FSAE RULES

IC.1 – General Engine Requirements

Only four-stroke piston engines allowed. Maximum displacement: 710 cc. One engine per car.

IC.2 – Air Intake System

Must include an intake restrictor: 20 mm (gasoline) or 19 mm (E85). Restrictor must be located downstream of throttle(s) and upstream of any compressor.

IC.3 – Throttle

Only mechanical cable-operated throttle permitted. Positive return springs required at throttle body. Idle speed control allowed if integrated with ECU.

IC.4 – Electronic Throttle Control

Not permitted under any circumstances.

IC.5 – Fuel and Fuel System

Permitted fuels: unleaded gasoline or E85 supplied by organizer. Fuel tanks must be rigid, sealed, and securely mounted. Tank ventilation requires rollover protection valves.

IC.6 – Fuel Injection

Fuel injectors must be closed by positive spring action. No staged fuel injection upstream of restrictor.

IC.7 – Exhaust and Noise Control

Exhaust must exit behind the driver. Noise limit: 110 dBA at 10,000 RPM (or max engine speed). Mufflers required.

IC.8 – Electrical

All electrical systems must be fused. ECU must be powered via master switch. Sensors must not override safety systems.

IC.9 – Shutdown System

Engine must shut down with emergency stop buttons, kill switches, and when driver leaves seatbelt harness.

V.1 – Vehicle Configuration

Four-wheeled vehicles only. Must be open-wheel and open-cockpit design.

V.2 – Vehicle Dimensions

Max overall width: 1600 mm. Wheelbase: ≥ 1525 mm. Min track width: 75% of wheelbase.

V.3 – Ground Clearance

Minimum 25 mm ground clearance at static condition.

V.4 – Tires

Only dry-weather racing slicks or treaded tires permitted. Tire warmers prohibited.

V.5 – Vehicle Weight

Minimum vehicle weight (with driver): 200 kg (IC).

IN.1 – Technical Inspection

Cars must pass all inspections before competing: safety, tech, tilt, noise, brake, rain test (EV only).

IN.2 – Tilt Test

Vehicle tilted to 60° to check fluid leaks and rollover protection.

IN.3 – Noise Test

Performed at 10,000 RPM (or 75% of redline). Must be ≤ 110 dBA.

IN.4 – Brake Test

All four wheels must lock simultaneously during straight-line stop.

IN.5 – Rain Test (EV only)

Checks electrical system insulation and safety under simulated rain conditions.

T.1 – Structural Requirements

Spaceframe or monocoque chassis permitted. All materials must meet strength requirements.

T.2 – Impact Attenuator

Required at front of vehicle. Must pass standard energy absorption test.

T.3 – Roll Hoop Requirements

Main and front roll hoops required. Must extend above driver’s helmet. Bracing angles ≥ 30°.

T.4 – Side Impact

Anti-intrusion panels required for monocoques. Side protection must meet minimum thickness.

T.5 – Cockpit and Controls

Minimum cockpit opening 350 mm × 700 mm. Steering system must be mechanically operated (no fly-by-wire).

F.1.1 – Purpose

Judges evaluate engineering design of car and justify choices.

F.1.2 – Requirements

Teams must provide Design Report, Design Spec Sheet, and Cost Report.

F.1.3 – Judging Criteria

Innovation, analysis, testing validation, manufacturability, and safety considered.

F.5.1 – Endurance Event

22 km driving event. Tests reliability, fuel efficiency, and driver consistency.

F.5.2 – Scoring

Based on time, penalties, and fuel/energy consumption.

F.5.3 – Efficiency

Ratio of energy used to distance covered. High efficiency adds bonus to score.

D.1 – Driver Suit

Must be FIA-certified fire-resistant suit. Covers full body including ankles and wrists.

D.2 – Helmet

Snell SA2020, FIA 8859-2015, or equivalent. Full-face required.

D.3 – Gloves, Shoes, Underwear

All must be fire-resistant (FIA/SFI certified). Balaclava required unless helmet has fireproof lining.

D.4 – Arm Restraints

Mandatory in open cockpit to prevent arms exiting vehicle.

EV.1.1 – Powertrain

Only electric motors allowed. Max voltage: 600 V.

EV.1.2 – Battery Pack

Must be in sealed accumulator container. Service disconnects required.

EV.1.3 – Shutdown System

High-voltage shutdown via master switch, TSMS, and brake-over-travel switch.

EV.4.1 – General

Battery must be contained in robust enclosure. Ventilation required.

EV.4.2 – Cells

Only commercially manufactured cells allowed. No custom-built cells.

EV.4.3 – Monitoring

Battery Management System (BMS) must monitor voltage, current, temperature. Automatic shutdown if limits exceeded.

EV.5.1 – Insulation Monitoring

IMD required to monitor isolation resistance > 500 Ω/V.

EV.5.2 – Grounding

Tractive system must be fully isolated from chassis.

EV.5.3 – Wiring

All high-voltage wiring must be orange. Shielding required in cockpit areas.