Shell Eco-marathon Brazil 2025 | Green E-Car

Brazil 2025

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701

BR0048002 Green E-Car

UTFPR Medianeira

Urban Concept UC Battery-Electric BE

Results

Attempt 4

25.3

15.7

km/kWh

mi/kWh

Best attempt

Current Rank

1st / 1

1 25.3 km/kWh 15.7 mi/kWh

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. Inspection Queue Entry

11 / 11

Pre-inspection self-checks completed

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. Vehicle Weight

2 / 2

Passed

3. Driver & Safety Gear

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

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. Driver Safety

19 / 19

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 at 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)

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)

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

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

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

Passed

6. 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

7. Mechanical Vehicle Design

37 / 37

Passed

8. Electrical Vehicle Design

21 / 21

Correct vehicle electrical schematic (67 c)

Charger built for battery (57 d iii)

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

Capacity < 1000 Wh (57 d iv)

Max 60 V Peak (57 a)

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

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)

Elec system has proper fuse protection (57 e)

Electrical enclosures - transparent (57 j)

Wiring organized and safe (27a, 57 k)

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 f i)

External Estop mounting location (37 f ii)

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

Blue triangle sticker (37 f iii)

Passed

9. Energy Verification

13 / 13

Documentation - Schematic (67 c)

Documentation - Battery/BMS (67 c)

Documentation - Motor controller (67 c)

Documentation - Motor size (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)

JM Position in circuit (56 d)

Estop Function - Physical Isolation of Batt (37 d)

Dead man's switch (37 h)

Efficiency of emergency shutdown (37 a-c)

JM Counting Correctly (56 c)

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

Passed

10. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Brazil 2024	Urban Concept UC	Battery Electric Battery Electric	1	24.55km/kWh 15.25mi/kWh
Brazil 2023	Urban Concept UC	Battery Electric Battery Electric	-	Passed technical inspection

Brazil 2025

BR0048002 Green E-Car

UTFPR Medianeira

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Current Rank

Technical Inspections

1. Inspection Queue Entry

2. Vehicle Weight

3. Driver & Safety Gear

4. Brakes

5. Driver Safety

6. Vehicle Dimensions

7. Mechanical Vehicle Design

8. Electrical Vehicle Design

9. Energy Verification

10. Final Check

Previous participation