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Tatra K2

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Tatra K2
Tatra K2 in Brno
Interior
ManufacturerČKD Tatra
AssemblyCzechoslovakia Prague
Family nameTatra
Constructed1966 – 1983
Number built569
Capacity158
Specifications
Car length20,260 mm (66 ft 6 in)
Width2,500 mm (8 ft 2 in)
Height3,050 mm (10 ft 0 in)
Doors4
Maximum speed60 km/h (37 mph)
Weight21,900 kg (48,300 lb)
Engine typeTE 022
Traction motors4
Power output4×40 kW
Electric system(s)600 V DC
Current collector(s)pantograph
Wheels driven4
Bogies3
Coupling systemPrague-type coupling
Track gauge1,000 mm (3 ft 3+3⁄8 in), 1,435 mm (4 ft 8+1⁄2 in), 1,524 mm (5 ft)

The Tatra K2 was the first production articulated tramcar built by ČKD Tatra between 1966 and 1983, following the failure of the experimental prototypes K1 which never entered production. It was noted that the main problem with the K1 was with the new electrical equipment, and therefore the electrical equipment of the T3 (TR 37) was modified and incorporated into the new K2 (UA 12). The prototype entered service in 1966 as Prague tramcar number 7001, where it spent only a short spell, then it was exhibited at MSV 1966 in Brno (International Engineering Trade Fair) with the number 7000, before being transferred to Most, and then again moved to Brno (1968), where it at first had number 607 and later in the year 1969 it was changed to 1007. Production of the K2 on a mass scale started the same year, and many examples was operated in the year 2020, albeit most having been extensively modernised. The modernisation of the K2 fleet in Brno, the biggest customer of the type, included the complete re-modelling of the front end, and the upgrading of their electronic equipment. These modernised examples were labeled K2R, whereby the 'R' stands for czech word rekonstrukce (in translate 'reconstructed'). 2 cars were rebuilt into Pars Nova K3R-N (numbers 1751-1752). From this car was derived a type Tatra K5 in the year 1968.

Variations

K2SU

The K2SU was the version of the K2 which went on sale in Russia, also in 1966. Production of the type ended prematurely in 1970 as the vehicles were not well suited to the comparatively heavy traffic in Russian cities. Nevertheless, a total of 246 of the type entered service. The only K2SU to remain in active service was in Yekaterinburg where it was retained as an historic vehicle until 1998.

K2YU

Sarajevo was the only city in the former Yugoslavia to receive the K2, where it was labeled the K2YU. The only differences with the original K2 were in very minor details. One of the most noticeable differences were the corrugated sides and the pantograph, which was in the first series located at the rear of the tram, instead of the front (however it was eventually moved to the front in the 2000s for easier access). Other series already had a pantograph located at the front.

From undelivered shipment of twenty trams K2YU for Sarajevo in 1983, 15 trams ended up in Brno (numbers 1118–1132), 3 were shipped to Bratislava (numbers 7085–7087) and the last 2 to Ostrava (numbers 810–811).

Production

A total of 567 units entered service in the following cities:[1]

Country City Type Delivery years Number Fleet numbers
 Czechoslovakia Bratislava K2 1969 – 1977 86 309–394 [2]
K2YU 1983 3 7085–7087 [2]
Brno K2 1967 – 1983 120 601–607, 1008–1117 numbers 1024, 1046 and 1105 were occupied twice [3]
K2YU 1983 15 1118–1132 [4]
Ostrava K2 1966 – 1969 8 802–809 [5]
K2YU 1983 2 810–811 [5]
 Yugoslavia Sarajevo K2YU 1973 – 1983 90 201–290 [6]
 Soviet Union Kharkiv K2SU 1968 – 1969 40 1901–1940 [7]
Kuybyshev K2SU 1967 – 1969 30 1001–1030 [8]
Moscow K2SU 1967 – 1970 60 151–211 [9]
Novosibirsk K2SU 1967 – 1969 36 121–156 [10]
Rostov-on-Don K2SU 1968 5 1001–1005 [11]
Sverdlovsk K2SU 1967 – 1969 20 801–820 [12]
Tula K2SU 1969 – 1970 19 401–419 [13]
Ufa K2SU 1968 – 1969 35   [10]
Total: 569

References

  1. ^ "Tatra K2 production list". Strassenbahnen-Online. Retrieved 2007-12-10.
  2. ^ a b "Tatra - ČKD K2" (in Slovak). Imhd.zoznam.sk. Retrieved 2011-12-30.
  3. ^ "Evidence vozů DPMB, typ: K2". Bmhd.cz. Retrieved 2011-12-30.
  4. ^ "Evidence vozů DPMB, typ: K2YU" (in Czech). Bmhd.cz. Retrieved 2011-12-30.
  5. ^ a b "K2" (in Czech). Mhd-ostrava.cz. Retrieved 2017-12-26.
  6. ^ Jähne, Christoph. "K2YU" (in German). Tatrabahn.de. Retrieved 2011-12-30.
  7. ^ Butkowskij, Andriej; Rybka, Andriej. "Istorija wagona Tatra K2" (in Russian). Gortransport.kharkov.ua. Retrieved 2011-12-30.
  8. ^ "Tatra K2" (in Russian). Samaratrans.info. Retrieved 2011-12-30.
  9. ^ "Gława 15. Oswojenie moskowskich okrain" (in Russian). Tram.ruz.net. Retrieved 2011-12-30.
  10. ^ a b Jähne, Christoph. "K2SU" (in German). Tatrabahn.de. Retrieved 2011-12-30.
  11. ^ "Vehicles List, Rostov-na-Donu. Tatra K2". Transphoto.ru. Retrieved 2011-12-30.
  12. ^ Kuzniecow, Jewgienij. "Tatra K-2" (in Russian). E-tram.narod.ru. Retrieved 2011-12-30.
  13. ^ "Vehicles List, Tula. Tatra K2". Transphoto.ru. Retrieved 2011-12-30.
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