Caterham Cars

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Caterham Cars

Image:Caterham cars.png

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Caterham Cars are a manufacturer of specialist lightweight sports cars based in Caterham, Surrey, England and part of the British motor industry. Their only model, the Caterham 7, is a direct development of the Lotus Seven designed by Colin Chapman and made under license.

The cars are constructed from aluminium sheet attached to a tubular steel chassis, brazed together by hand. Their extremely high performance is achieved through light weight (less than 500 kg on some versions) rather than particularly powerful engines.

The most extreme engine/chassis combination available from the factory as of 2004 was the R500 with the 230 bhp (169 kW) MG Rover engine, bringing the car's 430 kg (948 lb) from zero to 60 mph in 3.4 seconds. This model also has the current production car world record (as of 27/04/2004) for 0-100-0 mph at 10.73 seconds. However, the new Caterham CSR model surpasses the R500 in power, and in 2005 may be expected to take the records for itself.

Caterham buyers often assemble their cars themselves and usually modify them heavily, installing better engines, gearboxes and suspension.

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Model Line-up

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Classic

The old school Caterham with a live rear axle that is generally believed to have a poorer handling on rough roads. Engine: 1.4-litre (105 bhp).

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Roadsport

An updated rear suspension with a deDion axle and optional Watts linkage, paired with an adjustable anti roll bar allows for a more detailed control of the rear wheels during heavy cornering. Engines: 1.6 and 1.8-litre (115 to 160 bhp).

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SV

Same construction as the Roadsport, but lenghtened by 80 mm and widened by 110 mm. This results in a somewhat less cramped interior at the price of 25 kg (55 lb) extra weight. The handling penalty of the additional weight is offset by the wider stance of the front and rear wheels. Engines: 1.6 and 1.8-litre (115 to 160 bhp).

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Superlight

A pure track version of the Roadsport with glass fibre nose cones, fenders and other parts replaced by carbon fibre. The windshield has been replaced with a wind deflector, making a helmet more or less mandatory while driving or traveling. Engines: 1.8-litre (160 to 230 bhp).

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CSR

Introduced in late 2004, these new models are based on the SV, but use Ford Duratec engines tuned by the Cosworth company instead of the old MG Rover powerplants. Engines: 2.3-litre (200 to 260 bhp). It is expected to provide extremely high performancem with 0 - 60 Mph times of 3.1 seconds.

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Engines

Historically, engines have been supplied by Ford, using the Ford Kent engine or a Cosworth-derived race-prepared BDG unit, enlarged to 1.7 litres and generating 150 bhp. In the late 80s, Caterham started using powerplants from various sources, with the least expensive models using a 1.4-litre K series from MG Rover for the base model, followed by a Ford Zetec 1.8-litre and a race-tuned Opel engine at the top, capable of achieving 175 or 210 bhp.

In 2001, Caterham entered a partnership with MG Rover, where the British manufacturer became the sole supplier for factory-built Sevens (Ford Zetec, Honda Fireblade, Yamaha Firebird or Suzuki Hayabusa engines were available for home assembly). These were based on the K series and carried the Xpower branding. The partnership apparently came to an end with the introduction of the 2005 model, now powered by a Ford Duratec engine.

The output from these power plants range from 140 to approximately 300 bhp, depending on modifications carried out on them.

The gearbox is either the classic Ford Ford T9 five speed or the Caterham in house six speed box. The T9 is cheap and durable, but has gear ratios meant for a much heavier car. The six speed gearbox is expensive but is also considered the perfect match for the Seven. Independent companies such as Quaife provides replacement gearkits for the T9 and even sequential boxes for those with a racing fever and a large wallet.

Caterham have previously also made the Caterham 21 model but this was not a sales success and has been discontinued. The 21 used the 7 tube frame chassis with a plastic bodyshell on top. All engines available throughout the 7 range could be used, but Caterham recommended the 210 bhp Opel VHPD powerplant.

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Motor racing

Due to its low cost, the Caterham has been a favourite among club racers since the beginning of its career. In the United Kingdom, the Caterham is used in a variety of one-make series and sports car championships, both national and regional.

Due to its power-to-weight ratio, the Caterham has proved successful against bigger and more powerful sportscars, to the point that it has been banned from FIA competitions and most international races, coining the phrase "too fast to race".

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External link

  • Caterham Cars
  • Caterham Motorsport
  • Caterham USA
  • Lotus Seven Club UK
  • California Caterham Club USA
  • Show off of new generation carssv:Caterham

News

  • Caterham CSR260 - Automobile Magazine
  • UK: Famous Rover V8 still available new - just-auto.com (subscription)
  • Legendary Caterhams go under the hammer - New Car Net
  • Weston Super Mare firm wins £25m Land Rover V8 contract - Auto Industry

Related articles

Image:Wikipedia-small.png Wikipedia article about Caterham Cars (search). This article uses material from that article.
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