Group CN

Last updated

Group CN is a category of vehicles used in motorsport, introduced by the FIA in 1993 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.

Contents

Major racing series

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

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

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

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

GT & Prototype Challenge

Ran as part of the Benelux-based Supercar Challenge, the GT & Prototype Challenge allows Group CN classification cars to compete; current competitors include the Radical SR3 and Norma M20 FC.

FIA Group CN technical regulations

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 dimensionsLength: 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.
BodyworkOpen or closed cockpit
Rear wingMaximum of 2 elements, which must fit within a 150x400mm cross section. Maximum span of 1800mm
Minimum weight (without driver)Related to engine capacity
Up to 1000cc: 475 kg
1000cc - 1300cc: 495 kg
1300cc - 1600cc: 515 kg
1600cc - 2000cc: 535 kg
2000cc - 2500cc: 575 kg
2500cc - 3000cc: 625 kg

[1]

See also

Related Research Articles

<span class="mw-page-title-main">Auto racing</span> Motorsport involving the racing of cars for competition

Auto racing is a motorsport involving the racing of automobiles for competition.

<span class="mw-page-title-main">Touring car racing</span> Motorsport road racing competition

Touring car racing is a motorsport road racing competition that uses race prepared touring cars. It has both similarities to and significant differences from stock car racing, which is popular in the United States.

<span class="mw-page-title-main">Sports car racing</span> Type of motorsport road racing

Sports car racing is a form of motorsport road racing which utilises sports cars that have two seats and enclosed wheels. They may be purpose-built prototypes or grand tourers based on road-going models. Sports car racing is one of the main types of circuit auto racing, alongside open-wheel racing, touring car racing and stock car racing. Sports car races are often, though not always, endurance races that are run over particularly long distances or large amounts of time, resulting in a larger emphasis on the reliability and efficiency of the car and its drivers as opposed to outright car performance or driver skills. The FIA World Endurance Championship is an example of one of the best known sports car racing series.

<span class="mw-page-title-main">Motorsport</span> Sport primarily involving the use of motorized vehicles

Motorsport(s), or motor sport(s), are sporting competitions and activities that primarily involve the use of automobiles. Historically, the terms have encompassed sporting use of other motorised vehicles including motorcycles, motorboats and powered aircraft, however, specific terms are now more commonly used in these latter areas such as motorcycle sport, power boating and air sports.

<span class="mw-page-title-main">Formula racing</span> Open-wheeled single-seater motorsport

Formula racing is any of several forms of open-wheeled single-seater motorsport. The origin of the term lies in the nomenclature that was adopted by the FIA for all of its post-World War II single-seater regulations, or formulae. The best known of these formulae are Formula One, Formula E, Formula Two, Formula Three, regional Formula Three and Formula Four. Common usage of "formula racing" encompasses other single-seater series, including the IndyCar Series and the Super Formula Championship.

<span class="mw-page-title-main">Le Mans Prototype</span> Sportscar endurance racing class

A Le Mans Prototype (LMP) is a type of sports prototype race car used in various races and championships, including the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series and Asian Le Mans Series. Le Mans Prototypes were created by the Automobile Club de l'Ouest (ACO). The technical requirements for an LMP include bodywork covering all mechanical elements of the car. As of 2023, there are two classes within Le Mans Prototypes, designated LMP2 and LMP3.

<span class="mw-page-title-main">World Touring Car Championship</span> Worldwide auto racing championship

The FIA World Touring Car Championship was an international touring car championship promoted by Eurosport Events and sanctioned by the Fédération Internationale de l'Automobile (FIA). It has had several different incarnations, including a single season in 1987 as the World Touring Car Championship and most recently a world championship (WTCC) that has run between 2005 and 2017. Following the 2017 season, an agreement was reached for the FIA WTCC to become FIA WTCR and use the TCR technical regulations.

<span class="mw-page-title-main">Radical Sportscars</span> British car manufacturer

Radical Motorsport is a British manufacturer and constructor of racing cars. The company was founded in January 1997 by amateur drivers and engineers Mick Hyde and Phil Abbott, who built open cockpit sportscars which could be registered for road use and run on a track without modification. Radical produce a mix of purpose built race cars as well as road legal sports cars in varying specifications. Their most popular car is the Radical SR3.

The FIA Sportscar Championship was a sports car racing series created by John Mangoletsi and got the approval of the Fédération Internationale de l'Automobile (FIA) in 2001. It was a series similar to the FIA GT Championship, concentrating on two classes of open-cockpit sports prototypes in endurance races mostly around Europe. The series was folded after the 2003 season.

<span class="mw-page-title-main">British GT Championship</span> Sports car racing series based predominantly in the United Kingdom

The British GT Championship is a sports car racing series based predominantly in the United Kingdom. The series was originally created by the British Racing Drivers' Club in 1993 and, for its first two seasons, was known as the National Sports GT Challenge. The series is currently run by the Stéphane Ratel Organisation and from 2023 where dubbed as GT World Challenge Great Britain, while Pirelli began its first season as the championship's official sole tyre supplier in 2016.

The GT4 European Series is a sports car championship created and organised by SRO Motorsports Group. It is a pro/am championship which followed a formula similar to the FIA GT3 European Championship, which was itself derived from the FIA GT Championship which utilized the GT1 and GT2 classes. The GT4 class cars are the least powerful of the four classes, yet are equalised in order to allow driving skill to become key.

<span class="mw-page-title-main">SRO Motorsports Group</span> Auto racing promoting company

SRO Motorsports Group is an international sporting organisation best known for promoting and running a variety of racing events and series, including the Total 24 Hours of Spa, Intercontinental GT Challenge and Fanatec GT World Challenge Europe.

The Radical European Masters, or REM for short, is a one make sports cars motor racing series launched in 2008.

The Australian Prototype Series is an Australian motor racing series for competitors smaller-engined prototype sports cars. Originally known as Sports Racer Series, eligibility is something of a polyglot collection of existing racing cars and racing categories, featuring Group 2C Supersport racing cars, which in itself is an amalgamation of the former Clubman Sports 1300 regulations with some newer motorcycle engined cars built specifically for Supersports, and a group of Category 6 sports cars produced by West, Minetti, Radical, Lincspeed and ADR, many of which formerly raced as Prototype Sports Cars, or Protosports. Drawing from so many different sources, entry was diverse. The first race meeting for the new category was held at the 2010 Clipsal 500 V8 Supercar race meeting. By 2011 the majority of the grid were American style SCCA DSR class Wests.

<span class="mw-page-title-main">Praga R1</span> Race car

The Praga R1 is a sportscar made by Czech car manufacturer Praga Racing. The cars raced on the Supercar Challenge and the Britcar Endurance Championship.

<span class="mw-page-title-main">Group GT3</span> Regulation for grand tourer racing cars

Group GT3, known technically as Cup Grand Touring Cars and commonly referred to as simply GT3, is a set of regulations maintained by the Fédération Internationale de l'Automobile (FIA) for grand tourer racing cars designed for use in various auto racing series throughout the world. The GT3 category was initially created in 2005 by the SRO Group as a third rung in the ladder of grand touring motorsport, below the Group GT1 and Group GT2 categories which were utilized in the SRO's FIA GT Championship, and launched its own series in 2006 called the FIA GT3 European Championship. Since then, Group GT3 has expanded to become the de facto category for many national and international grand touring series, although some series modify the ruleset from the FIA standard. By 2013, nearly 20 automobile manufacturers have built or been represented with GT3 machines.

V de V Series is a motor racing organisation that owns and runs a group of international motor racing championships. Based in Paris, the majority of events are held in France although the series regularly visits Spain and Portugal and has also visited Belgium, Germany and Italy. The organisation takes its name from founder Eric van de Vyver. His family is involved in most aspects of running the series and they have their own racing team within the series.

<span class="mw-page-title-main">2017 GT & Prototype Challenge</span>

The 2017 GT & Prototype Challenge was the 1st season of the GT & Prototype Challenge. The Super GT and Superlights classes of the Supercar Challenge were split from the original series to form the new championship.

The 2020 GT & Prototype Challenge was the fourth series of the GT & Prototype Challenge. The GT and Superlights classes of the Supercar Challenge were split from the original series to form the new championship.

The 2018 GT & Prototype Challenge was the second season of the GT & Prototype Challenge. It began at Circuit de Spa-Francorchamps 13 April and ended at TT Circuit Assen on 21 October.

References

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