This is the encyclopedia of Formula 1. It's the complete reference for anyone who wants to know everything about F1.
A
Aérodynamique
The study of how air flows around the car. Key components include Aileron avant, Aileron arrière, floor, and Diffuseur.
Active Aérodynamique
Adjustable Aérodynamique devices that can be changed during the course. Examples include DRS and adjustable Aileron avant.
Apex
The innermost point of a corner. Drivers aim to hit the Apex for the fastest line through the corner.
Apex Speed
The speed at which a pilote takes the Apex of a corner. Higher Apex speeds generally lead to faster lap times.
Autoclave
A large oven used to cure carbon fiber components. Temperatures can reach 150°C.
B
Backmarker
A slower car that is being lapped by the leaders. Backmarkers must move out of the way.
Balance
The distribution of forces on the car. A well-balanced car is easier to drive and faster.
Bargeboard
A vertical Aérodynamique device located between the Aileron avant and sidepods. Bargeboards were banned in 2022.
Blistering
A condition where the tire surface overheats and forms bubbles. Blistering reduces grip and tire life.
Bottoming
When the floor of the car touches the track surface. Bottoming can damage the car and reduce performance.
C
Chassis
The main structure of the car, also known as the survival cell. The chassis protects the pilote.
Chicane
A tight sequence of corners in alternate directions. Chicanes are used to slow cars down.
Clean Air
Air that has not been disturbed by another car. Cars perform better in clean air.
Cockpit
The area where the pilote sits. The cockpit is designed for safety and comfort.
Compound
The mixture of rubber used to make tires. Different compounds offer different levels of grip and durability.
D
DRS (Drag Reduction System)
A device that reduces Aérodynamique Traînée by opening a flap in the Aileron arrière. DRS can be used in designated zones.
Appui aérodynamique
The Aérodynamique force that pushes the car onto the track. More Appui aérodynamique means more grip.
Traînée
The Aérodynamique resistance that slows the car down. Less Traînée means higher top speed.
Drive-Through Penalty
A penalty where the pilote must drive through the pit lane at reduced speed.
Drop-Off
The loss of tire performance over time. Drop-off occurs when tires degrade.
E
ECU (Electronic Control Unit)
The computer that controls the engine and other systems. The ECU is standardized across all teams.
Energy Recovery System (ERS)
A system that recovers energy under braking and from exhaust heat. ERS provides additional power.
Endplate
The vertical surface at the end of a wing. Endplates help manage airflow around the wing.
Ergast
A historical F1 database that provides statistics and results.
Formation Lap
The lap before the start of the course. Cars drive around the track to warm up their tires.
F
Flat Spot
A worn area on the tire caused by locking the brakes. Flat spots cause vibrations and reduce performance.
Formation
The arrangement of cars on the starting Grille de départ. Formation is determined by qualifying results.
Free Practice
Practice sessions held before qualifying. Free practice allows teams to set up the car.
Fuel Load
The amount of fuel in the car. Fuel load affects performance and strategy.
G
Gap
The time difference between two cars. Gaps are measured in seconds.
Gearbox
The transmission that transfers power from the engine to the wheels. Gearboxes have 8 forward gears.
Graining
A condition where the tire surface becomes too cold and forms a grainy layer. Graining reduces grip.
Green Flag
The flag that indicates the track is clear and racing can resume.
Grille de départ
The starting positions for the course. Grille de départ positions are determined by qualifying results.
H
Halo
A titanium device that protects the pilote's head. The halo was introduced in 2018.
HANS Device
Head and Neck Support device. The HANS device prevents head and neck injuries in crashes.
Hot Lap
A lap driven at maximum effort. Hot laps are typically driven in qualifying.
Hypersoft
The softest Mélange de pneu available. Hypersoft tires offer the most grip but wear out quickly.
I
Intermédiaire
A tire for damp conditions. Intermediates offer more grip than slicks in Pluie conditions.
Installation Lap
A slow lap driven to check the car's systems. Installation laps are typically driven at the start of practice.
In-Lap
The lap before a Arrêt aux stands. In-laps are driven at reduced speed to prepare for the Arrêt aux stands.
Infield
The area inside a circuit. Infields are often used for support races and hospitality.
J
Jump Start
When a pilote moves before the lights go out at the start. Jump starts result in a penalty.
Jackman
The mechanic who lifts the car with a jack during a Arrêt aux stands. The jackman is crucial for fast pit stops.
K
Kerb
The raised edge of the track. Kerbs mark the limits of the track.
KERS (Kinetic Energy Recovery System)
An older system that recovered energy under braking. KERS was replaced by ERS in 2014.
L
Lap
One complete circuit of the track. Lap times are measured in minutes and seconds.
Lap Record
The fastest lap ever recorded at a circuit. Lap records are typically set during the course.
Lapped Traffic
Cars that have been lapped by the leaders. Lapped traffic must move out of the way.
Launch Control
A system that helps the car accelerate from a standstill. Launch control is banned in F1.
Lights Out
The signal that starts the course. Lights out occurs when the five red lights go out.
M
Marshal
A volunteer who helps run the course. Marshals are stationed around the track.
Mechanical Grip
The grip provided by the tires and suspension. Mechanical grip is independent of Aérodynamique.
MGU-K
Motor Generator Unit - Kinetic. The MGU-K recovers energy under braking.
MGU-H
Motor Generator Unit - Heat. The MGU-H recovers energy from exhaust heat.
Monaco
The most prestigious course on the F1 calendar. Monaco is a street circuit in Monte Carlo.
N
Nose
The front part of the car. The nose houses the front crash structure.
Nose Cone
The removable front section of the car. Nose cones can be changed during pit stops.
O
Out-Lap
The lap after a Arrêt aux stands. Out-laps are driven at reduced speed to warm up the tires.
Oversteer
A condition where the rear of the car slides. Oversteer makes the car difficult to control.
Overtaking
Passing another car on the track. Overtaking is a key part of racing.
P
Parc Fermé
A secure area where cars are kept after qualifying and the course. Parc fermé rules limit changes to the car.
Pit Lane
The area where teams service the cars. Pit lanes have speed limits.
Pit Stop
A stop in the pit lane to change tires or make repairs. Pit stops typically last 2-3 seconds.
Pit Wall
The area where équipe strategists watch the course. The pit wall has monitors and communication equipment.
Pole Position
The first position on the starting Grille de départ. Pole Position is awarded to the fastest qualifier.
Porpoising
A bouncing motion caused by Aérodynamique instability. Porpoising was a major issue in 2022.
Practice
Sessions held before qualifying. Practice allows teams to set up the car.
Push Rod
A suspension component that pushes the spring. Push rod suspension is common in F1.
Q
Qualifying
A session that determines the starting Grille de départ. Qualifying consists of three sessions (Q1, Q2, Q3).
Qualifying Lap
A lap driven at maximum effort in qualifying. Qualifying laps determine Grille de départ positions.
R
course
The main event of a Grand Prix weekend. Races are typically 305 km long.
Race Director
The official who manages the course. The course director makes decisions about safety and regulations.
Race Engineer
The engineer who communicates with the pilote. The course engineer provides information and strategy.
Red Flag
A flag that stops the course. Red flags are used for serious incidents or dangerous conditions.
Retire
When a car is unable to continue the course. Retirements can be due to mechanical failure or damage.
Ride Height
The distance between the floor of the car and the track. Ride height affects Aérodynamique and performance.
Roll Bar
A bar that helps prevent the car from rolling. Roll bars are part of the safety structure.
S
Safety Car
A car that leads the field during yellow flag conditions. The Voiture de sécurité bunches up the field.
Scrutineering
The inspection of cars to ensure they comply with regulations. Scrutineering is done before and after the course.
Sector
One of three sections of a lap. Sector times are used to analyze performance.
Setup
The configuration of the car's mechanical and Aérodynamique components. Setup is adjusted for each circuit.
Sidepod
The bodywork on the sides of the car. Sidepods house the radiators.
Slick
A tire with no tread. Slicks offer maximum grip in dry conditions.
Slipstream
The area of reduced air resistance behind another car. Slipstreaming helps cars go faster.
Stewards
The officials who enforce the rules. Stewards can issue penalties for rule violations.
Strategy
The plan for the course. Strategy includes pit stops, tire choices, and fuel management.
Street Circuit
A circuit that uses public roads. Street circuits are typically narrow and bumpy.
Suspension
The system that connects the wheels to the car. Suspension affects handling and ride quality.
T
Telemetry
The system that transmits data from the car to the équipe. Telemetry provides real-time information.
Tire Blanket
A heater that warms the tires before they are fitted to the car. Tire blankets are banned in 2024.
Top Speed
The maximum speed of the car. Top speeds can exceed 370 km/h.
Traction
The grip that allows the car to accelerate. Traction is affected by tires and Aérodynamique.
Traction Control
A system that prevents wheel spin. Traction control is banned in F1.
Tread
The pattern on the tire surface. Tread helps channel water away in Pluie conditions.
Turbocompresseur
A device that compresses the intake air. Turbochargers increase engine power.
U
Understeer
A condition where the front of the car slides. Understeer makes the car turn less than intended.
Undertray
The floor of the car. The undertray is crucial for Aérodynamique performance.
V
V6
A six-cylinder engine in a V configuration. F1 uses 1.6-liter V6 turbocharged engines.
Virtual Safety Car (VSC)
A period where drivers must maintain a target speed. VSC is used for minor incidents.
Vortex
A spinning mass of air. Vortices are used to manage airflow around the car.
W
Warm-Up Lap
The lap before the start of the course. Warm-up laps help heat the tires and brakes.
Pluie
A tire for Pluie conditions. Pluie tires have tread to channel water away.
Wheel Tether
A cable that attaches the wheel to the car. Wheel tethers prevent wheels from flying off in crashes.
Wind Tunnel
A facility that tests Aérodynamique performance. Wind tunnels use scale models of cars.
Wing
An Aérodynamique device that generates Appui aérodynamique. Wings are located at the front and rear of the car.
X
X-Ray
A medical imaging technique. X-rays are used to check for injuries after crashes.
Y
Yellow Flag
A flag that indicates a hazard on the track. Yellow flags require drivers to slow down.
Youngest Champion
The youngest pilote to win the World championnat. Max Verstappen holds this record.
Z
Zero Carbon
The goal of achieving net-zero carbon emissions. F1 aims to achieve zero carbon by 2030.
Zero Fuel
When the car runs out of fuel. Zero fuel results in retirement from the course.
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