Thundersports

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Thundersports was a variety of sports car racing introduced by John Webb of Brands Hatch fame.

Sports car racing auto racing on circuits with two seat cars and enclosed wheels

Sports car racing is a form of motorsport road racing which utilizes sports cars that have two seats and enclosed wheels. They may be purpose-built (Prototype) or related to road-going models.

Brands Hatch race track

Brands Hatch is a motor racing circuit in West Kingsdown, Kent, England. First used as a grasstrack motorcycle circuit on farmland, it hosted 12 runnings of the British Grand Prix between 1964 and 1986 and currently hosts many British and International racing events. The venue is owned and operated by Jonathan Palmer's MotorSport Vision organisation.

Webb saw it as a replacement for the Aurora AFX Formula One championship as a spectacular class that could headline national-level meetings, and a partner for the Thundersaloons series for silhouette-bodied touring cars.

The British Formula One Championship, often abbreviated to British F1, was a Formula One motor racing championship held in the United Kingdom. It was often referred to as the Aurora AFX Formula One series due to the Aurora company's sponsorship of the series for three of the four seasons.

Thundersports was essentially a sports-car version of Formula Libre with cars from Sports 2000, Group 5, Group 6, Can-Am, Group C and various other prototype categories all eligible; a number of hybrid cars appeared in the series. Even the odd Clubmans car appeared.

Formula Libre

Formula Libre is a form of automobile racing allowing a wide variety of types, ages and makes of purpose-built racing cars to compete "head to head". This can make for some interesting matchups, and provides the opportunity for some compelling driving performances against superior machinery. The name translates to "Free Formula" – in Formula Libre races the only regulations typically govern basics such as safety equipment.

Sports 2000

Sports 2000 is a restricted-rules class of two-seat, mid-engined, open-cockpit, full-bodied sports-prototype racecar used largely in amateur road racing. Sometimes known as S2000 or S2, the class was developed by John Webb, then of the Brands Hatch racing circuit in England, as an affordable form of sports car racing, essentially a sports car version of Formula Ford 2000. The key attributes of the class were a body design reminiscent of two-liter Group 6 sports racing cars like the Chevron B21 and Lola T-212 but with an ultra-reliable and inexpensive drivetrain comprising a two-liter "Pinto" overhead camshaft engine with very limited allowed modifications and the well-proven, VW-based Hewland Mk 9 transaxle. S2000 aerodynamics continued to evolve beyond their 1970s Group 6 roots, with very 'slippery' cars featuring spats over the wheels becoming the norm.

Group 5 was an FIA motor racing classification which was applied to four distinct categories during the years 1966 to 1982. Initially Group 5 regulations defined a Special Touring Car category and from 1970 to 1971 the classification was applied to limited production Sports Cars restricted to 5 litre engine capacity. The Group 5 Sports Car category was redefined in 1972 to exclude the minimum production requirement and limit engine capacity to 3 litres. From 1976 to 1982 Group 5 was for Special Production Cars, a liberal silhouette formula based on homologated production vehicles.

The series ran from 1983 to 1989, with grids slumping from 1983's average of around 20 to about 10 cars by the end. When the series was terminated it was effectively replaced by a short-lived BRDC C2 Championship for prototypes.

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Formula Atlantic

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Group C race car class

Group C was a category of motorsport, introduced by the FIA in 1982 for sports car racing, along with Group A for touring cars and Group B for GTs.

The World Sportscar Championship was the world series run for sports car racing by the FIA from 1953 to 1992.

The All Japan Sports Prototype Championship (全日本スポーツプロトタイプ選手権), abbreviated as JSPC, formed by the Japan Automobile Federation, was a domestic championship which took place in Japan for Group C and IMSA GTP prototype cars and also featured cars that were eligible for touring car racing in its earlier years. Class A and Class B for production cars which were defined by the FIA and the lead category, Class C would be for cars that are similar to IMSA's Camel Lights and the WEC's C2, whereas Class D was for C1/GTP cars.

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Circuit Trois-Rivières race track

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The BRDC C2 Championship was a short lived sports car racing series which ran from 1988 to 1990. The series was for Group C cars which fit into the smaller, less powerful, and cheaper C2 category. All races were run in the United Kingdom. The British Racing Drivers' Club ran the series during its lifetime.

The Australian Motor Racing Championships was a collection of national motor racing series travelling to a series of circuits across Australia under a single banner. These race meetings represent the banner race meetings for the Australian Auto Sport Alliance who sanction the series through circuits aligned to the AASA. The series has since collapsed due to poor entry numbers.

The European Sportscar Championship was a name used by several sports car racing championships based in Europe. Initially created in 1970 by the Fédération Internationale du Sport Automobile (FISA) as the European 2-Litre Sports Car Championship for Makes, the series increased in popularity and eventually became part of the World Sports Car Championship in 1976 even after a troubled 1975 season. Only two years later, as interest in sports-prototypes faded, the championship was downgraded from World Championship status and a European championship returned once more, only to be cancelled after its sole 1978 season.

Lola T600

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John Bartlett (racing driver) British racing driver

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Ford C100

The Ford C100 is a sports racing car, initially built and run as a Group 6 car, but later as a Group C car. The C100 was built by Ford in 1981, and initially featured a 4-litre Cosworth DFL V8 engine, which was replaced by a 3.3-litre version of the same engine in 1983, after the car had passed to private hands. Five cars are known to have been built. Although the cars were often very quick in qualifying, reliability problems plagued them, and restricted their successes to two Deutsche Rennsport Meisterschaft victories in 1982, and a single Thundersports victory in 1983. Following the end of Ford's involvement in the C100 project in 1983, Zakspeed modified one of the chassis into the C1/4, which used a 1.8-litre turbocharged in-line 4 from their Group 5 Ford Capri. The C100 was also evolved into the Zakspeed C1/8, which used the 4-litre Cosworth DFL in a C1/4 chassis. The Zakspeed cars would prove to be far more successful than the C100 had ever been, and Klaus Niedzwiedz used a C1/8 to win the Interserie in 1984.

The Thundersports Series was a domestic championship which took place in mainly at Brands Hatch ran circuits, for prototype sportcars and also featured cars that were eligible for Can-Am and Group C2 racing. To bring some real excitement, noise and spectacle back into British motor racing, after the demise of the British Formula One Championship, the BRSCC invented Thundersports. The new series had its debut on Easter Monday 1983 and the country's first major sport car race since the mid-1970s was a resounding success.

Royale Race Cars was a British constructor of race cars in the 20th century. The company produced single seaters as well as sports cars.

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