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Trackless train

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Trackless train

A trackless train for tourists in Tenerife

A trackless train — or tram (U.S. English), road train, land train, parking lot tram, Dotto train or Choo-Choo train — is a road-going articulated vehicle used for the transport of passengers, comprising a driving vehicle pulling one or more carriages connected by drawbar couplings, in the manner of a road-going railway train. Similar vehicles may be used for transport of freight or baggage for short distances, such as at a factory or airport.

Contents

  • Terminology 1
  • Technology 2
  • Public uses 3
  • Private uses 4
  • Appearance 5
  • Airport baggage trains 6
  • See also 7
  • References 8
  • External links 9

Terminology

Trackless train or land train are descriptive terms for the rubber tired road-going vehicles to distinguish them from rail mounted trains. The Tschu-Tschu train and Dotto train names stems from genericized trademarks of trackless train manufacturers,[1][2][3][4][5] although Deltrain and The Railroad Factory also are manufacturers. Parking lot tram is a common name in the US, reflecting its use in parking lot transport.

The lack of a widely accepted generic name for trackless trains often leads to them being called trams, people movers or road trains. Due to cultural terminology differences, trackless train, tram and parking lot tram usages occur in North America, while land train, road train, Tschu-Tschu train and Dotto train are used in Europe.

Technology

Van hauled trackless train at the Imperial War Museum Duxford, England

A trackless train usually consists of a tractor unit pulling a number of articulated trailers or carriages in the manner of a locomotive hauled railway train. The tractor unit can be powered by a internal combustion engine or an electric motor.

Carriages may seat between 6 and 40 persons, and can be roofed or not, featuring open or closed sides and various levels of interior comfort such as padded seats. If open, depending on climate they may feature plastic or fiberglass corrugated panels overhead, to divert rain and provide some measure of shade. Alternative designs may use a cloth awning overhead for similar purposes.

Carriages usually contain latchable doors or chains to act as safety measures to prevent exit while in motion. Carriages and tractor false bodies are constructed in either fiberglass or aluminum, and may feature levelling suspension.[6]

As in a regular road vehicles, the tractor unit is steered through the front wheels by a steering wheel operated by a human driver, and powered by its rear single or double axle. The following carriages are then steered through the drawbar couplings between the carriages. Simple trains with few carriages or short in overall length may feature single or double axle carriages with just front axle steering only. Larger or longer trains feature four wheel steering[6] by way of mechanical linkages. Four wheel steering ensures that longer trains need less side clearance while turning, as the carriages are able to maintain the same path, describing a constant radius of arc. This adds to the impression of the vehicle being on rails. The drawbar connections of more complex trains may feature a shock absorber to mitigate the effect of acceleration or braking.[7]

Public uses

Road train at Albufeira

Trackless trains are often used for the transport of tourists instead of other public transport modes. These may be seasonal services, linking attractions such as museums and zoos or other tourist destinations with central areas. Often, the train ride itself is a tourist attraction, offering sightseeing along scenic routes as well as a transport service. In the Swiss town of Gruyères, a trackless train is the only vehicle allowed in the pedestrianized streets.[8] A similar train is also used to move students between the train station and the faculties in the Outer Alcalá de Henares University Campus.[9]

Trackless trains are also used in shopping malls to entertain children while their parents are shopping. Trackless trains used for this purpose are commonly smaller and have less power. [10]

Private uses

Parking lot tram at Disneyland, California

Trackless trains are also often operated for the exclusive use of customers of resorts or amusement parks, both as internal transport systems entirely within their premises either from parking areas and between attractions, or as rides in themselves. A particularly heavy user of trackless trains has been the Walt Disney Parks and Resorts where they are used to move guests between the outlying parking lots and the park entrances. Universal, and other movie studio theme parks also use trackless trains on their studio backlot tours.

Appearance

"Kiddie train" for children, 16 secs video

While some trackless trains are functional or modern in appearance, many are often constructed with false bodywork and are painted to look like nineteenth century steam trains. Others may feature decorative or fun paint schemes to appeal to children. Certain models of trackless train may look the same as narrow gauge rail guided amusement park trains, due to the common manufacture of both vehicles. Some fifth wheel coupled trailer buses may also be similarly decorated.

Airport baggage trains

Mechanized baggage trains−trams, used at airport terminals, have steering mechanisms similar to those on longer trackless trains, although the tractor units are commonly designed to be frequently detached from the baggage carts, to be used for other purposes. Individual baggage carts are also quickly detachable for parking in loading−unloading areas. Airport baggage trains are often also much longer than the passenger type.

See also

References

  1. ^ "Dotto Trains - Company Information". Dotto Trains. Archived from the original on 2008-04-09. Retrieved 2008-04-23. 
  2. ^ Eastbourne's Dotto Train web page, accessed 17 September 2008
  3. ^ South West Trains website, information page for connections to Isle of Wight Zoo
  4. ^ Road Trains Tschu-Tschu - Company Information
  5. ^ West Cork Model Railway Village Tschu Tschu
  6. ^ a b Dotto trains technical specification page for a carriage
  7. ^ Deltrain website technology page
  8. ^ Petit train de Gruyères website
  9. ^ Alcalá University Service
  10. ^ TraclessTourTrain website

External links

  • Metro-Goldwyn-Mayer Trackless Train (1925—1926)
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