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CH0002003 Fri-style Engineering
Haute école d'ingénierie et d'architecture de Fribourg
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.
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1. Inspection Queue Entry
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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)
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2. Driver Checks
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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)
Ballast required?
(20 b)
Ballast based on lightest driver
(20 b)
Ballast of suitable type, proper location, sealed
(20 b)
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3. Brakes
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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)
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4. Driver Safety
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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)
Driver exit < 10 seconds - Primary Driver
(30 a)
Front vis 180° & Tint - driver must be seen - Primary Driver
(28 a)
Rear visibility - see cheat sheet - Primary Driver
(28 b)
Quality of body driver collision protection
(26 a-d)
Crumple space-protect from front/side impact
(25 a) ii, 26 a)
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5. Vehicle Dimensions
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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)
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6. Mechanical Vehicle Design
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Vehicle weight < 225 kg
(45 k)
Vehicle weight
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)
Bulkhead rigid & fire resistant
(27 b, d)
Rear turn indicators
(50 c)
Red rear brake light
(50 d)
Bulkhead isolates energy/driver compartment
(27 a)
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)
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7. Electrical Design
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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)
Elec system has proper fuse protection
(57 g)
Drivers Display
(57 i)
Electrical enclosures - transparent
(57 j)
Electrical wiring connections visible/no splices
(57 k)
JM visible and accessible from outside
(56 b)
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)
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8. Energy Verification
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1 Shell fuel tank 30/100/250/350 cc
(61 a)
Safety valve location (between reg and tank)
(60 d) i)
No valve(s) after the flowmeter
Safety valve tested at 5 bars Max (ALL inspectors MUST wear goggles!!)
(60 c) iv)
Translucent and rigid hoses
(61 f)
Fuel line internal diameter
Fuel pressure gauge visibile and easy to read
(60 c) iii)
Fuel tank vertical position
(61 b)
Fuel tank easy to refill (with burette)
(61 b)
Electric starter only
(64 a)
Emergency shutdown function - correct design
(37)
LFM mounted in the vertical position
(62 i)
LFM securely mounted inside vehicle
(62 i)
LFM mounted below fuel injector and fuel tank
(62 i)
Check LFM is reading (computer)
Fuel lines are safely routed
Fuel line from tank routed to LFM fuel inlet
(62 c)
Fuel filter installed on LFM inlet
(62 i)
No loops are present in fuel lines
Air removal completed and validated
No leaks in fuel line
Exhaust system evacuates outside
(35 a, b)
Exhaust Solid/no fatigue/leak, OK for high temp
(35 c, d)
4 stroke engine
(59)
Interlock for manual clutch
(34 e)
Fuel injection only
(62 e)
Mechanical pump, or electrical meeting requirements
(60 c)
If engine temp regulated, must be pressurized, pure water only
(60 f)
Cooling system designed safely
(60 f)
No auxiliary energy sources
(60 e)
Pneumatic energy for fuel injection only
(60 a)
Air intake free of obstruction/ foreign objects
(62 f)
No blow-by gas recycling, is collected in container
(62 f)
Starter cannot propel vehicle
(64 b)
Engine idle without vehicle moving
(34 d)
Clutch effective
(34)
Efficiency of emergency shutdown
(37 a-c)
Efficency of Dead man's switch
(37 i)
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9. Telemetry
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Joulemeter issued to team?
Liquid Flowmeter issued to team?
Voltagemeter issued to team?
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10. Final Checks
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Technical Sticker received
Safety Sticker received
Pit Crew vests received
Transponder received
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