Group CN

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This article is about the sports car classification. For the media group, see CN Group. For the Canadian corporate group, see Canadian National. For the alegra group, see CN-group. For the cyano-group, see cyanide.

Group CN is a category of motorsport, introduced by the FIA in the early nineties for sports car racing.[citation needed] Group CN cars are mainly seen in hillclimbing championships or sports racing series. Group CM is a non-FIA class which is closely related to Group CN.

Major racing series[edit]

PRCCN07 NormaM20F SportsCarChallenge Hockenheim 2010.jpg

Group CN rules are applied to a variety of championships. Many championships alter the rules in their own way like the Radical European Masters and V de V championships.

Radical European Masters[edit]

The Radical European Masters is a spec racing series in Europe. It features the Radical SR8 and Radical SR3, each in their own class.

Speed Euroseries[edit]

The Speed Euroseries is an open sports racing class based in Great-Britain. There is a free choice of chassis, like Norma and Ligier. All cars are powered by the Honda K20A engine.

V de V[edit]

See also: V de V

The French based V de V organisation features two FFSA Group CN based classes. The endurance championship is open for any chassis and engine within the regulations. The V de V organisation also features the Funyo Challenge open to Peugeot powered Funyo 4 or Funyo 5.

National championships[edit]

A Group CN racing class exists in many countries. Examples are the Radical UK Cup which features the Radical SR3 and the Open España Prototipos.

FIA Group CN technical regulations[edit]

Engine Maximum of 6 cylinders and

3000cc, homologated by the FIA in Group N.

Drivetrain Free, with a maximum of 6

forward ratios. Reverse gear is compulsory.

Maximum dimensions Length: 4800mm
Width: 2000mm
Height: 1030mm
Front plus rear overhangs not to exceed 80% of the wheelbase.
Difference between front and rear overhangs not to exceed 15% of the wheelbase.
Bodywork Open or closed cockpit
Rear wing Maximum of 2 elements, which must fit within a 150x400mm cross section. Maximum span of 1800mm
Weight Related to engine capacity
Up to 1000cc: 475kg
1000cc - 1300cc: 495kg
1300cc - 1600cc: 515kg
1600cc - 2000cc: 535kg
2000cc - 2500cc: 575kg
2500cc - 3000cc: 625kg

[1]

See also[edit]

References[edit]

  1. ^ Technical Regulations for Production Sports Cars. FIA Sport / Technical Department. 2011. pp. 1–19.