Hamburg U-Bahn Type DT2

Last updated
HHA-Baureihe DT2
Hamburg DT2 04.jpg
DT2E at Farmsen station, displaying an U4 line destination
In service1962–2015
Manufacturer Linke-Hofmann-Busch, Kiepe
Constructed1960 (prototype)
1962–1966
Entered service1962
Refurbished1984–1992
Scrapped1993, 2004–2006, 2016
Number built186 units
Number in serviceNone
Number preserved1 unit
Number scrapped182 units
Fleet numbersoriginally: 9100–9471
later: 601–791
Capacity258 (82 seated)
Operator(s) Hamburger Hochbahn AG
Depot(s)Farmsen
Specifications
Train length28.44 m (93 ft 4 in) [1]
Width2.51 m (8 ft 3 in) [1]
Height3.36 m (11 ft 0 in) [1]
Doors2 pairs per side (per car)
Maximum speed70 km/h (43 mph)
Weight35.6  t (35.0 long tons; 39.2 short tons) [1]
Power output320 kW (430 hp) [1]
Acceleration 0.8 m/s² [1]
Deceleration 1.25 m/s² (emergency) [2]
Electric system(s) 750 V DC third rail
Current collector(s) Contact shoe
UIC classification Bo'1+1 Bo'
Bo'2'Bo'
Braking system(s) Dynamic main brakes
Safety system(s) Sifa
Coupling system Scharfenberg
Track gauge 1,435 mm (4 ft 8+1⁄2 in)

The Type DT2 is a two-car electric multiple unit (EMU) train type operated by the Hamburger Hochbahn AG on the Hamburg U-Bahn until 2015. They replaced the Type T and Type TU. [3]

Contents

Technical specifications

The first trains had a Bo'1+1 Bo' axle layout, with later trains built to an articulated design, [3] formed as two-car sets. [4] Up to four sets can be coupled together to form a 114 m (374 ft 0 in) long train. The car body was constructed using lightweight steel, [4] based on a design licensed from the American Budd Company.[ citation needed ] They are equipped with Kiepe-build quill drives. [4]

Interior

Seating arrangement consists of seating bays in a 2+2 layout. [4]

History

A total of 186 sets were delivered in five batches between 1962 and 1966. [3] They were withdrawn after farewell runs through the entire network on November 28, 2015. [3]

Refurbishment

Some sets underwent refurbishment from 1985 to 1987, which included replacement of the old cab ends and addition of fire-resistant interior fittings. [4] A microprocessor-controlled wheel slide protection system was also retrofitted. [4] These rebuilt units were designated as DT2.5-E. As a result of the refurbishment the units could stay in service for another 20 years. [4]

Preserved examples

One unrefurbished unit, set 604, was taken out of service in 2002 is being preserved for a later use as a museum car. In 2013 it had to be partly cannibalized since it was the only option to get spare parts for the DT2E cars that were still in service then. Shortly before they were scrapped in 2016 all of these parts were taken from the DT2E again to allow a re-completion of set 604 as soon as its restoration begins.[ citation needed ]

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References

  1. 1 2 3 4 5 6 Schleife W.; et al. (1992). Metros der Welt[Metros of the world] (in German) (2nd ed.). Berlin: transpress Verlagsgesellschaft. p. 142. ISBN   3-344-70715-9.
  2. ↑ Goldsack, Paul, ed. (1981). Jane's World Railways 1981-82 (23rd ed.). Jane's Publishing Company Ltd. p. 435. ISBN   0 7106 0726 1.
  3. 1 2 3 4 Körschenhausen, Erik. "DT 2: Eine Ära ist in Hamburg zu Ende gegangen!" [DT 2: An era has just ended in Hamburg!]. Eisenbahn Kurier (in German). Archived from the original on March 25, 2020. Retrieved March 26, 2020.
  4. 1 2 3 4 5 6 7 Pabst, Martin (2006). S-Bahn- und U-Bahn-Fahrzeuge in Deutschland[S-Bahn and U-Bahn vehicles in Germany] (in German) (2nd ed.). GeraMond. pp. 56, 57. ISBN   3-7654-7366-9.
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