Shell Eco-marathon United States 2022 | Arkansas Tech University

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US0002002 Arkansas Tech University

Arkansas Tech University

Technical Inspections

Before they get on track, Prototype vehicles need to pass a series of 11 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.

11/11
Complete 11/11 inspections passed

Passed

1. Inspection Queue Entry

3 / 3

Passed

2. Driver's Control

23 / 23

Appropriate motorsports helmet (s) - Primary Driver

Helmet label readable - Primary Driver

Helmet has no cracks/indentations - Primary Driver

Visor is clear and has no cracks - Primary Driver

Racing suit (s) / Gloves - Primary Driver

Single piece fire retardant racing suit - Primary Driver

Shoes; socks & balacava/FRC - Primary Driver

Driver weight (> 50kg) - Primary Driver

Appropriate motorsports helmet (s) - Reserve Driver

Helmet label readable - Reserve Driver

Helmet has no cracks/indentations - Reserve Driver

Visor is clear and has no cracks - Reserve Driver

Racing suit (s) / Gloves - Reserve Driver

Single piece fire retardant racing suit - Reserve Driver

Shoes; socks & balacava/FRC - Reserve Driver

Driver weight (> 50kg) - Reserve Driver

Ballast required?

Ballast based on lightest driver

Ballast of suitable type, proper location, sealed

SHELL logo front / both sides

Race number front / both sides

Partner sticker oth sides

Other stickers < 400 cm²

Passed

3. Vehicle Weight

2 / 2

Passed

4. Vehicle Dimensions

6 / 6

Passed

5. Seat Belts & Roll bar

13 / 13

Safety Belts ≥ 5 mounting points

Safety Belts - chassis fixing

Crotch strap under body

Top strap at 10° angle

Length adjustor high enough for adjustement

Safety belt has a tight fit (no slack)

Safety belt strenght verified

Crumple space-protect from front/side impact

Roll bar resist 70 kg all directions

Roll bar 50 mm > driver's head - Primary Driver

Roll bar width > shoulders - Primary Driver

Roll bar 50 mm > driver's head - Reserve Driver

Roll bar width > shoulders - Reserve Driver

Passed

6. Brakes

9 / 9

Passed

7. Visibility

9 / 9

Passed

8. Exit

2 / 2

Passed

9. Mechanical Vehicle Design

32 / 32

Passed

10. Electrical Vehicle Design

14 / 14

Correct vehicle electrical schematic

Electrical wiring connections visible/no splices

Elec system has proper fuse protection

Electrical enclosures - transparent

Only one Battery, single physical package

Max 48 V nominal (60 V Peak)

Batt mount firm, behind b/head, not under seat

Main fuse < 300 mm from +ve terminal

Accessory battery

Acceptable electrically powered devices

Charger built for battery

Charging Protection (fire blanket, Lipo bag)

Solid metal containment tray OR Lipo bag

Capacity < 1000 Wh

Passed

11. Energy Verification

18 / 18

1 Shell fuel tank 30/100/250/350 cc

Safety valve location (between reg and tank)

Safety valve tested at 5 bars Max

Translucent and rigid hoses

Fuel tank vertical position

Fuel tank easy to refill (with burette)

Fuel volume calculation

Fuel system detachable for weighing

Electric Starter Only for ICE

Starter red light is visible

Starter red light works properly

Starter cannot propel vehicle

Emergency shutdown

Efficiency of emergency shutdown

Internal/External Estop Switch

Latching push button (no push/pull levers)

Dead man's switch

Blue triangle sticker

Previous participation
Event	Vehicle category	Energy class	Rank	Result
Americas 2024	Urban Concept	Hydrogen Fuel Cell	-	Did not pass technical inspection
Americas 2023	Prototype	Internal Combustion Engine (Gasoline)	6	329.33km/l 774.64mpg us

US0002002 Arkansas Tech University

Arkansas Tech University

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

Previous participation