Shell Eco-marathon United States 2026 | Green Warriors

United States 2026

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703

US0116002 Green Warriors

Wawasee High School

Urban Concept UC Battery-Electric BE

Results

Attempt 2

86.1

53.5

km/kWh

mi/kWh

Best attempt

Current Rank

5th / 10

4 95.8 km/kWh 59.5 mi/kWh +11.3%

5 86.1 km/kWh 53.5 mi/kWh

6 59.5 km/kWh 37.0 mi/kWh -30.9%

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

1 / 1

Passed

2. Inspection Queue Entry

4 / 4

Passed

3. Driver's Control

24 / 24

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)

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

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)

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

Fire retardant gloves - Reserve Driver (22 c)

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

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

FCR balaclava if used - Reserve Driver (22 d)

Driver weight (> 70kg) - Reserve 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 / 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)

Width at drivers shoulder > 700 mm - Reserve 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

26 / 26

Passed

7. Mechanical Vehicle Design

33 / 33

Passed

8. Electrical Vehicle Design

22 / 22

Correct vehicle electrical schematic (67 c)

Charger built for battery (57 d) iii)

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

Capacity < 1000 Wh (57 d) iv)

Max 60 V Peak (57 a)

Only one Battery, 2 terminals, single physical package (57 b) ii)

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

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

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

Main fuse is sized correctly for the system (57 e)

Drivers Display (57 i)

Elec system has proper fuse protection (57 g)

Electrical enclosures - transparent (57 j)

Electrical wiring connections visible/no splices (57 k)

JM Installation in engine compartment (56 c)

JM visible and accessible from outside (56 b)

JM Correct circuit location (56 c)

JM Counting Correctly (56 c)

Internal Estop Switch (37 g) i)

External Estop mounting location (37 g) ii)

Latching External Estop push button (no push/pull levers) (37 k)

Blue triangle sticker (37 g) iii)

Passed

9. Energy Verification

10 / 10

Documentation - Battery/BMS (67 c)

Documentation - Motor controller (67 c)

Documentation - Schematic (67 c)

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

In-vehicle Battery Management System (57 d) i)

Purpose built motor controller (66 a)

Estop Function - Physical Isolation of Batt (37 e)

Dead man's switch (37 i)

Efficiency of emergency shutdown (37)

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

Passed

10. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Americas 2025	Urban Concept UC	Battery Electric Battery Electric	3	68.38km/kWh 42.49mi/kWh
Americas 2024	Prototype P	Battery Electric Battery Electric	12	199.13km/kWh 123.73mi/kWh
Americas 2023	Prototype P	Battery Electric Battery Electric	1	1087.81km/kWh 675.93mi/kWh
United States 2022	Prototype P	Battery Electric Battery Electric	-	Did not pass technical inspection

United States 2026

US0116002 Green Warriors

Wawasee High School

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

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