Shell Eco-marathon Brazil 2023 | PoliMilhagem

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BR0007001 PoliMilhagem

Poli-USP

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.

4/12
In progress 4/12 inspections passed

Passed

1. Inspection Queue Entry

3 / 3

Passed (one driver)

2. Driver's Control

15 / 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

7 / 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

7 / 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

16 / 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)

Must pass again

10. Electrical Vehicle Design

10 / 15

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)

Capacity < 1000 Wh (57 d iv)

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

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

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

Charger built for battery (57 d iii)

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

Electrical wiring connections visible/no splices (57 k)

Elec system has proper fuse protection (57 e)

JM Installation in engine compartment (56 c)

JM Correct circuit location (56 d)

JM Counting Correctly (56 d)

Must pass again

11. Energy Verification

7 / 15

Doc'n (schematic, Batt/BMS, m.controller) (58 c)

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)

JM Installation in engine compartment (56 c)

JM Read/reset from outside (56 c ii)

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

Purpose built motor controller (67 a)

Blue triangle sticker (37 f (iii))

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

Dead man's switch (37 h)

Internal/External Estop Switch (37 f)

Physical Estop (37 d)

Efficiency of emergency shutdown (37 a-c)

Not yet started

12. Final Check

0 / 4

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Brazil 2024	Prototype	Battery Electric	-	Did not pass technical inspection
Brazil 2022	Prototype	Battery Electric	-	Did not pass technical inspection

BR0007001 PoliMilhagem

Poli-USP

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