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Questions and Answers
What condition must be fulfilled regarding the welds of the roll cage?
What condition must be fulfilled regarding the welds of the roll cage?
What is the maximum length for straight roll cage members between Named Points?
What is the maximum length for straight roll cage members between Named Points?
What is the required format for the roll cage signature?
What is the required format for the roll cage signature?
What criteria apply to bent members of the roll cage?
What criteria apply to bent members of the roll cage?
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Which of the following materials is specified for the roll cage members?
Which of the following materials is specified for the roll cage members?
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What is the primary objective of the roll cage in the competition vehicles?
What is the primary objective of the roll cage in the competition vehicles?
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Which statement is NOT true regarding the placement of the exhaust system?
Which statement is NOT true regarding the placement of the exhaust system?
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How should the complete exhaust system be positioned in relation to the vehicle perimeter?
How should the complete exhaust system be positioned in relation to the vehicle perimeter?
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What is recommended for the muffler to minimize burn risks?
What is recommended for the muffler to minimize burn risks?
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What is the maximum allowed adjustment for exhaust pipe length?
What is the maximum allowed adjustment for exhaust pipe length?
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Study Notes
Roll Cage Design and Regulations
- Roll cages must be designed to maintain integrity during normal operation, collisions, or rollovers.
- Each team must build a new roll cage annually; reusing previous roll cages is prohibited for the main event.
- Roll cage signature format: TEAM ID / SEASON YEAR / CAR NUMBER (three digits).
- Example signature: 25161 / 2025 / 087 for team XYZ.
- Signature must be stamped using a 6 mm number punch.
Roll Cage Structure
- Roll cages require a tubular steel space frame; all members must be fully welded without modifications.
- Bent members should not show kinks or detrimental deformation; bends limited to 30 degrees.
- Straight members must not exceed 1016 mm between Named Points; bent members, 838 mm.
Member Requirements
- Roll cage members constructed from steel tubes can be straight or bent.
- Terms defined in regulations: Frame consists of all tubular structures; Roll Cage includes primary and secondary members for driver protection; Members refer to elements connecting Named Points.
Exhaust System Regulations
- Exhaust pipe length is flexible but non-adjustable; it must have one inlet and one outlet.
- A loose or leaking exhaust system results in removal from competition until resolved.
- The complete exhaust system must lie within 100 mm of the vehicle's perimeter, ensuring safety and compliance.
- Engines must not direct exhaust toward the firewall; at least 100 mm clearance is required from the rerouted exhaust.
Muffler and Starting Devices
- Protective wire cages around mufflers are encouraged to minimize burn risk.
- Starter pull ropes may be extended for seated engine starting; starter motors are not allowed.
Alternator Specifications
- Approved alternators to generate power might be fitted; must comply with specifications from Briggs and Stratton.
- Available alternator sizes are 3, 10, and 20 Amperes.
Objective of Roll Cage
- Roll cages maintain space around the driver to protect against debris; stock fuel tank configurations are acceptable unless remote-mounted, which requires a debris shield.
- Control cover part number 697326 can be used, or teams may fabricate their own as long as functionality is equivalent.
Engine and Air Intake Modifications
- Idle speed adjustment is flexible, recommended at 1,750 RPM ± 100 RPM.
- Air cleaner parts can be relocated but must use specific Briggs and Stratton components; intake hoses have minimum length requirements.
- Changes to air filters must pass inspection and may affect engine performance negatively.
Carburetor Restrictions
- Modifications to carburetor jetting, float adjustments, or venturi configuration are strictly prohibited.
- Exhaust system changes must use specified tubing sizes and must securely mount the original muffler, avoiding vibration issues.
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Description
This quiz covers the essential requirements for designing and fabricating a roll cage for competitive events. Teams must ensure that their roll cages maintain integrity during operations and adhere to the unique signature format. Learn the specifications and regulations necessary for safety compliance.
