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2011 F1 Technical Regulation

Formula 1 Governing body FIA has published the full technical regulations for 2011 including the specifications of the driver-adjustable rear wings being introduced for next year. Several new rules aimed at curbing flexible bodywork have also been introduced.
The controversial new driver-adjustable rear wings are explained in article 3.18:
3.18.1 – When viewed from the side of the car at any longitudinal vertical cross section, the physical point of rotation of the rearmost and uppermost closed section must be fixed and located no more than 20mm below the upper extremity and no more than 20mm forward of the rear extremity of the area described in Article 3.10.2 at all times.
– The design is such that failure of the system will result in the uppermost closed section returning to the normal high incidence position.
– Any alteration of the incidence of the uppermost closed section may only be commanded by direct driver input and controlled using the control electronics specified in Article 8.2.
3.18.2 The adjustable bodywork may be activated by the driver at any time prior to the start of the race and, for the sole purpose of improving overtaking opportunities during the race, after the driver has completed a minimum of two laps after the race start or following a safety car period.
The driver may only activate the adjustable bodywork in the race when he has been notified via the control electronics (see Article 8.2) that it is enabled. It will only be enabled if the driver is less than one second behind another at any of the pre-determined positions around each circuit. The system will be disabled by the control electronics the first time the driver uses the brakes after he has activated the system.
The FIA may, after consulting all competitors, adjust the above time proximity in order to ensure the stated purpose of the adjustable bodywork is met.3.18.1 The incidence of the rearmost and uppermost closed section described in Article 3.10.2 may be varied whilst the car is in motion provided:- It comprises only one component that must be symmetrically arranged about the car centre line with a minimum width of 708mm.
– With the exception of minimal parts solely associated with adjustment of the section, no parts of the section in contact with the external airstream may be located any more than 355mm from of the car centre line.
– With the exception of any minimal parts solely associated with adjustment of the rearmost and uppermost section, two closed sections are used in the area described in Article 3.10.2.
– Any such variation of incidence maintains compliance with all of the bodywork regulations.
2011 FIA Technical Regulations
The minimum weight of the cars has been increased to 640kg. For next year only, the FIA has set down rules on the weight distribution:
4.2 Weight distribution:
For 2011 only, the weight applied on the front and rear wheels must not be less than 291kg and 342kg respectively at all times during the qualifying practice session.
If, when required for checking, a car is not already fitted with dry-weather tyres, it will be weighed on a set of dry-weather tyres selected by the FIA technical delegate.
4.3 Weight of tyres:
The weight limits specified in Articles 4.1 and 4.2 will be adjusted according to any differences (rounded up to the nearest 1kg) between the total set and individual axle set weights respectively of the 2010 and 2011 dry-weather tyres.

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