Shell Eco-marathon Europe and Africa 2023 | HydRU Racing Team

Europe and Africa 2023

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607

BG0005002 HydRU Racing Team

University of Ruse

Urban Concept UC Hydrogen Fuel Cell H2

Results

Attempt 3

100.5

62.5

km/m3

mi/m3

Best attempt

Current Rank

8th / 8

7 114.7 km/m3 71.3 mi/m3 +14.1%

8 100.5 km/m3 62.5 mi/m3

Technical Inspections

Before they get on track, Urban Concept vehicles need to pass a series of 13 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

13/13
Complete 13/13 inspections passed

Passed

1. Inspection Queue Entry

2 / 2

Passed

2. Driver's Control

23 / 23

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

Helmet label readable - Primary Driver (21 a)

Helmet has no cracks/indentations - Primary Driver (21 a)

Visor is clear and has no cracks - Primary Driver (21 b)

Racing suit (s) / Gloves - Primary Driver (21 a, c)

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 (s) - Reserve Driver (21 a)

Helmet label readable - Reserve Driver (21 a)

Helmet has no cracks/indentations - Reserve Driver (21 a)

Visor is clear and has no cracks - Reserve Driver (21 b)

Racing suit (s) / Gloves - Reserve Driver (22 a, c)

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)

SHELL logo front / both sides (4 a-g)

Race number front / both sides (4 a-g)

Partner sticker both sides (4 a-g)

Other stickers < 400 cm² (4 a-g)

Passed

3. Vehicle Weight

2 / 2

Passed

4. 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 comparment > 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

5. Seat Belts & Roll bar

13 / 13

Safety Belts = 5 mounting points (29 a-b)

Safety Belts - chassis fixing (29 d)

Crotch strap under body (29 b)

Top strap at 10° angle (29 b)

Length adjustor high enough for adjustement (29 b)

Safety belt has a tight fit (no slack) (29 c)

Safety belt strenght 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)

Roll bar 50 mm > driver's head - Reserve Driver (26 b)

Roll bar width > shoulders - Reserve Driver (26 c)

Passed

6. Brakes

10 / 10

Brake rotors point in direction of wheel rotation (43 a)

Ergonomy (both hands on steering mech.) (43 a)

Effectiveness Ramp Test (43 b)

4 disc hydraulic brake (51 a)

X design or front / rear (51 b)

Brake pedal 2,500 mm² (51 a)

Parking brake (50 N) (51 e)

Disc thickness > 3 mm (51 a)

One dual master cylinder or 2 master cyls (51 c)

Comm brake sys (manuf's docs). Not bicycle (51 a)

Passed

7. Visibility

8 / 8

Passed

8. Exit

2 / 2

Passed

9. Mechanical Vehicle Design

27 / 27

Passed

10. Electrical Vehicle Design

18 / 18

Correct vehicle electrical schematic (58 c)

Electrical enclosures - transparent (57 j)

Only one Battery, single physical package (57 b)

Max 48 V nominal (60 V Peak) (57 a)

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

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

Electrical wiring connections visible/no splices (57 k)

Elec system has proper fuse protection (57 e)

Acceptable electrically powered devices (57 h, i)

JM Installation in engine compartment (56 c)

JM Correct circuit location (56 d)

JM Counting Correctly (56 d)

Fuse on +ve of FC, <300mm, size < surf area (57 e)

Accessory circuit isolated from propulsion (65 k, m)

Super Cap voltage > system V (57 a)

Fuse on +ve of SC, <300mm, size OK (57 e)

Super Cap External connectors (63 c)

Super Cap Electrical Isolation from body/frame (57 f)

Passed

11. Energy Verification

19 / 19

Doc'n (schematic, H2 flow, fuel cell) (58 c, 65 a)

Correct system design (65 a)

Pipe H2 suitable, S.Steel (1.5b), PTFE (<1.5b) (65 f)

Connectors H2 OK (comp type, no teflon) (65 f)

2 ventilation holes 5 cm² (65 c)

Hydrogen sensor at highest point (65 d)

Normally closed solenoid valve (65 e)

Hydrogen cylinder firmly installed (65 b v, vi)

Installed Press. valve must vent outsdie vehicle (65 f, v)

Flowmeter installed and functioning (65 a, h)

Telemetry H2 flowmeter installed (83)

Purge pipe vents outside or not used (65 g)

Emergency shutdown

Internal/External Estop Switch (37 f)

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

Efficiency of Estop (3 methods, valve/MC) (37 a-c)

Dead man's switch (37 h)

Blue triangle sticker (37 f (iii))

Joulemeter in place for Supercap

Passed

12. Telemetry

8 / 8

Passed

13. Final Check

4 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Poland 2026	Urban Concept UC	Battery Electric Battery Electric	5	220.18km/kWh 136.81mi/kWh
Europe and Africa 2025	Urban Concept UC	Battery Electric Battery Electric	9	110.34km/kWh 68.56mi/kWh
Europe and Africa 2024	Urban Concept UC	Hydrogen Fuel Cell H2	-	Passed technical inspection
Netherlands 2022	Urban Concept UC	Hydrogen Fuel Cell H2	7	108.22km/m3 67.25mi/m3

Europe and Africa 2023

BG0005002 HydRU Racing Team

University of Ruse

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. Vehicle Dimensions

5. Seat Belts & Roll bar

6. Brakes

7. Visibility

8. Exit

9. Mechanical Vehicle Design

10. Electrical Vehicle Design

11. Energy Verification

12. Telemetry

13. Final Check

Previous participation