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Questions and Answers
What is the minimum radius required for forward-facing edges of bodywork and aerodynamic devices?
What is the minimum radius required for forward-facing edges of bodywork and aerodynamic devices?
What is the minimum edge radius for edges that will not come into contact with a standing pedestrian?
What is the minimum edge radius for edges that will not come into contact with a standing pedestrian?
Which edge configuration does not meet the safety requirement for pedestrian contact?
Which edge configuration does not meet the safety requirement for pedestrian contact?
In terms of aerodynamics, what is a prohibited design feature for steering systems?
In terms of aerodynamics, what is a prohibited design feature for steering systems?
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Which statement about suspension requirements is accurate?
Which statement about suspension requirements is accurate?
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What is the minimum tread depth required for wet tires used in vehicles?
What is the minimum tread depth required for wet tires used in vehicles?
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Which type of retaining nut does not meet wheel mounting system requirements?
Which type of retaining nut does not meet wheel mounting system requirements?
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What is prohibited regarding materials used for wheel lug bolts?
What is prohibited regarding materials used for wheel lug bolts?
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What is required for a vehicle to meet the open-wheel design specification?
What is required for a vehicle to meet the open-wheel design specification?
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What characterizes a vehicle in autonomous mode?</
What characterizes a vehicle in autonomous mode?</
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Which component is forbidden from being part of a direct connection between two devices or circuits?
Which component is forbidden from being part of a direct connection between two devices or circuits?
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What is the minimum material thickness requirement for fire retardant materials as per the standards?
What is the minimum material thickness requirement for fire retardant materials as per the standards?
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What must the vehicle's body configuration not include in relation to its open-wheel design?
What must the vehicle's body configuration not include in relation to its open-wheel design?
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What is the purpose of a coolant in a vehicle?
What is the purpose of a coolant in a vehicle?
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Which of the following statements about vehicle configuration is correct?
Which of the following statements about vehicle configuration is correct?
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In terms of structural integrity, what do the primary structure members represent?
In terms of structural integrity, what do the primary structure members represent?
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What is the minimum static ground clearance requirement for any portion of the vehicle, excluding the tires?
What is the minimum static ground clearance requirement for any portion of the vehicle, excluding the tires?
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Which of the following is NOT permitted regarding aerodynamic devices?
Which of the following is NOT permitted regarding aerodynamic devices?
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How many venting holes are required in enclosed chassis structures to prevent liquid accumulation?
How many venting holes are required in enclosed chassis structures to prevent liquid accumulation?
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What is the required radius along the affected edges of the bodywork in front of the front wheels?
What is the required radius along the affected edges of the bodywork in front of the front wheels?
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Which area of the vehicle must remain unobstructed according to the design requirements?
Which area of the vehicle must remain unobstructed according to the design requirements?
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For bodywork design, what curvature is prohibited in front of the cockpit opening?
For bodywork design, what curvature is prohibited in front of the cockpit opening?
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What must be done with gaps between bodywork and other parts of the vehicle?
What must be done with gaps between bodywork and other parts of the vehicle?
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When measuring ground clearance for vehicles with an active suspension system, how is it determined?
When measuring ground clearance for vehicles with an active suspension system, how is it determined?
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Study Notes
Vehicle Configuration
- The vehicle must be designed and built using good engineering practices.
- The vehicle must be open-wheeled, single-seat, and open-cockpit (formula style body).
- The vehicle must have 4 wheels that are not in a straight line.
- Open wheel vehicles must adhere to specific keep-out-zone regulations (Figure 4).
- The wheel/tire assembly must be unobstructed when viewed from the side.
- No part of the vehicle can extend into the keep-out-zone, which is defined by two vertical lines extending 75 mm in front of and behind the tire's outer diameter.
- This zone extends laterally from the outside plane of the wheel/tire to the inboard plane of the wheel/tire assembly.
Ground Clearance
- The minimum static ground clearance for any part of the vehicle, other than tires, including a driver, must be 30 mm.
- This static ground clearance is measured in the lowest adjustable position if an active suspension system is installed.
- Sliding skirts or aerodynamic devices that contact the track surface are prohibited, regardless of design, fabrication, or movement.
Bodywork
- There must be no openings in the bodywork leading to the cockpit, except for the cockpit opening itself.
- Minimal openings around the front suspension and steering system components are allowed.
- All parts of the bodywork, in any side view in front of the cockpit opening and outside of the area defined in T 8.2, must have no external concave radii of curvatures.
- All gaps between bodywork and other parts must be minimized.
- Enclosed chassis structures and structures between the chassis and ground must have two venting holes, at least 25 mm in diameter, located in the lowest part of the structure to prevent liquid accumulation.
- Additional holes are required when multiple local lowest points are present in the structure.
- The bodywork in front of the front wheels, with a tangent of surface above 45 degrees relative to the forward direction, must have a minimum radius of 38 mm along the top, sides, and bottom of all affected edges.
Minimum Edge Radii of Bodywork and Aerodynamic Devices
- The minimum radius of the bodywork and aerodynamic devices is 3 mm for all forward-facing edges and 1 mm for all other edges that could come into contact with any standing pedestrian without reaching the vehicle.
Suspension
- The vehicle must have fully operational front and rear suspension systems, including shock absorbers.
- These systems must allow for at least 50 mm of wheel travel and a minimum jounce of 25 mm with the driver seated.
- All suspension mounting points must be visible during technical inspection, either directly or by removing covers.
Wheels
- Any wheel mounting system that utilizes a single retaining nut must include a device to prevent the nut and wheel from loosening.
- A second nut (jam nut) does not satisfy this requirement.
- Wheel lug bolts, drive pegs, and studs must be made of steel or titanium and must not be hollow.
- The team must demonstrate good engineering practices and adequate strength through calculations.
- Aluminium wheel nuts may be used, but must be hard anodized and in pristine condition.
Tires
- The vehicle must have two types of tires: dry tires and wet tires.
- Dry tires are the tires on the vehicle when it is presented for technical inspection.
- Wet tires can be any size or type of treaded or grooved tire, provided they meet specific requirements.
- The tread pattern or grooves must be molded in by the tire manufacturer or cut by the manufacturer or their appointed agent.
- There must be documentary proof for any cut grooves, confirming that they were done in accordance with the rules.
- There is a minimum tread depth of 2.4 mm required.
- Tires on the same axle must be from the same manufacturer, size, and compound.
- Tire warmers are not permitted.
- Special agents for traction enhancement cannot be added to the tires or track surface.
Steering
- Steering systems that use cables or belts for actuation are prohibited.
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Description
This quiz covers essential guidelines for designing open-wheeled vehicles, focusing on configuration, ground clearance, and related engineering practices. You'll be tested on your understanding of specific regulations such as keep-out-zone requirements and minimum clearance standards.
