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The numerous Formula One regulations, made and enforced by the FIA, have changed dramatically since the first Formula One World Championship in 1950. This article covers the current state of F1 technical and sporting regulations, as well as the history of the technical regulations since 1950.

1 Current Rules and Regulations

Accurate as of July 2004

1.1 Technical

1.1.1 Chassis

An F1 car can be no more than 180 cm wide. Though there is no maximum length or height, other rules set indirect limits on these dimensions, and nearly every aspect of the car carries size regulations; consequently the various cars tend to be very close to the same size.

The main chassis contains a "safety cell" which includes the cockpit, a structure designed to reduce impact directly in front of the cockpit, and the fuel tank directly behind the cockpit. Additionally, the car must contain roll structures behind and ahead of the driver. The driver must be able to enter and exit the cockpit without any adjustments other than removing the steering wheel.

Onboard electrical and computer systems, once inspected at the start of the season, may not be changed without prior approval. Electronic starters and launch control are forbidden. The computers, which must contain a telemetric accident data reporting system, run a modified version of BSD.

1.1.2 Engine

1.1.3 Aerodynamics

...etc.

1.2 Sporting

1.2.1 Parc Ferme

After qualifying on Saturday of a race weekend, teams are required to take their cars to a place in the paddock, sectioned off by the FIA, known as parc ferme ; they may not do work on the cars, other than routine maintenance, until they are released from parc ferme for the race the next morning.

If a team must change a car's engine during parc ferme, the car must start at the back of the grid; if they must do other significant work, the car will start from the pit lane.

1.2.2 Race procedure

See Formula One racing for a detailed schedule of a complete race weekend and further race information.

The pit lane opens thirty minutes before the start of a race, during which time drivers may drive around the track as much as they like, driving through the pitlane each time around in order to avoid the grid. Drivers must be in their cars and in place on the grid by time the pit lane closes at -15:00; otherwise they must start the race from the pits. Meanwhile, teams may work on their cars on the grid.

At -10:00 the grid is cleared of everyone except team mechanics, race marshals, and drivers. A team will generally want to keep its tires off of the car and heated as long as possible, but they must be attached to the cars by -5:00. Refuelling must also be finished by that time.


Engines must be running by -1:00; at fifteen seconds to the start all personnel must be clear of the track. A green light signifies the start of the formation lap, also known as the parade lap, during which drivers must remain in the same order (no passing) except if a car ahead has stopped due to a technical problem. The cars circle the track once, usually weaving from side to side to warm up their tires, and form up again in their starting positions on the grid.

The race is started by ten red lights (see picture), controlled by Charlie Whiting, which light up two at a time, left to right, in one-second intervals and then all go out at once. When the lights go out, the race begins.



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