A go-kart, also written as go-cart (often referred to as simply a kart), is a type of 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.
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 RSA: "The Go-Cart". [1] It is also unclear why the "C" was later changed to a "K".
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.
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 tun. 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. [2] 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).
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. [3] 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 at a reasonable price, 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) [4] exists.
A locomotive or engine is a rail transport vehicle that provides the motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, motor coach, railcar or power car; the use of these self-propelled vehicles is increasingly common for passenger trains, but rare for freight.
The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion.
Kart racing or karting is a road racing variant of motorsport with open-wheel, four-wheeled vehicles known as go-karts or shifter karts. They are usually raced on scaled-down circuits, although some professional kart races are also held on full-size motorsport circuits. Karting is commonly perceived as the stepping stone to the higher ranks of motorsports, with many Formula One champions such as Sebastian Vettel, Nico Rosberg, Ayrton Senna, Max Verstappen, Lewis Hamilton, Michael Schumacher, Kimi Räikkönen and Fernando Alonso, having begun their careers in karting.
A two-strokeengine is a type of internal combustion engine that completes a power cycle with two strokes of the piston during one power cycle, this power cycle being completed in one revolution of the crankshaft. A four-stroke engine requires four strokes of the piston to complete a power cycle during two crankshaft revolutions. In a two-stroke engine, the end of the combustion stroke and the beginning of the compression stroke happen simultaneously, with the intake and exhaust functions occurring at the same time.
A model aircraft is a small unmanned aircraft and may be a replica of an existing or imaginary aircraft. Model aircraft are divided into two basic groups: flying and non-flying. Non-flying models are also termed static, display, or shelf models.
Radio-controlled cars are miniature model cars, vans, buses, trucks or buggies that can be controlled from a distance using a specialized transmitter or remote. The term "RC" has been used to mean both "remote controlled" and "radio controlled", where "remote controlled" includes vehicles that are controlled by radio waves, infrared waves or a physical wire connection. Common use of "RC" today usually refers only to vehicles controlled by radio, and this article focuses on radio-controlled vehicles only.
Sprint cars are high-powered open-wheel race cars, designed primarily for the purpose of running on short oval or circular dirt or paved tracks. Sprint car racing is popular primarily in the United States and Canada, as well as in Australia, New Zealand, and South Africa.
Superkart is a form of motorsport road racing that uses karts on long circuits.
A motorized bicycle is a bicycle with an attached motor or engine and transmission used either to power the vehicle unassisted, or to assist with pedalling. Since it sometimes retains both pedals and a discrete connected drive for rider-powered propulsion, the motorized bicycle is in technical terms a true bicycle, albeit a power-assisted one. Typically they are incapable of speeds above 52km/h.
A micro kart is a small, one passenger mini go-kart. These karts typically have two-stroke engines, ranging in size from 22.5 cc to 85 cc, and putting out anywhere from 1.2 hp to over 20 hp, or an electric motor with rechargeable lithium ion batteries.
A model engine is a small internal combustion engine typically used to power a radio-controlled aircraft, radio-controlled car, radio-controlled boat, free flight, control line aircraft, or ground-running tether car model.
Hybrid vehicle drivetrains transmit power to the driving wheels for hybrid vehicles. A hybrid vehicle has multiple forms of motive power.
The Porsche 918 Spyder is a limited-production mid-engine plug-in hybrid hypercar manufactured by German automobile manufacturer Porsche. The 918 Spyder is powered by a naturally aspirated 4.6 L (4,593 cc) V8 engine, developing 447 kW at 8,700 RPM, with two electric motors delivering an additional 210 kW for a combined output of 652 kW (875 hp) and 1,280 N⋅m (944 lbf⋅ft) of torque. The 918 Spyder's 6.8 kWh lithium-ion battery pack delivers an all-electric range of 19 km (12 mi) under the US Environmental Protection Agency's five-cycle tests.
A small engine is the general term for a wide range of small-displacement, low-powered internal combustion engines used to power lawn mowers, generators, concrete mixers and many other machines that require independent power sources. These engines often have simple designs, for example an air-cooled single-cylinder petrol engine with a pull-cord starter, capacitor discharge ignition and a gravity-fed carburettor.
An electric go-kart is a type of go-kart powered by electric motors and batteries, as opposed to traditional petrol engine. Electric go-karts are mostly intended for recreational usage, though high-performance models for a more serious kart racing are also offered.
The Koenigsegg Regera is a limited production, plug-in hybrid grand touring sports car manufactured by Swedish automotive manufacturer Koenigsegg. It was unveiled at the March 2015 Geneva Motor Show. The name Regera is a Swedish verb, meaning "to reign" or "to rule." Koenigsegg planned to produce only 80 units of the car, many of which were sold upon unveiling, though 84 Regera chassis were constructed.
Electric motorsport is a category of motor sport that consists of the racing of electric powered vehicles for competition, either in all-electric series, or in open-series against vehicles with different power trains. Very early in the history of automobiles, electric cars held several performance records over internal combustion engine cars, such as land speed records, but fell behind in performance during the first decade of the 20th century. With the renaissance of electric vehicles during the early 21st century, notable electric-only racing series have been developed, for both cars and motorcycles, including for example, the FIA Formula E Championship. In other racing events, electric vehicles are competing alongside combustion engine vehicles, for example in the Isle of Man TT and the Pikes Peak International Hill Climb, and in some cases winning outright.
The Techrules Ren is a single-door, high-performance sports car manufactured by Techrules, and designed by Fabrizio Giugiaro and Giorgetto Giugiaro of GFG Style. At its launch, it will become the first sports car to contain a turbine engine. This is also the first production sports car from Techrules. Expectations for the vehicle's construction are 10 (hand-built) per year.
The Puritalia Berlinetta is a hybrid grand tourer manufactured by Italian automobile manufacturer Puritalia Automobili. Introduced at the 2019 Geneva Motor Show, it is the first car produced by the company. The car is intended to be a representation of the classic grand touring cars produced in the 1960s.
The Ferrari SF90 Stradale is a mid-engine PHEV sports car produced by the Italian automobile manufacturer Ferrari. The car shares its name with the SF90 Formula One car with SF90 standing for the 90th anniversary of the Scuderia Ferrari racing team and "Stradale" meaning "made for the road".