Shell Eco-marathon Brazil 2022 | eWolf Racing

Brazil 2022

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311

BR0001001 eWolf Racing

CEFET RJ

Prototype P Battery Electric Battery Electric

Technical Inspections

Before they get on track, Prototype 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.

3/12
In progress 3/12 inspections passed

Not yet started

1. Inspection Queue Entry

0 / 3

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 (> 50kg) - 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 (> 50kg) - 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 oth sides (4 a-g)

Other stickers < 400 cm² (4 a-g)

Passed

3. Vehicle Weight

2 / 2

Passed

4. Vehicle Dimensions

6 / 6

Must pass again

5. Seat Belts & Roll bar

5 / 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)

Crumple space-protect from front/side impact (25 a ii)

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)

Not yet started

6. Brakes

0 / 9

Must pass again

7. Visibility

6 / 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)

Windows material (polycarbonate/lexan) (25 e)

Electrical automotive horn (31 a)

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

Horn uses accessory/ propulsion battery (31 d)

Driver not in head-first position (33)

Not yet started

8. Exit

0 / 2

Must pass again

9. Mechanical Vehicle Design

17 / 19

Fully closed body (25 j, g)

Quality of body driver collision protection (26 a-d)

Front Crumple Zone = 100 mm (25 a ii)

Solid floor & frame (25 i)

No external appendages or sharp edges (25 c)

Body panels do not change shape in wind (25 b, d)

Internal/ext'l opening mech effective/intuitive (30 c)

Method of opening marked with red arrow (30 c)

No tape outside to seal body cover (30 d)

Bulkhead rigid & fire resistant (27 b-d)

Bulkhead isolates energy/driver compartment (27 a)

Chain/belt guard (34 g)

Running wheels (Pr:3/4, UC:4) (25 a iii)

Wheels dimensions & matching rim OK (41 a-b)

Wheels isolated from driver, chassis, or body (41 c)

Nothing touching wheels (e.g. batt cables..) (41 e)

Steering efficiency no play (42 d)

If indirect/electr, safe b/up (man. override) (42 c)

If electronic steering no joystick (42 c)

Not yet started

10. Electrical Vehicle Design

0 / 12

Correct vehicle electrical schematic (58 c)

Electrical wiring connections visible/no splices (57 k)

Elec system has proper fuse protection (57 e)

Electrical enclosures - transparent (57 j)

Only one Battery, single physical package (57 b)

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

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

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

Charger built for battery (57 d iii)

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

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

Capacity < 1000 Wh (57 d iv)

Not yet started

11. Energy Verification

0 / 19

Doc'n (schematic, Batt/BMS, m.controller)

Li-Ion Battery System

Only two terminals (57 b)

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

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

In-vehicle Battery Management System (57 d i)

Motor/Controller System

Purpose built motor controller (67 a)

Emergency shutdown

Internal/External Estop Switch (37 f)

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

Physical Estop (37 d)

Efficiency of emergency shutdown (37 a-c)

Dead man's switch (37 h)

Blue triangle sticker (37 f (iii))

Joulemeter

Installation in engine compartment (56 a)

Read/reset from outside (56 c ii)

Position in circuit (before motor controller) (56 d)

Not yet started

12. Final Check

0 / 3

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Brazil 2025	Prototype P	Battery Electric Battery Electric	-	Passed technical inspection
Brazil 2024	Prototype P	Battery Electric Battery Electric	-	Passed technical inspection
Brazil 2023	Prototype P	Battery Electric Battery Electric	-	Did not pass technical inspection

Brazil 2022

BR0001001 eWolf Racing

CEFET RJ

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. Final Check

Previous participation