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326
FR0025002 PV3e Electrical
École Supérieure des Techniques Aéronautiques et de Construction Automobile Paris-Saclay
Prototype
P
Battery-Electric
BE
Technical Inspections
Before they get on track, Prototype 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 Entry
9 / 9
Bound/Printed documentation
(67 c)
Charging Protection (fire blanket, Lipo bag)
(24 l)
Charger
(57 d iii)
SHELL logo front / both sides
(4 a-c)
Race number front / both sides
(4 a-c)
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. Vehicle Weight
2 / 2
Vehicle weight
Vehicle weight < 140 kg
(39 g)
Passed (one driver)
3. Driver & Safety Gear
12 / 21
Appropriate motorsports helmet - Primary Driver
(21 a-f)
Three-quarter helmet - Primary Driver
(21 b)
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)
Racing suit (s) / Gloves - Primary Driver
(21 d)
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 - Reserve Driver
(21 a-f)
Three-quarter helmet - Reserve Driver
(21 b)
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)
Racing suit (s) / Gloves - Reserve Driver
(21 d)
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)
Passed
4. Brakes
11 / 11
Brake documentation
(67 c ii)
2 Hydraulic brake system 1 front & 1 rear
(43 a)
1 single Hydraulic circuit per axle
(43 a)
Foot operated front brake by single pedal
(43 a)
Rear brake by single lever or pedal
(43 a)
Brake pedal 1,000 mm², min width 30 mm
(43 a v)
Brake rotors point in direction of wheel rotation
(43 a)
No acting on tyres
(43 a)
All wheels have brakes
(43 a)
Ergonomy
(43 a)
Effectiveness Ramp Test - Dynamic
(43 b)
Passed (one driver)
5. Driver Safety
18 / 23
Safety belt must be designed for motorsports use
(29 g)
Mounting points are clearly accessible for inspection
(29 e)
Safety Belts = 5 mounting points
(29 a-b)
Safety Belts - chassis fixing
(29 d)
Must have 5 independent belts attached to structure
(29 a)
Crotch strap under body
(29 b)
Top strap at 10° angle
(29 b)
Safety belt must be in straight line between mounting point and shoulder
(29 f)
Length adjustor high enough for adjustement
(29 b)
Safety belt has a tight fit (no slack)
(29 c)
No modifications of safety belt
(29 h)
Safety belt strength verified
(29 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)
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)
Driver exit < 10 seconds - Primary Driver
(30 a-d)
Driver exit < 10 seconds - Reserve Driver
(30 a-d)
Passed
6. Vehicle Dimensions
6 / 6
Height < 1000 mm
(39 a)
Width < 1300 mm
(39 e)
Length < 3500 mm
(39 f)
Track width > 500 mm
(39 b)
Wheelbase > 1000 mm
(39 d)
Maxi height 1.25 X track width
(39 c)
Passed
7. Mechanical Vehicle Design
27 / 27
Fully closed body
(25 j, g)
Quality of body driver collision protection
(26 a-d)
Crumple space-protect from front/side impact
(25 a ii)
Front Crumple Zone = 100 mm
(25 a ii)
Solid floor & frame
(25 i)
No external appendages or sharp edges
(25 c)
Windows material (polycarbonate/lexan)
(25 e)
Body panels do not change shape in wind
(25 b, d)
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)
Bulkhead rigid & fire resistant
(27 b-d)
Bulkhead isolates energy/driver compartment
(27 a)
Chain/belt guard (all rotating equipment)
(34 g)
Running wheels (Pr:3/4, UC:4)
(25 a) i , iii)
Rims compatible with the dimensions of the tyre
(41 a-b)
Wheels isolated from driver, chassis, or body
(41 c)
Nothing touching wheels (e.g. batt, wires, etc...)
(41 e)
Steering is efficient and has no play
(32 b-c)
If electric steering, demonstrate default safe state
(32 d)
Intuitive steering control
(32b)
Wheel compliance
(48 c)
Tyres do not exceed manufacturer's recommended age
(49 d)
Tyre valves are accessible
(49 f)
Electrical automotive horn
(31 a)
Horn sound level > 85 dBa @ 4 m
(31 b-c)
Driver not in head-first position
(33)
Passed
8. Electrical Vehicle Design
21 / 21
Correct vehicle electrical schematic
(67 c)
Charger built for battery
(57 d iii)
Charging Protection (fire blanket, Lipo bag)
(24 h)
Capacity < 1000 Wh
(57 d iv)
Max 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)
Wiring organized and safe
(27a, 57 k)
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)
Passed
9. Energy Verification
13 / 13
Documentation - Schematic
(67 c)
Documentation - Battery/BMS
(67 c)
Documentation - Motor controller
(67 c)
Documentation - Motor size
(67 c)
Self-built battery - cell level current protection
(57 d ii)
In-vehicle Battery Management System
(57 d i)
Purpose built motor controller
(66 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)
JM Counting Correctly
(56 c)
Battery + and - isolated from frame and body
(57 f)
Passed
10. Final Check
4 / 4
Technical Sticker received
Safety Sticker received
Pit Crew vests received
Transponder received
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