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Encyclopedia > Monorail
The KL Monorail in Kuala Lumpur, a colorful straddle-beam monorail
The KL Monorail in Kuala Lumpur, a colorful straddle-beam monorail

A monorail is a single rail serving as a track for a wheeled vehicle; also, a vehicle traveling on such a track. Image File history File linksMetadata Download high resolution version (1600x1200, 489 KB) Summary A KL Monorail Train running on an elevated viaduct in the heart of Kuala Lumpur Img by Calvin Teo Jan06 Licensing File links The following pages link to this file: Monorail Kuala Lumpur Monorail Portal:Trains/Did... Image File history File linksMetadata Download high resolution version (1600x1200, 489 KB) Summary A KL Monorail Train running on an elevated viaduct in the heart of Kuala Lumpur Img by Calvin Teo Jan06 Licensing File links The following pages link to this file: Monorail Kuala Lumpur Monorail Portal:Trains/Did... The Kuala Lumpur monorail system in Malaysia opened August 31, 2003, and serves 11 stations running 8. ... Nickname: Motto: Maju dan makmur (English: Progress and Prosper) Location in Malaysia Coordinates: , Country State Establishment 1857 Granted city status 1974 Government  - Mayor (Datuk Bandar) Datuk Abdul Hakim Borhan From 14 December 2006 Area  - City 243. ...

Contents

History

Gyroscopically balanced monorail (1907) by Brennan and Scherl
Gyroscopically balanced monorail (1907) by Brennan and Scherl
Main article: Monorail history

Attempts at creating unconventional railways have been made since the latter part of the 19th century. Usually these have been claimed to be more efficient, faster or cheaper to construct than conventional railways. Image File history File links Einschienerp. ... Image File history File links Einschienerp. ... This article or section needs to be wikified. ... // Introduction Unlike the well-known duo-rail system, there are many rail-guided transport options which have been described as monorails, so that tracing the history presents a demarcation problem regarding what should be included and what should be omitted. ... Alternative meaning: Nineteenth Century (periodical) (18th century — 19th century — 20th century — more centuries) As a means of recording the passage of time, the 19th century was that century which lasted from 1801-1900 in the sense of the Gregorian calendar. ...


Several attempts have been made to create a system in which a double-flanged steel wheel operates on a single rail similar to the railroad type of rail. The suspended Wuppertal monorail (1901) described below is the only surviving monorail of this type. Gyro monorails, which are gyroscopically balanced on a single rail, have been tested but never developed beyond the prototype stage. Schwebebahn over the river Wupper The Schwebebahn Wuppertal is a suspension railway in Wuppertal, Germany. ... This article or section needs to be wikified. ...


Monorails have both benefited and suffered from their novelty and concept of modernity. When The Walt Disney Company placed a monorail in their Disneyland theme park in 1959, it exposed large numbers of visitors to the transportation form in a credible though miniature transit setting. At the same time, however, the Disneyland monorail and others built at other Disney properties and amusement locations have tended to identify monorails with amusements rather than practical transportation. [citation needed] Modernity is a term used to describe the condition of being modern. Since the term modern is used to describe a wide range of periods, modernity must be understood in its context. ... “Disney” redirects here. ... The Disneyland Monorail System is an attraction and transportation system at the Disneyland Resort in Anaheim, California. ...


The popular press in the U.S. in the mid 20th century often featured monorail ideas in a "transportation of the future" context, along with images of personal "rocket backpacks" and popular space travel, creating interest but also confusion as to which ideas were fads and which might become reality. Space exploration is the physical exploration of outer-Earth objects and generally anything that involves the technologies, science, and politics regarding space endeavors. ...


According to Rod Diridon, director of the Mineta Transportation Institute, the real reason monorails in the United States came to be typecast with theme parks and never took flight was because "it got caught in what all mass transportation got caught in the '50s and '60s -- the love affair with the automobile." [1] The Mineta Transportation Institute is a research institute focusing on issues related to inter-modal surface transportation in the United States. ... “Car” and “Cars” redirect here. ...


Types and technical aspects

The Schwebebahn Wuppertal, the world's first suspended monorail
The Schwebebahn Wuppertal, the world's first suspended monorail

Modern monorails depend on a large solid beam as the vehicles' running surface. There are a number of competing designs divided into two broad classes, straddle-beam and suspended monorails. Download high resolution version (700x626, 115 KB) Wikipedia does not have an article with this exact name. ... Download high resolution version (700x626, 115 KB) Wikipedia does not have an article with this exact name. ... Schwebebahn over the river Wupper The Schwebebahn Wuppertal is a suspension railway in Wuppertal, Germany. ...


The most common type of monorail in use today is the straddle-beam monorail, in which the train straddles a reinforced concrete beam in the range of two to three feet (~0.6-0.9 m) wide. A rubber-tired carriage contacts the beam on the top and both sides for traction and to stabilize the vehicle. The straddle-beam style was popularized by the German company ALWEG. Reinforced concrete at Sainte Jeanne dArc Church (Nice, France): architect Jacques Dror, 1926–1933 Reinforced concrete, also called ferroconcrete in some countries, is concrete in which reinforcement bars (rebars) or fibers have been incorporated to strengthen a material that would otherwise be brittle. ... This does not cite any references or sources. ... Firestone tire This article is about pneumatic tires. ... ALWEG was a transportation company known for pioneering straddle-beam monorails. ...


There is also a form of suspended monorail developed by the French company SAFEGE in which the train cars are suspended beneath the wheel carriage. In this design the carriage wheels ride inside the single beam. The Chiba Urban Monorail is presently the world's largest suspended monorail network. SAFEGE is an acronym for the French consortium Société Anonyme Française d Etude de Gestion et d Entreprises (en: ) and is pronounced SAY-fij in English. ... The Chiba Urban Monorail (千葉都市モノレール Chiba toshi monoreru) is a third-sector transportation system operating two lines. ...


Power

Almost all modern monorails are powered by electric motors fed by dual third rails, contact wires or electrified channels attached to or enclosed in their guidance beams. There is a startup called Metrail that has built a hybrid prototype using diesel power to generate electricity for the motors. For other kinds of motors, see motor. ... Third rail at the West Falls Church Metro stop in Washington, D.C., electrified to 750 volts. ...


Magnetic levitation

Transrapid maglev on monorail track
Transrapid maglev on monorail track

Magnetic levitation train (maglev) systems by the German Transrapid were built as straddle-type monorails, as they are highly stable and allow rapid deceleration from great speed. When in full-speed operation maglev trains hover over the track and are thus not in physical contact with it. It is the fastest monorail, running at up to 311 mph (501 km/h). Download high resolution version (833x526, 54 KB)A Transrapid train in Germany Copyright: Picture taken from the German Wikipedia, see de:Bild:Transrapid. ... Download high resolution version (833x526, 54 KB)A Transrapid train in Germany Copyright: Picture taken from the German Wikipedia, see de:Bild:Transrapid. ... Transrapid at the Emsland test facility Transrapid is a German monorail system using magnetic levitation. ... Transrapid Shanghai Maglev Train stopping at terminus Longyang Road station Transrapid Shanghai Maglev Train Inside the Shanghai Transrapid maglev Inside the Shanghai Transrapid maglev VIP section Magnetic levitation transport, or maglev, is a form of transportation that suspends, guides and propels vehicles (especially trains) using electromagnetic force. ... Transrapid at the Emsland test facility Transrapid is a German monorail system using magnetic levitation. ...


In addition, Linimo was inaugurated in Japan in 2003. Linimo train approaching Banpaku Kinen Koen, towards Fujigaoka Station Linimo ), formally the Aichi High-Speed Transit Tobu Kyuryo Line ) is a magnetic levitation train line in Aichi, Japan, near the city of Nagoya. ...


UniModal has patented the SkyTran "pod monorail" which would use an Inductrack passive maglev monorail track for personal rapid transit. The system remains in the conceptual stage. UniModal or SkyTran is a proposal by Douglas Malewicki for a 160km/h (100mph) personal rapid transit system. ... For the use of unimodal in mathematics and statistics, see Unimodal function Unimodal or SkyTran is a proposal by Douglas Malewicki for a 160km/h (100mph) personal rapid transit system. ... Inductrack is a completely passive, fail-safe magnetic levitation system, using only unpowered loops of wire in the track and permanent magnets (arranged into Halbach arrays) on the vehicle to achieve magnetic levitation. ... Maglev can refer to General Magnetic levitation Magnetic levitation trains This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Personal rapid transit (PRT), also called personal automated transport (PAT) is a public transportation concept that offers automated on-demand non-stop transportation, on a network of specially-built guideways. ...


Switching

Some early monorail systems--notably the suspended monorail of Wuppertal (Germany), dating from 1901 and still in operation--have a design that makes it difficult to switch from one line to another. Some other monorail systems avoid switching as much as possible, by operating in a continuous loop or between two fixed stations, as in Seattle, Washington. Wuppertal university Wuppertal is a city in North Rhine-Westphalia, Germany. ... “Seattle” redirects here. ...

Sydney's monorail avoids switching by operating in a single loop.
Sydney's monorail avoids switching by operating in a single loop.

Current operating monorails are capable of more efficient switching than in the past. In the case of suspended monorails, switching may be accomplished by moving flanges inside the beamway to shift trains to one line or another. Image File history File linksMetadata Download high-resolution version (3072x2304, 3235 KB) Monorail, Pitt Street, Sydney, Australia. ... Image File history File linksMetadata Download high-resolution version (3072x2304, 3235 KB) Monorail, Pitt Street, Sydney, Australia. ...


Straddle-beam monorails require that the beam structure itself be moved to accomplish switching, which originally was an almost prohibitively ponderous procedure. Now, however, the most common way of achieving this is to place a moving apparatus on top of a sturdy platform capable of bearing the weight of vehicles, beams and its own mechanism. Multiple-segmented beams move into place on rollers to smoothly align one beam with another to send the train in its desired direction, with the design originally developed by ALWEG capable of completing a switch in 12 seconds.[1] Some of these beam turnouts are quite elaborate, capable of switching between several beams or even simulating a railroad double-crossover. This is the top-level page of WikiProject trains Rail tracks Rail transport refers to the land transport of passengers and goods along railways or railroads. ... A crossover is a pair of switches that connects two parallel rail tracks, allowing a train on one track to cross over to the other. ...


In cases where it must be possible to move a monorail train from one beam to any of a number of other beams, as in storage or repair shops, a traveling beam not unlike a railroad transfer table may be employed. A single beam, at least long enough to carry a single monorail vehicle, is aligned at an entry beam to be mounted by the monorail cars. The entire beam then rolls with the vehicle to align with the desired storage beam. A steam locomotive rides the transfer table between buildings in Santa Fes San Bernardino, California, shops in March 1943. ...


Systems similar in appearance

The term 'monorail' is often applied by members of the public to any modern elevated railway, particularly automated ones such as the Docklands Light Railway, Vancouver SkyTrain and the JFK AirTrain, but this usage is erroneous; these systems use the same twin rails and electric third rail as most underground metros and some main-line railways. London Transport Portal The Docklands Light Railway (DLR) is a light rail system serving the redeveloped Docklands area of East London, England. ... The platform at Metrotown Station in Burnaby is one of the busiest in the SkyTrain system. ... AirTrain JFK is a 13 km (8. ... Third rail at the West Falls Church Metro stop in Washington, D.C., electrified to 750 volts. ... “Mass Transit” redirects here. ...


Advantages and disadvantages

Old Soviet monorail in Ukraine (now abandoned)

Image File history File links Download high resolution version (989x395, 56 KB)Old Soviet monorail in Ukraine This image is a faithful digitalization of a unique historic photograph, and the copyright for it is most likely held by the photographer who took the photograph or the agency employing the photographer. ... Image File history File links Download high resolution version (989x395, 56 KB)Old Soviet monorail in Ukraine This image is a faithful digitalization of a unique historic photograph, and the copyright for it is most likely held by the photographer who took the photograph or the agency employing the photographer. ...

Advantages

  • The primary advantage of monorails over conventional rail systems is that they require minimal space, both horizontally and vertically. Monorail vehicles are wider than the beam, and monorail systems are commonly elevated, requiring only a minimal footprint for support pillars.
  • Due to a smaller footprint they are seen as more attractive than conventional elevated rail lines and block only a minimal amount of sky.
  • They are quieter, as modern monorails use rubber wheels on a concrete track (though some non-monorail subway systems, like certain lines of the Paris M├ętro and all of the Montreal metro, use the same technique and are equally quiet)
  • Monorails are capable of climbing and descending steeper grades than heavy or light rail systems.[citation needed]
  • Unlike conventional rail systems, straddle monorails wrap around their track and are thus not physically capable of derailing, unless the track itself suffers a catastrophic failure, which is why monorails have an excellent safety record.

For other uses, see Sky (disambiguation). ... “Métro” redirects here. ... One of the entrances to the Square-Victoria metro station looks like a Paris Métro station. ...

Disadvantages

  • Monorail vehicles are not compatible with any other type of rail infrastructure, which makes (for example) through services onto mainline tracks impossible.
  • Monorail lines cannot be built at grade.
  • In an emergency, passengers may not be able to immediately exit because the monorail vehicle is high above ground and not all systems have emergency walkways. The passengers must sometimes wait until a rescue train, fire engine or a cherry picker comes to the rescue. Newer monorail systems resolve this by building emergency walkways alongside the entire track, at the expense of visual intrusion. Suspended railways resolve this by building aircraft style evacuation slides into the vehicles. Japanese systems use the next train to tow broken down trains to the next station, but this has yet to occur.
  • Turnouts, especially high speed ones tend to be difficult. Traversers might be substituted.

A fire engine of the Greater Manchester Fire and Rescue Service, England. ... Image:Cherrypickers. ... A steam locomotive rides the transfer table between buildings in Santa Fes San Bernardino, California, shops in March 1943. ...

Monorail systems

Main article: List of monorail systems

Monorail systems have been built in many countries around the world, many of them on elevated tracks through crowded areas that would otherwise require the construction of expensive underground lines or have the disadvantages of surface lines. ...

References

  1. ^ The Switch Myth. Retrieved on 2007-01-15.

Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st Century. ... is the 15th day of the year in the Gregorian calendar. ...

See also

Wikimedia Commons has media related to:
Monorail

Image File history File links Commons-logo. ... This article or section needs to be wikified. ... Linimo train approaching Banpaku Kinen Koen, towards Fujigaoka Station Linimo ), formally the Aichi High-Speed Transit Tobu Kyuryo Line ) is a magnetic levitation train line in Aichi, Japan, near the city of Nagoya. ... A linear motor is essentially a multi-phase alternating current (AC) electric motor that has had its stator unrolled so that instead of producing a torque (rotation) it produces a linear force along its length. ... Louis Brennan (1852 – 1932) was an inventor. ... Marge vs. ... Simpsons redirects here. ... The Meigs Elevated Railway was an experimental steam-powered monorail invented by Joe V. Meigs of Lowell, Massachusetts, built in 1886 in East Cambridge, Massachusetts. ... Year 1886 (MDCCCLXXXVI) was a common year starting on Friday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 12-day slower Julian calendar). ... // Introduction Unlike the well-known duo-rail system, there are many rail-guided transport options which have been described as monorails, so that tracing the history presents a demarcation problem regarding what should be included and what should be omitted. ... Bangkok Skytrain. ... A people mover is a fully-automated light rail or tram system. ... Personal rapid transit (PRT), also called personal automated transport (PAT) is a public transportation concept that offers automated on-demand non-stop transportation, on a network of specially-built guideways. ... Slope car at Muya Bus Stop, Naruto, Tokushima. ... Screenshot of Transport Tycoon Transport Tycoon (TT) and Transport Tycoon Deluxe (TTD) are computer games in which the player is in control of a transport company, and can compete against rival companies to make as much profit as possible, by transporting passengers and various goods by road, rail, sea or... Transrapid at the Emsland test facility Transrapid is a German monorail system using magnetic levitation. ... This is the top-level page of WikiProject trains Rail tracks Rail transport refers to the land transport of passengers and goods along railways or railroads. ...

External links

Monorails in general

Transport engineering aims to ensure the safe and efficient movement of people and goods. ... Urban planning is concerned with the ordering and design of settlements, from the smallest towns to the worlds largest cities. ... The University of Washington, founded in 1861, is a public research university in Seattle, Washington. ...

Specific monorails

Monorail advocacy groups

  • Austin Monorail Project - a non-profit advocating monorail transit for Austin, TX
  • 2045 Seattle - a grassroots movement that supports the construction of rapid transit monorail in Seattle, WA
  • The Monorail Society - an all-volunteer organization founded to foster more awareness and promote this unique method of transportation

Organizations/views opposing monorails


  Results from FactBites:
 
Disney Transportation Information - Walt Disney World monorail (0 words)
The Walt Disney World monorail system has been in continuous operation since 1971 with double beam track that circles the Seven Seas Lagoon in front of the Magic Kingdom.
The current model of monorail began operation in 1990, with the full fleet of 12 in service by early 1991.
Each monorail travels on rubber tires and is powered by a 600 volt DC propulsion system which includes eight DC motors rated at 112 HP each, with the power emanating from each side of the beam.
Seattle Monorail (201 words)
The Seattle Center Monorail is the nation's first full-scale commercial monorail system.
It is a favorite part of the Seattle skyline and provides a fun, quick and convenient link from downtown Seattle to Seattle Center, home of the Space Needle, Pacific Science Center, the Experience Music Project, and a host of theatrical and cultural experiences.
The Seattle Center Monorail is not associated with the new Seattle Monorail Project.
  More results at FactBites »

 
 

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