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616
NL0011001 HAN Hydromotive
Hogeschool Van Arnhem En Nijmegen
Technical Inspections
Before they get on track, Urban Concept vehicles need to pass a series of 10 technical inspections. For some, the only goal is getting through this test. Many never even make it that far.
10/10
Complete
Complete
Passed
1. Inspection Queue Entrance
4 / 4
SHELL logo front, Race number, Partner sticker / both sides
(4 a-c)
Lift here arrow stickers
(26 f)
Opening mechanism stickers
(30 c)
Other stickers < 400 cm²
(4 d)
Passed
2. Driver Checks
23 / 23
Appropriate motorsports helmet - Primary Driver
(21 a-g)
Helmet label readable - Primary Driver
(21 c)
Helmet has no cracks/indentations - Primary Driver
(21 c)
Visor is clear and has no cracks - Primary Driver
(21 d)
Single piece fire retardant racing suit (s) - Primary Driver
(22 a)
Fire retardant gloves - Primary Driver
(22 c)
Flat, closed toe shoes - Primary Driver
(22 b)
Cotton socks, no bare skin visible - Primary Driver
(22 b, e)
FCR balaclava if used - Primary Driver
(22 d)
Driver weight (> 70kg) - Primary Driver
(20 a)
Appropriate motorsports helmet - Reserve Driver
(21 a-g)
Helmet label readable - Reserve Driver
(21 c)
Helmet has no cracks/indentations - Reserve Driver
(21 c)
Visor is clear and has no cracks - Reserve Driver
(21 d)
Single piece fire retardant racing suit (s) - Reserve Driver
(22 a)
Fire retardant gloves - Reserve Driver
(22 c)
Flat, closed toe shoes - Reserve Driver
(22 b)
Cotton socks, no bare skin visible - Reserve Driver
(22 b, e)
FCR balaclava if used - Reserve Driver
(22 d)
Driver weight (> 70kg) - Reserve Driver
(20 a)
Ballast required?
(20 b)
Ballast based on lightest driver
(20 b)
Ballast of suitable type, proper location, sealed
(20 b)
Passed
3. Brakes
10 / 10
Brake documentation
(67 c ii)
Brake rotors point in direction of wheel rotation
(43 a)
Ergonomy (both hands on steering mech.)
(32 c)
Effectiveness Ramp Test - Dynamic
(51 e)
4 disc hydraulic brake
(51 a)
X design or front / rear. One dual master cylinder or 2 master cyls
(51 b)
Single brake pedal with at least 2,500 mm²
(51 a)
Parking brake must keep vehicle stationary
(51 d)
Disc thickness > 3 mm
(51 a)
Commercial brake system, not bicycle
(51 a)
Passed
4. Driver Safety
26 / 26
The safety harness is designed for motorsport activities.
(29 g)
Mounting points are clearly accessible for inspection
(29 e)
Safety Belts = 5 mounting points
(29 a)
Must have minimum 5 independent belts attached to structure - chassis fixing
(29 a)
Crotch strap under body
(29 b)
Safety belt must be in straight line between mounting point and shoulder
(29 f)
Safety belt has a tight fit (no slack), length adjustor high enough for adjustment
(29 c)
No modifications of safety belt
(29 h)
Safety belt strength verified
(29 d)
Quality of body driver collision protection
(26 a)
Internal/ext'l opening mech effective/intuitive
(30 c)
Method of opening accurately marked with sticker
(30 c)
No adhesive tape to close driver compartment from outside
(30 d)
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)
Driver exit < 10 seconds - Reserve Driver
(30 a)
Front vis 180° & Tint - driver must be seen - Primary Driver
(28 a)
Rear visibility - see cheat sheet - Primary Driver
(28 b)
Front vis 180° & Tint - driver must be seen - Reserve Driver
(28 a)
Rear visibility - see cheat sheet - Reserve Driver
(28 b)
Quality of body driver collision protection
(26 a-d)
Crumple space-protect from front/side impact
(25 a) ii, 26 a)
Passed
5. Vehicle Dimensions
10 / 10
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 compartment > 880 mm
(45 f)
Width at drivers shoulder > 700 mm - Primary Driver
(45 f)
Width at drivers shoulder > 700 mm - Reserve Driver
(45 f)
Passed
6. Mechanical Vehicle Design
32 / 32
Vehicle weight < 225 kg
(45 k)
Windscreen & wiper
(52)
Window tint - driver must be seen
(28 a)
Electrical automotive horn, sound level > 85 dBa @ 4 m
(31 a-c)
Fully closed body
(25 h, k)
Solid floor & frame
(25 j)
No external appendages or sharp edges
(25 c)
Body panels do not change shape in wind
(25 b, d)
Wheel covers integral with body
(46 b)
Door solidly attached
(46 e)
Chain/belt guard (all rotating equipment)
(34 g)
Running wheels (UC:4)
(25 a) iii)
Rims 14 to 18 inch
(48 a)
Tyre width > 80mm
(49 c)
Wheel compliance
(41 a, 48 c)
Tyres are in good condition
(49 d)
Tyre valves are accessible
(49 f)
Min tread 1.0 mm
(49 b)
Luggage compartment (and luggage)
(46 h)
Towing hook or ring
(46 j)
Front turn indicators
(50 b)
2 front symmetrical headlights
(50 a, f)
Rear turn indicators
(50 c)
Bulkhead rigid & fire resistant
(27 b, d)
Bulkhead isolates energy/driver compartment
(27 a)
Red rear brake light
(50 d)
Red rear running lights
(50 e)
Wheels isolated from driver, chassis, or body
(41 c)
Hazard Lights
(50 h)
Steering is efficient and has no play
(32 b)
If electric steering, demonstrate default safe state
(32 d)
Intuitive steering control
(32 b)
Passed
7. Electrical Design
31 / 31
Correct vehicle electrical schematic
(67 c)
Charger built for battery
(57 d) iii)
Charging Protection (fire blanket, Lipo bag)
(24 j)
Capacity < 1000 Wh
(57 d) iv)
Max 60 V Peak
(57 a)
Only one Battery, 2 terminals, single physical package
(57 b) ii)
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)
Main fuse is sized correctly for the system
(57 e)
Super Cap voltage > system V
(57 a)
Fuse on +ve of Super Cap, <300mm
(57 e)
Super Cap External connectors
(63 c)
Super Cap Electrical Isolation from body/frame
(57 f)
Fuel Cell, size < surface area
(65 l ii, 57 e)
Fuse on +ve of Fuel Cell, <300mm
(65 l ii, 57 e)
Accessory circuit isolated from propulsion
(65 k, m)
Drivers Display
(57 i)
Elec system has proper fuse protection
(57 g)
Electrical enclosures - transparent
(57 j)
Electrical wiring connections visible/no splices
(57 k)
JM Installation in engine compartment
(56 b)
JM visible and accessible from outside
(56 b)
JM Correct circuit location
(56 c) i)
JM Counting Correctly
(56 c)
Super Cap JM Installation in engine compartment
(56 b, 63 d)
Super Cap JM Correct circuit location
(56 c) iii, 63 d)
Internal Estop Switch
(37 g) i)
External Estop mounting location
(37 g) ii)
Latching External Estop push button (no push/pull levers)
(37 h)
Blue triangle sticker
(37 g) iii)
Passed
8. Energy Verification
19 / 19
Documentation (schematic, H2 flow, fuel cell, regulator)
(65 a) i, 67 c)
No external starter battery
(65 k) i)
Hydrogen cylinder firmly installed
(65 b) iv)
Regulator installed correctly
(65 a) iv 1)
Pipe H2 suitable, S.Steel (1.0 bar), PTFE (<1.0 bar)
(65 e)
Connectors H2 OK (comp type, no Teflon)
(65 e) iv)
Normally closed solenoid valve
(37 f) i)
Pressure relief valve installed and set correctly
(65 a) iv 4)
Pressure relief valve vents outside vehicle
(65 a) iv 4)
Purge pipe vents outside or not used
(65 f)
Correct system design
(65 a) iv)
2 ventilation holes 5 cm²
(65 c)
Hydrogen sensor at highest point
(65 d)
Leak Check OK
(65 d)
Flowmeter installed and functioning
(65 a) v, g) iii)
JM Counting Correctly
(56 c)
Supercap Joulemeter reading voltage & Energy
(65 i) iii)
Emergency shutdown function (H2 Valve & Propulsion)
(37 f) ii)
Efficiency of Estop (3 methods, valve/MC)
(37 f) ii)
Passed
9. Telemetry
3 / 10
OBC-Pod mounted correctly
(69 a, c)
OBC Backbone mounted correctly
(69 a)
Battery mounted correctly
(69 a)
Sensors mounted correctly
(69 a)
Cables mounted correctly
(69 a)
No direct electrical connection of OBC to car body or chassis
OBC working properly
Joulemeter issued to team?
Gas Flowmeter issued to team?
Voltagemeter issued to team?
Passed
10. Final Checks
4 / 4
Technical Sticker received
Safety Sticker received
Pit Crew vests received
Transponder received
| Event | Vehicle category | Energy class | Rank | Result |
|---|---|---|---|---|
| Europe and Africa 2025 | Urban Concept | Hydrogen Fuel Cell | - | Passed technical inspection |
| Europe and Africa 2024 | Urban Concept | Hydrogen Fuel Cell | 2 | 276.96km/m3 172.09mi/m3 |
| Europe and Africa 2023 | Urban Concept | Hydrogen Fuel Cell | 2 | 218.34km/m3 135.67mi/m3 |
| Netherlands 2022 | Urban Concept | Hydrogen Fuel Cell | 3 | 274.63km/m3 170.65mi/m3 |
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