| 词条 | Mark 4 (Iarnród Éireann) |
| 释义 |
|name = Iarnród Éireann Mark 4 |image = IE DVT 1.JPG |imagesize = 256px |caption = Mark 4 DVT at Colbert Station, Limerick, 2006 |background = #FFA500 |family= Mark 4 |manufacturer= CAF |formation= 7-8-car trainsets |numberbuilt= 5 trainsets (in operation) 7 trainsets (total) |yearconstruction= 2004 - 2005 |service= 22 May 2006 - present |weight= 63 Tonnes (Per Car) |capacity= 422 seated (maximum 493) |height=3.85 m (12 ft 7.5 in) |width= 2.85 m (9 ft 4 in) |trainlength= 189.43 metres |maxspeed= {{convert|201|km/h|mi/h|abbr=on}} (Design) {{convert|160|km/h|mi/h|abbr=on}} (Operational) |gauge = {{RailGauge|1600mm}} Irish Gauge See Rail gauge in Ireland |brakes= |engine= Twin MAN 2846 LE 202 (320 kW) |transmission= |operator= InterCity }} The CAF Mark 4 (or MK4 or MKIV) are railway carriages operated by Iarnród Éireann in Ireland on the InterCity [1] service from Dublin to Cork. These carriages have no connection to the British Rail Mark 4. HistoryAlong with the occasional cravens stocked train, the Dublin to Cork express was operated only with outdated slam-door British Rail Mark 2s and Mark 3s. Since only a limited amount of Mark 3 DVTs were available most services required a Locomotive shunt at the end of each trip. This resulted in an infrequent service with most services bunched in the morning and evening rush hours. Iarnród Éireann opted to extend the service to an hourly clockface departure in order to increase growth on the line. Initially, to eliminate the Locomotive shunt, interest was expressed in a long range Diesel Multiple Unit however, since Iarnród Éireann had a large fleet of High-Speed Diesel Locomotives which were less than ten years old, a Push-Pull train was chosen instead. Funding was procured from the European Union the Transport21 plan and an invitation to tender was put forward in 2001 and four companies qualified. In November of 2002 the contract was awarded to Construcciones y Auxiliar de Ferrocarriles.[2] Description67 Mark 4 coaches were manufactured in 2004-2005[3] by CAF and delivered in 2006. The designs for the interior of the carriages and the exterior styling of the DVT were produced for CAF by Design Triangle.[4] Capable of 10-car operation, each in-service set currently comprises 8 cars:
Seating capacity is 422 (8-car set), the DVT (driving van trailer) is recognised as a carriage and the train is fully accessible to mobility-impaired customers. The DVT Features a Yellow front end to ensure visabilty and has a compartment towards the rear to carry Mail and Luggage. Main FeaturesThe Standard Class carriages have improved passenger seating and leg room. They also have electronic visual and audible passenger information systems, electronic seat reservation displays, CCTV, air conditioning and additional space for luggage. Power sockets are supplied on all Standard and Citygold Class coaches. Citygold cars have ergonomic, electronically adjustable seats, multi-channel ear phone jack sockets and individual overhead lighting.[5] Main features include:
Key dimensions:
Mark 4 DVT
PerformanceThough capable of 200 km/h (125 mph) operation, this higher speed would require both track & signal system upgrade and the provision of a faster locomotive than the currently used 201 class. A possibility being considered is the replacement of the existing 201 with two power cars, one of which would be converted from the existing Generator Control Car. Replacement stockSince January 2016, six sets operate the Dublin-Cork route on an enhanced hourly clockface timetable. The Mark 3 carriages, withdrawn in 2009, replaced the older (and tired looking) Mark 2 carriages that previously operated mid-day Limerick, Galway and Waterford routes. The Mark 3s were in turn superseded by a new batch of 183 22000 Class in 2009. The first batch of these was delivered in early March 2007, while the final deliveries took place in 2012. References1. ^http://www.irishrail.ie/about-us/intercity {{DEFAULTSORT:Mark 4 carriages of Iarnród Éireann]]}}2. ^{{Cite web|url=http://www.irrs.ie/Journal171/171%20Mk%20IV.htm|title=Mk. IV 170|website=www.irrs.ie|access-date=2019-02-14}} 3. ^http://www.irishrail.ie/about-us/intercity-1 4. ^http://articles.janes.com/articles/Janes-World-Railways/Design-Triangle-MANUFACTURERS-AND-SERVICES--CONSULTANCY-SERVICES-United-Kingdom.html 5. ^http://www.irishrail.ie/about-us/intercity 1 : Railway coaches of Ireland |
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