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325
IN0009001 DJS Miles
Dwarkadas Jivanlal Sanghvi College of Engineering
Prototype
P
Battery Electric
Battery Electric
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.
4/11
In progress
In progress
Passed
1. Inspection Queue Entry
3 / 3
Bound/Printed documentation
(58 c)
Charging Protection (fire blanket, Lipo bag)
(24 h)
Charger
(57 d iii)
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 both sides
(4 a-g)
Other stickers < 400 cm²
(4 a-g)
Passed
3. Vehicle Weight
2 / 2
Vehicle weight
Vehicle weight <140 kg
(39 g)
Must pass again
4. Brakes
8 / 9
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 rotors point in direction of wheel rotation
(43 a)
No acting on tyres
(43 a)
All wheels have brakes
(43 a)
Ergonomy (both hands on steering mech.)
(43 a)
Effectiveness Ramp Test
(43 b)
Passed
5. 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)
Must pass again
6. Seat Belts, Roll bar & Exit
5 / 15
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)
Driver exit < 10 seconds - Primary Driver
(30 a-d)
Driver exit < 10 seconds - Reserve Driver
(30 a-d)
Must pass again
7. Visibility
5 / 8
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)
Driver not in head-first position
(33)
Must pass again
8. 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 adhesive tape to seal driver compartment
(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)
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 cables..)
(41 e)
Steering efficiency no play
(42 d)
If indirect electric steering, must have manual override
(42 c)
If electronic steering no joystick
(42 c)
Must pass again
9. Electrical Vehicle Design
19 / 20
Correct vehicle electrical schematic
(58 c)
Charger built for battery
(57 d iii)
Charging Protection (fire blanket, Lipo bag)
(24 h)
Capacity < 1000 Wh
(57 d iv)
Max 48 V nominal (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)
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))
Must pass again
10. Energy Verification
7 / 12
Doc'n (schematic)
(58 c)
Doc'n (Batt/BMS)
(58 c)
Doc'n (motor controller)
(58 c)
Doc'n (motor size)
(58 c)
Self-built batt - cell level current protection
(57 d ii)
In-vehicle Battery Management System
(57 d i)
Purpose built motor controller
(67 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)
Batt + and - isolated from frame and body
(57 f)
Not yet started
11. Final Check
0 / 4
Technical Sticker received
Safety Sticker received
Pit Crew vests received
Transponder received
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