User:Ponder7012/sandbox/81-71M
https://en.wikipedia.org/w/index.php?title=Draft:81-71M&action=submit
| 81-71M | |
|---|---|
 | |
 | |
| In service | 1996 – present |
| Manufacturer | Škoda Transportation, ČKD (Prague sets) |
| Order no. | 3101-3199, 3300-3399, 3500-3504 (Prague Metro) |
| Built at | Škoda works Plzeň |
| Family name | 81-... |
| Constructed | 1996 – 2011 |
| Entered service | 1996 |
| Number built | 81-71M:
81-717M: 180 81-714M: |
| Number in service | 81-717M: 180 81-714M: |
| Capacity |
|
| Operators |
|
| Depots | Zličín
Hostivař Nadzaladevi Gldani |
| Specifications | |
| Car length |
|
| Width | 2,712 millimetres (2.712 m) |
| Floor height | 3660mm |
| Maximum speed | 80 kilometres per hour (50 mph) |
| Current collector(s) | third rail, bottom contact |
| Coupling system | Scharfenberg coupler |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) (Prague) 1,520 mm (4 ft 11+27⁄32 in) (Baku) 1,524 mm (5 ft) (Tbilisi, Yerevan) |
81-71M is a refurbished version of Metrovagonmash 81-717/81-714 metro rolling stock. It is used on the Prague Metro. Similar modernizations (81-717M/81-714M) are used on the metro systems of Tbilisi, Yerevan and Baku.
A nearly identical set was delivered to Kyiv Metro as part of the Slavutich project, numbered 81-553.1 (12Mt), 81-554.1 (13Mt) and 81-555.1 (14Mt).
A train consists of five cars, two end carriages (2Mt), two trailer cars (3Mt), and one intermediate driving car (4Mt) in the middle.
Development[edit]
When it became clear in the 1990s that the old soviet metro trains of the series 81-717.1/714.1 and Ečs wouldn't need an overhaul but a full rebuild to further operate savely, Škoda Transportation developed a prototype of a fully modernised 81-71 train which was presented to the public and went into service in 1996. In the following years, nearly the full fleet of old 81-71 trains was refurbished, except a five-car set, which is preserved at Zličín (B) depot for special occasions, and one 81-717.1 carriage, which is stored in the MHD museum Stresovice.
Operation[edit]
Currently, there are 93 sets of 81-717M/714M operating in Prague metro, of which 41 are running on line A and 52 on line B[1][2].
81-717M/714M[edit]
Thought looking similar, there are technical differences between the 81-71M and the 81-717M/714M.
Tbilisi[edit]
In the mid-2000s, Tbilisi Metro started modernizing its Ezh3/Em508T and 81-717/714 type trains based on the 81-71M, also under usage of the same front part.
Baku[edit]
Yerevan[edit]
81-553.1/554.1/555.1 "Slavutich"[edit]
In cooperation with his Russian partner ZAO Wagonmash, Škoda Transportation produced a new underground train for Kyiv metro based on the 81-71 series, where Škoda Transportation took part in supplying traction and pneumatic equipment.[3] Škoda also produced the fiberglass front parts for the 12Mt end cars which were also used for the 81-71M trains.
Gallery[edit]
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81-717M/714M in Tbilisi -
81-717M/714M in Baku -
81-717M in Yerevan -
81-553 in Kyiv
References[edit]
External links[edit]
Media related to 81-717m/714m at Wikimedia Commons Media related to 81-71M_in_Prague at Wikimedia Commons Media related to 81-553.1/554.1/555.1 at Wikimedia Commons
Škoda Transportation website: 81-71M