Design

8. Electrical Vehicle Design

9. Energy Verification

10. Final Check

Previous participation