Odakyu 9000 series

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Odakyu 9000 series
A 9000 series train in May 2004
In service1972–2006
ManufacturerTokyu Car, Kawasaki Heavy Industries
Constructed1972–1977
Scrapped2005–2006
Number built90 vehicles (18 sets)
Number in serviceNone
Number preserved1 vehicle
Formation4 / 6 cars per set
OperatorsOdakyu Electric Railway
Specifications
Width2,870 mm (9 ft 5 in)
Doors4 pairs per side
Maximum speed100 km/h (62 mph) (service)
120 km/h (75 mph) (design)
Traction systemMitsubishi resistor control with field chopper control (thyristor switching device[1])(electric camshaft); 11 steps in series, 8 steps in parallel, field weakening (chopper-controlled), 19 steps for dynamic braking and 11 steps for regenerative braking
Traction motorsMitsubishi DC compound motor[2]
Power output110 kW x4 per motored car
Electric system(s)1,500 V DC overhead lines
Current collector(s)Pantograph
BogiesFS085, FS385[3]
Braking system(s)Regenerative braking, dynamic braking
Multiple working2600 Series/4000 Series(1st generation)/5000 Series(1st generation)/8000 Series/1000 Series/3000 series
Track gauge1,067 mm (3 ft 6 in)

The Odakyu 9000 series (小田急9000形, Odakyū 9000-gata) was a commuter electric multiple unit (EMU) train type operated by the private railway operator Odakyu Electric Railway in Japan from 1972 until 2006.

Technical specifications[edit]

The trains were equipped with 110 kW motors and chopper control.[4]

Formations[edit]

The fleet consisted of nine four-car and nine six-car sets.[5] The sets were formed as follows.[6]

Four-car sets
Designation M1c M1 M2 M2c
Numbering 9000 9100 9200 9300
Six-car sets
Designation M1c M2 T1 T2 M1 M2c
Numbering 9400 9500 9550 9650 9600 9700

History[edit]

The trains entered service in 1972, and were the recipient of the 1973 Laurel Prize.[7] Chiyoda Line through services with 9000 series trains began on March 31, 1978.[6] The trains were withdrawn from service in March 2006.[5] A farewell run between Hadano and Karakida was operated on May 13, 2006.[6]

Preserved examples[edit]

  • Deha 9001: stored at the Kitami inspection facility[4]

Derivatives[edit]

Trains of a similar design operate on the Roca Line in Argentina.[citation needed]

References[edit]

  1. ^ "小田急車両のすべて" [All About ODAKYU's Electric Cars]. June 1, 1996.
  2. ^ 『鉄道ピクトリアル』通巻679号 p.231
  3. ^ "FS385 FS085 / 小田急電鉄9000形" [FS385 FS085 / Odakyu Electric Railway 9000 series]. rail.hobidas.com. Neko Publishing. May 15, 2006. Archived from the original on November 21, 2019. Retrieved November 28, 2019.
  4. ^ a b Ubukata, Yoshio; Kazuhide, Onuma (2014). 小田急通勤型電車のあゆみ [Odakyu commuter train history] (in Japanese). Jtb Publishing. pp. 64–68. ISBN 9784533100178.
  5. ^ a b "小田急9000形" [Odakyu 9000 series]. rail.hobidas.com. Neko Publishing. August 10, 2006. Archived from the original on November 21, 2019. Retrieved November 27, 2019.
  6. ^ a b c "小田急電鉄9000形ミニ・ディテールファイル その9" [Odakyu Electric Railway 9000 series mini detail file 9]. rail.hobidas.com. Neko Publishing. May 15, 2006. Archived from the original on November 21, 2019. Retrieved November 27, 2019.
  7. ^ Matsuo, Kazuto (April 7, 2013). "下北沢付近地下化記念! 9000形&5000形など1970年代懐かしの小田急線" [Commemoration of underground-ization near Shimokitazawa! Odakyu Line of 1970s nostalgia, such as 9000 series & 5000 series]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on November 21, 2019. Retrieved November 27, 2019.