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F2 chassis
The F2 car is designed by Williams F1 featuring ground Favourite.jpgeffect aerodynamics and includes a sophisticated composite survival cell complying with the 2005 F1 safety regulations. The transmission is a six speed Hewland unit with pneumatically operated paddle shift.
All F2 cars will include standard components that will be identical within specified tolerances and all F2 cars will be of identical weight +/- 2kg and ballasted to a standard Driver weight of 80kg (including all race wear and Driver safety equipment). The positioning of any ballast will be determined exclusively by F2 with the objective of minimising any weight distribution change from the norm for drivers who require no ballast. In any event no F2 car shall have a weight distribution that differs by greater than +/- 0.5% from the average.
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F2 engine
The F2 car is powered by an Audi 1.8 litre turbo engine with 400bhp on standard boost and 450bhp on overboost. The engines on all cars will have identical power within 1.5% of the target. The overboost facility is actuated by a steering wheel button which increases maximum power by 50bhp for a duration as specified on the set-Up sheet, typically six seconds. engine copy.jpgOverboost may not be used except in the second practice session and in each of the races, when the number of shots will be specified on the set-up sheet but typically eight shots are available for races and four available for tests.
Maintaining engine parity within a very close tolerance that will make no significant difference to the cars’ performance throughout the season is one of the most important criteria of the championship.
There may be occasions during the season when a car’s engine needs to be replaced. If so, it will be replaced by one that has been subject to a similar level of use so as to maintain parity with the other cars. To achieve this, a pool of spare engines will be rotated through the F2 cars after each event or every other event (depending on the event schedule). This will ensure that that there is minimal difference in usage levels between those engines in the F2 cars and the spare engines at any given time.
In the event that additional spare engines are required, which will not have been rotated through the field, other methods will be employed to ensure engine parity within tolerance. No driver, for example, will benefit from a higher performing new engine to replace their own engine at any stage in the season.
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Tyres
All F2 cars will use identical specification Avon tyres and at each event a total of four sets of dry weather tyres may be used.
For the first day of the event, drivers will have the following tyres available:
(a) Two used sets, as chosen by the driver from the final pool of three sets of dry tyres chosen at the previous event or test, whichever is the most recent
(b) One new set
At the end of the first day of the event the driver must discard one set of used tyres. For the remainder of the event, he or she will then have available:
(c) One used set from the first day of the event
(d) One set that was new for the first day of the event which the driver may or may not have used
(e) One new set
At each Event wet weather tyres will be available as follows:
For the first and second day the driver will have available and may use:
(a) One used set, selected by the driver from the final pool of two sets of wet weather tyres used at the previous event, or if no wet weather tyres were used at the previous Event, the previously nominated used set will be carried forward
(b) One new set
For the third day the driver will have available and may use:
(c) Tyres as permitted for the first and second day, or
(d) If the new set of wet weather tyres was used in race 1 the driver shall have a second new set of wet weather tyres for race 2 and these shall replace four tyres of the driver’s choice from the used and new sets permitted for the first and second day
In the unlikely event that the driver has no used wet weather tyres that, in the opinion of the F2 Chief Engineer, are in a satisfactory condition to be safely used for the following Event, the F2 Chief Engineer will select substitute used wet weather tyres from the F2 stock to be the used set to be carried forward.
Wet weather tyres may not be used in any practice session, qualifying session or race unless that session is officially declared wet.
All dry weather tyres will be of the same compound and construction as will wet weather tyres, unless any change is necessary in which case it will be implemented fairly to all drivers. If any change of tyre specification occurs, the new specification must be used exclusively from that point forward. The arrangements in relation to used tyres will be specified in such circumstances.
All tyres will be allocated at random to drivers by the FIA Technical Delegate.
In the event of any tyre damage requiring replacement, the tyre must be replaced with another from the driver’s currently nominated three sets at the choice of the driver and his F2 Race Engineer, except that on one occasion in every two race events a driver may be supplied with one new tyre subject to the FIA Technical Delegate accepting the F2 Race Engineer’s recommendation that it should be replaced.
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Fuel
All F2 cars will use fuel supplied by F2. At each event there will be a designated identical batch of fuel from which fuel to all F2 cars will be supplied.
Prior to each practice session, qualifying session and race all F2 cars will be refuelled to exactly the same level to promote equal operating weights.
No refuelling will be permitted during any session.
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Data acquisition
After the end of each test, practice session, qualifying session and race, relevant F2 personnel will download extensive data from all F2 cars. Relevant data to assist the driver may be downloaded soon after each session. Such data will normally include:
• Lap time
• Lap number
• Wheel speed
• Engine rpm
• Gear selected
• Throttle position
• Turbo boost
• Water temperature
• Oil Temperature
• Oil pressure
• Steering angle
• Brake line pressure
• Damper displacement for all four wheels
• Lateral G
• Longitudinal G
The driver and Race Engineer will also be able to download limited data for the fastest lap of the Session, normally including:
• Car and Driver
• Lap time
• Lap number
• Wheel speed
• Engine rpm
• Throttle position
• Turbo boost
The Driver is free to share data with anyone.
In addition, every car will be equipped with two on-board cameras: a driver’s eye view and a rear view. After every session the engineer will download the video onto a USB stick and the footage will be reviewed on the engineer’s master PC and the driver’s own laptop. This footage may also be used in the investigation of any incidents by the clerk of the course and stewards.
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Setup
Before each event a Set-Up Sheet will be produced by the F2 Chief Engineer and approved by the FIA Technical Delegate. The Set-Up Sheet will specify the base line set up with which the F2 car will leave the workshop by default. The Set-Up Sheet will also specify the permitted adjustments that may be made.
Engineering & Set Up Changes
The driver may request an alternative set up within the permitted adjustments prior to an event provided he or she notifies the nominated F2 personnel by a stipulated date.
The adjustments that may be made will change from time to time and will be finally confirmed following the test programme with the objective of providing drivers with the mechanism to establish a good mechanical and aerodynamic balance to their F2 car.
The provisional permitted adjustments (within specified ranges) are:
• Wing flap settings, front and rear
• Ride heights, front and rear
• Spring pre-load, front and rear
• Anti-roll bar setting front
• Choice of rear anti-roll bars from the specified range
• Damping, bump and rebound, front and rear
• Cambers, front and rear
• Tracking
• Tyre pressures
Certain adjustments will be able to be made by the driver from the cockpit. Whilst the Race Engineer will advise and recommend, the ultimate choice of set up may be made by the driver. Any instances where the driver disagrees with the Race Engineer’s recommendation will be recorded.
All cars will have the same gear ratios for an event. During an event the F2 Chief Engineer may determine that a change in one or more gear ratio is necessary, in which case all F2 cars will be changed at the same time to the re-specified ratio.
The F2 personnel including mechanics and race engineers will use reasonable endeavours to keep a driver’s set up confidential at all times. Race Engineers may not disclose the set up used by any driver to another driver. Race Engineers will suggest changes based on the handling problems his Driver reports and his experience of helpful solutions.