Shell Eco-marathon Europe and Africa 2024 | DELTA X

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725

TR0068001 DELTA X

TEYFEN

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.

1/12
In progress 1/12 inspections passed

Must pass again

1. Inspection Queue Entry

1 / 4

Must pass again

2. Driver's Control

16 / 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

Must pass again

4. Brakes

8 / 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)

Must pass again

5. Vehicle Dimensions

10 / 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)

Must pass again

6. Seat Belts, Roll bar & Exit

8 / 15

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)

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

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

Must pass again

7. Visibility

5 / 9

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

Rear visibility + Mirrors > 25 cm² - Primary Driver (28 b)

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

Rear visibility + Mirrors > 25 cm² - Reserve Driver (28 b)

Windscreen & wiper (52, 28 a)

Window tint - driver must be seen

Electrical automotive horn (31 a)

Horn sound level > 85 dBa @ 4 m (31 b-c)

Horn uses accessory/ propulsion battery (31 d)

Must pass again

8. Mechanical Vehicle Design

15 / 28

Must pass again

9. Electrical Vehicle Design

2 / 20

Correct vehicle electrical schematic (58 c)

Charger built for battery (57 d iii)

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

Capacity < 1000 Wh (57 d iv)

Max 48 V nominal (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)

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))

Must pass again

10. Energy Verification

1 / 12

Doc'n (schematic) (58 c)

Doc'n (Batt/BMS) (58 c)

Doc'n (motor controller) (58 c)

Doc'n (motor size) (58 c)

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

In-vehicle Battery Management System (57 d i)

Purpose built motor controller (67 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)

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

Not yet started

11. Telemetry

0 / 8

Not yet started

12. Final Check

0 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Europe and Africa 2025	Prototype	Battery Electric	-	Did not pass technical inspection

TR0068001 DELTA X

TEYFEN

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