Go-kart

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A driver with a 2008 Kosmic TS28 on the grid at KartSport Mt Wellington, New Zealand Kosmic TS28.JPG
A driver with a 2008 Kosmic TS28 on the grid at KartSport Mt Wellington, New Zealand
Soap Box Derby at a community celebration in Minnesota SoapboxRace.jpg
Soap Box Derby at a community celebration in Minnesota
Indoor kart rental IndoorKartRacing.jpg
Indoor kart rental
Go-kart on a track in Kanagawa, Japan
A two-seater rental Gokart.jpg
A two-seater rental

A go-kart, also written as go-cart (often referred to as simply a kart), is a type of small sports car, close wheeled car, open-wheel car or quadracycle. Go-karts come in all shapes and forms, from non-motorised models to high-performance racing karts. Karting is a type of racing in which a compact four-wheel unit called a go-kart is used. Art Ingels created the first go-kart in Los Angeles in 1956. [1]

Contents

Etymology

The exact origin of the term is unclear. One of the first appearances of the term is an 1885 painting by the Scottish artist Hugh Cameron's "The Go-Cart". [2] It is also unclear why the C was later changed to a K. In the film The Ivory-Handled Gun (1935), the crippled father of Buck Jones refers to his wheelchair as a "go cart". Charles Dickens also used go-cart in Master Humphrey's Clock and other Stories when talking of his travel to Italy. In Genoa, he talks about "a man without legs, on a little go-cat". [3]

Non-motorised

Gravity racers, in North America usually referred to as Soap Box Derby carts, are the simplest type of go-karts. They are propelled by gravity. Go-karts without motors (quadracycles) may also be propelled by bicycle pedals.

Motorised

Engines

Traditionally, small two-stroke and four-stroke internal combustion engines are used in motorised go-kart racing. Power is transmitted from the engine to the rear axle by way of a chain (some rentals use a belt).

Four-stroke engines can be standard air-cooled industrial based engines, sometimes with small modifications, developing from about 5 to 20 hp (4 to 15 kW). Briggs & Stratton, Tecumseh (company closed in 2008), Kohler, Robin, and Honda are manufacturers of such engines. They are adequate for racing and fun kart applications. There are also more powerful two-stroke engines available from manufacturers like Yamaha, KTM, Biland, or Aixro (Wankel engine) offering from 15 to 48 hp (11 to 36 kW). They run at up to 11,000 rpm, and are manufactured specifically for karting. PRD makes the PRD Fireball, a two-stroke engine delivering 28.5 hp (21 kW) at 15,580 rpm.

Electric go-karts are available, requiring only that the batteries of the karts be plugged into an array of chargers after each run. Since they are pollution-free and emit no smoke, the racetracks can be indoors in controlled environments. Electric karts powered by lead-acid batteries can run a maximum of 20–30 minutes before the performance is affected, while those powered by lithium batteries may last up to 2 hours on a single charge. Some karts have been fitted with hydrogen fuel cells. [4] High-performance electric go-karts for amusement parks and indoor tracks may have external electronic controls in the event of an accident or other hazards, in which the track attendant or the race referee can remotely slow down or stop all vehicles on the track via radio control. This external control can also be used to limit young riders to a slow operating speed, while a race consisting only of adults is permitted a higher speed. These controls can be applied to both electric and combustion-engine karts.

In some countries, go-karts can be licensed for use on public roads often referred to as street tracks. Typically there are some restrictions; in the European Union, a go-kart modified for use on the road must be outfitted with headlights (high/low beam), tail lights, a horn, indicators, and an engine not exceeding 20 hp (15 kW).

Recreational, concession and indoor karts

Besides traditional kart racing, many commercial enterprises offer karts for rent, often called "recreational" or "concession" karts. The tracks can be indoor or outdoor. Karts are rented by sessions (usually from 10 to 30 minutes) or on a day basis. [5] They use sturdy chassis complete with dedicated bodywork, providing driver safety. Most of these enterprises use an "Arrive and Drive" format which provides customers with all the safety gear (helmets, gloves and driver outfits) necessary, and allow them to show up anytime to race, without the problem of having to own their own equipment and gear.

Outdoor tracks can offer low-speed karts strictly for amusement (dedicated chassis equipped with low powered four-stroke engines or electric motors), or faster, more powerful karts, similar to a racing kart, powered by four-stroke engines up to 15 hp (11 kW) and, more rarely, by 2-stroke engines, but designed to be more robust for rental use. Typically, outdoor tracks are also used for traditional kart races.

Indoor kart tracks can be found in many large cities in different parts of the world. These tracks are often located in refurbished factories or warehouses, and are typically shorter than traditional outdoor tracks. Indoor karts are usually powered by a four-stroke gasoline engine producing anywhere from 5 to 13 hp (4 to 10 kW), or sometimes by an electric motor. Many tracks offer competitive races and leagues. At the top level, an Indoor Karting World Championship (IKWC) [6] exists.


There is a separate category of go karts in the powersports industry that includes off road go karts. These are similar to a miniature dune buggy. Off road go karts typically feature large tires, a full roll cage, heavy duty suspension, and featured to protect the riders from wind and mud. There are no longer any American made offroad buggy brands due to legal issues, so all brands will come from China. The top ranked brand of off road go karts is Trailmaster, owned by BV Powersports out of Texas. Although there are some brick and mortar dealers around the country, Trailmaster go karts are typically sold online.

Other brands of offroad go karts include Coleman, Tao Tao, Kandi, and Hammerhead (now owned by Polaris).

See also

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KF1 is the top level of karting. It is open to drivers aged 15 and up.

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The PRD Fireball is a two-stroke go-kart racing engine manufactured by Pro Racing Design Co, Ltd. Pro Racing Design is a Taipei, Taiwan based company, manufacturing an array of racing engines for use in professional go-kart racing worldwide. Pro Racing Design was founded by Chris Dell from Australia and it is now an Australian based manufacturer. The Fireball represents an engine targeted for multiple racing classes: International Kart Federation (IKF), World Karting Association (WKA) and Touch and Go (TAG) USA. The PRD Fireball is the cheapest TAG motor available to purchase new in the USA.

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References

  1. "Go Kart History". gokartwiki.com/.
  2. Hugh Cameron
  3. Dickens, Charles. Master Humphrey's Clock and Pictures from Italy.
  4. Forze hydrogen karts Archived 2014-05-14 at the Wayback Machine
  5. "Karty Party". www.kartyparty.co.uk.
  6. "What is Go Karting". xtmmotorsports.com/blog/what-is-go-karting/.