Shell Eco-marathon Americas 2025 | UM Supermileage: Maple

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511

US0109002 UM Supermileage: Maple

University of Michigan Ann Arbor

Results

Attempt 2

61.5

144.6

km/l

mpg us

BEST RESULT

1 2 3 4

Current Rank

7th / 7

6 86.1 km/l 202.5 mpg us +40.0%

7 61.5 km/l 144.6 mpg us

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

8 / 8

Passed

2. Driver's Control

19 / 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

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

11 / 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)

Passed

6. Seat Belts, Roll bar & Exit

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-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)

Passed

7. Visibility

8 / 8

Passed

8. Mechanical Vehicle Design

32 / 32

Passed

9. Electrical Vehicle Design

18 / 18

Correct vehicle electrical schematic (67 c)

Max 60 V Peak (57 a)

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

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)

Only allowed electrical devices powered by accessory battery (57 h)

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

10. Energy Verification

36 / 36

Passed

11. Telemetry

8 / 8

Passed

12. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Americas 2024	Urban Concept	Internal Combustion Engine (Gasoline)	-	Passed technical inspection
Americas 2023	Urban Concept	Internal Combustion Engine (Gasoline)	-	Did not pass technical inspection

US0109002 UM Supermileage: Maple

University of Michigan Ann Arbor

Results

Attempt 1

Attempt 2

Attempt 3

Attempt 4

Current Rank

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