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The Clubman is a class of prototype front-engined sports racing cars that originated in Britain in 1965 as a low-cost formula for open-top, front-engined roadgoing sports cars like the Lotus 7, which had been crowded out of the mainstream by rear-engined cars such as the Lotus 23.
The cars have evolved and specialised, but it remains a very popular class of racing.
The Clubmans Sports Prototype Championship is organised by The Clubmans Register and currently races with Motor Sport Vision Racing (MSVR) and is a Motor Sports UK (MSUK) recognised club.
The championship runs with four classes; CSP1 for cars up to 2000cc developing 200bhp from 4 cylinder road derived engines or motorcycle engines up to 1600cc. CSP2 for cars using sealed 1600 K series engines developing 125bhp. CSPA for Classic A cars built before 1981. CSPB for Classic B cars built before 1981.
The class was initiated by Nick Syrett of the British Racing and Sports Car Club (BRSCC) and organised by the Clubmans Register which represent car owners, drivers and constructors.
Clubmans evolved from categories such as the 1,172 cc formula for Ford-based specials and several of the 750MC's entry-level formulae. It was intended as a low-cost formula for open-top, front-engined road-going sports cars like the Lotus 7, which had been crowded out of the mainstream by rear-engined cars such as the Lotus 23. Before long, the cars rapidly evolved into highly specialised and very quick sports-racers – retaining the front-engined/rear wheel drive layout, but acquiring in due course wings and slicks. Unlike endurance-oriented forms of sports car racing, Clubmans tend to run at club-level meetings. Races were typically short (15–30 miles) and driver changes and refueling were not part of the strategy.
Marques such as Chevron made their debut in the formula and the long-lived series of Mallock U2 cars came to dominate numerically (and often in terms of results). Over the years, marques such as Gryphon, Centaur, Bladon, Haggispeed, Phantom, Vision, Pulsar and Slique as well as specials like the St Bruno Roughcutter and the Hustler graced the grids with varying degrees of success. Clubmans cars also became a popular class in hillclimbing.
Clubmans has remained a relatively low-cost formula with cars having a long life and stability of rules meaning that drivers tend to remain in the formulae and develop their cars. In a straight line, Clubmans cars were often almost as quick as Formula Three single-seaters. The formula acquired a reputation for close competition, varied grids, and a healthy social scene.
Engine rules varied somewhat over time. Initially the formula used 1000 cc or 1500 (later 1600) cc pushrod engines that had to be based on Ford or BMC units – practically, the 1,000 cc units were detuned ex-F3 engines). For most of the formula's life, the engines were the 1000 cc ex F3 units and 1600 cc Ford Kents or Ford-based Holbay, and finally the 1600 Kent in Formula Ford spec ("B sports/Sports 1600") and 1700 cc crossflow units ("A sports") in high states of tune.
As the Ford units drifted into obsolescence, other units replaced them. Sports 1600 gave way to "K Sports" with a Rover K-series engine and the 16-valve two-litre Vauxhall temporarily replaced the 1700 cc Crossflow unit in 1993 for the short-lived rear-engined Supersports category.
Rear-engined cars with the Vauxhall unit were admitted to the series for the first time in 1995 alongside traditional front-engined cars. Seeking a more upmarket image, the alternative formula was renamed National Supersports, but over the years grids declined due to increased costs. Many of the marques that made their debut in National Supersports now compete in alternative prototype series such as Britsports or VdeV, which provide prototype racing on a relatively affordable scale.
Clubmans in the UK continues as a highly popular and affordable form of racing with two race series catering for "Classic" cars (up to and including 1980 running almost exactly as the original formula with classes catering for cars from most periods of the formula's history) and the Clubmans Sports Prototype Championship running in four classes CSP1, CSP2, CSPA and CSPB as described above.
Clubmans has also been popular in Scandinavia since the 80s when Swedish car enthusiast Stefan Mumm bought a Mallock and promoted the formulae. The results of his enthusiasm are more than 20 cars registered in the series. In addition to the ubiquitous Mallock, local marques such as Bodin and Phantom are now produced and are still being developed; in 2008 three brand new cars were produced. The Scandinavian Clubmans class uses 1800 cc Ford Zetec engine, and is one of the fastest sportscar series in Scandinavia.[ citation needed ]
Australia has also had a thriving clubman class since the 50's known as the Clubman Sports 1300 class based on 1300cc engine cars. this has now morphed in the Supersports class which allows rear engines and motorbike powered cars where the original clubman class did not.
Clubmans cars also compete in the US, Canada, New Zealand, South Africa, and Switzerland.
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The Australian Clubman, later known as Sports 1300 class catered for small capacity front engine rear wheel drive sportscars initially similar to the road going sports cars such as the Lotus 7 and to other Clubman series internationally. These cars were simple two seat cars based on widely available road car components in a purpose-built space frame chassis and simple bodywork using cycle guards over the front wheels. The basic features of these cars were
The Mallock U2 is a race car, designed, developed and built by Major Arthur Mallock and later his son Richard. Arthur’s first customer race cars were simply called U2. The first of which the Mk1 were sold as kits in 1958. By about 1969 the name changed to Mallock U2. It was designed to compete in both single seater racing,eg Formula Junior and with the addition of cycle type mudguards in Sportscar racing. By 1965 a UK series was established to cater for “Lotus 7 type cars” or Clubmans which included the Mallock U2. purpose-built It was a versatile and highly effective front engined race car. It also competed in Formula Junior, Formula Ford, and Formula Three events. The chassis was constructed out of a steel tubular spaceframe, and it was later equipped with a De Dion rear axle, in 1972. It was very light, weighing only 948 lb (430 kg). It was powered by a number of different four-cylinder engines; including an 1,172 cc (71.5 cu in) Ford Sidevalve engine, a smaller 997 cc (60.8 cu in) Ford Kent engine, an 1,100 cc (67 cu in) BMC A-series engine, and even a 1.5–1.6 L (92–98 cu in) Ford-Cosworth SCA/Cosworth FVA engine. This drove the rear wheels through a conventional 4-speed manual transmission; first used in the Austin A30.
The Mallock Mk.XI, also designated as the Mallock Mk.11, is an open-wheel formula racing car, developed and built by Ray Mallock Ltd., in 1970. It was specifically designed and constructed to compete in the Clubman category and class; which catered to front-engined sports prototype race cars. It was also later used in Formula Three racing. It was powered by a naturally-aspirated 1.6 L (98 cu in) Ford-Cosworth FVA four-cylinder engine, producing approximately 220 hp (160 kW).