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Red Flag 6-class locomotive

The Red Flag 6-class (Korean: 붉은기6 Pulg'ŭn'gi-6) is a 4,240 kW (5,690 hp)[2] two-section, permanently coupled electric locomotive built by the Kim Chong-t'ae Electric Locomotive Works and used by the Korean State Railway for heavy freight trains on mountainous lines.[3]

Red Flag 6
The first prototype of the Red Flag 6 class at its rollout in 1981.
Type and origin
Power typeElectric
BuilderKim Chong-t'ae Works
 North Korea
Build date1981-1987
Specifications
Configuration:
 • UICBo′Bo′+Bo′Bo′
Gauge1,435 mm (4 ft 8+12 in)
Wheel diameter1,370 mm (4 ft 6 in)
Wheelbase3,300 mm (10 ft 10 in)
Length32,600 mm (106 ft 11 in)
Width3,100 mm (10 ft 2 in)
Height4,700 mm (15 ft 5 in)
Loco weight176 t (388,000 lb)
Electric system/s3,000 V DC
Current pickup(s)Pantographs
Engine RPM:
 • Maximum RPM
745 rpm
Traction motors:
 • Rating 1 hour
1520 A
Gear ratio1:3.86
Loco brakehand, air, regenerative brake
CouplersAAR knuckle
Performance figures
Maximum speed120 km/h (75 mph)
one hour: 49 km/h
Power output:
 • 1 hour4,240 kW (5,690 hp)
Tractive effort:
 • 1 hour306 kN (69,000 lbf)
Career
Operators Korean State Railway
Class붉은기6 Pulg'ŭn'gi-6
Number in class≥37
Numbers6001-6037+
[1]

Description Edit

As the electrification of the Korean State Railway's network continued into the 1980s, the Red Flag 1 and Red Flag 2 class locomotives were the dominant type in service under the wires. However, with the electrification of steep mountain lines, it was realised that a more powerful locomotive was needed. Therefore, the Kim Chong-tae Electric Locomotive Works began design work on an articulated locomotive to operate freight trains on the difficult mountainous sections.[3]

Using the Red Flag 2 class as a starting point, the Red Flag 6 (붉은기6, Pulg'ŭn'gi-6) class was developed.[3] The result was a permanently coupled Bo'Bo'+Bo'Bo' articulated locomotive with eight capacitors,[4] made up of two sections; these sections are single-cab versions of the Red Flag 2. The Red Flag 6 class is thus an articulated descendant of the Škoda Type 30E, which had formed the basis for the design of the Red Flag 1 and Red Flag 2 after North Korea bought a licence to build the type, including technology transfer, from Czechoslovakia.[3] The first prototype was shown in 1981.[5]

Numbered in the 6000 series, production of the new design began in 1986, and was put into service in 1987 to haul freight trains on the P'yŏngra Line.[6] These four-bogie, eight-axle articulated units are 33 metres (108 ft 3 in) long, weigh 176 tonnes (388,000 lb) and produce 4,240 kilowatts (5,690 hp). They have a maximum speed of 100 kilometres per hour (62 mph) and can pull 3,200 tonnes (7,100,000 lb).[7] Trial runs with passenger trains were undertaken, but the type is now mainly used on east-west freight trains on the P'yŏngra Line.[3] The first prototype received a cream over red paint scheme, but production units are painted in the standard light blue over dark green livery.

Named locomotives Edit

There are three known named Red Flag 6 locomotives:

  • Light (광명호, Kwangmyong-ho) - one locomotive, painted in cream over blue with a white stripe, named personally by Kim Jong Il, symbolising the bright future of students and youth,[8]
  • Thousand-ri of liberation No.1 (광복의천리길1호, Kwangbokuicholligil1-ho) - one known locomotive,[9]
  • Thousand-ri of liberation No.2 (광복의천리길2호, Kwangbokuicholligil2-ho) - one known locomotive, painted in light green over dark green.[10]

References Edit

  1. ^ Foreign Trade of the DPRK. Foreign Languages Publishing House (North Korea). 1992. p. 15.
  2. ^ "分页 第1页 :【原创】朝鲜铁路机车车辆概况一览 - 西西河".
  3. ^ a b c d e Kokubu, Hayato, 将軍様の鉄道 (Shōgun-sama no Tetsudō), ISBN 978-4-10-303731-6
  4. ^ "통일무지개 뉴스 - 중앙일보". Nk.joins.com. 2020-04-23. Retrieved 2020-05-09.
  5. ^ "デロイを探せ!(その34) 1965年以降の朝鮮画報にデロイ発見出来ず 前篇 | ゴンブロ!(ゴンの徒然日記)". Ameblo.jp. Retrieved 2020-05-09.
  6. ^ "デロイを探せ!(その20) 北朝鮮のデロイ資料1 | ゴンブロ!(ゴンの徒然日記)". Ameblo.jp. Retrieved 2020-05-09.
  7. ^ "【原创】朝鲜铁路机车车辆概况一览(续) - 西西河".
  8. ^ "Our Hearts Rush to the Venue of the Festival". Korea Today. Foreign Languages Publishing House. 1989 (1).
  9. ^ "로동신문". rodong.rep.kp. Retrieved 2021-10-04.
  10. ^ 북한 혜산쪽으로 지나가는 광복의 천리길 2호 기차라는건데..It's called the second train of Cheonri-gil, Liberation of Korea. 2021-01-10.

flag, class, locomotive, this, article, uses, bare, urls, which, uninformative, vulnerable, link, please, consider, converting, them, full, citations, ensure, article, remains, verifiable, maintains, consistent, citation, style, several, templates, tools, avai. This article uses bare URLs which are uninformative and vulnerable to link rot Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style Several templates and tools are available to assist in formatting such as reFill documentation and Citation bot documentation August 2022 Learn how and when to remove this template message The Red Flag 6 class Korean 붉은기6 Pulg ŭn gi 6 is a 4 240 kW 5 690 hp 2 two section permanently coupled electric locomotive built by the Kim Chong t ae Electric Locomotive Works and used by the Korean State Railway for heavy freight trains on mountainous lines 3 Red Flag 6The first prototype of the Red Flag 6 class at its rollout in 1981 Type and originPower typeElectricBuilderKim Chong t ae Works North KoreaBuild date1981 1987SpecificationsConfiguration UICBo Bo Bo Bo Gauge1 435 mm 4 ft 8 1 2 in Wheel diameter1 370 mm 4 ft 6 in Wheelbase3 300 mm 10 ft 10 in Length32 600 mm 106 ft 11 in Width3 100 mm 10 ft 2 in Height4 700 mm 15 ft 5 in Loco weight176 t 388 000 lb Electric system s3 000 V DCCurrent pickup s PantographsEngine RPM Maximum RPM745 rpmTraction motors Rating 1 hour1520 AGear ratio1 3 86Loco brakehand air regenerative brakeCouplersAAR knucklePerformance figuresMaximum speed120 km h 75 mph one hour 49 km hPower output 1 hour4 240 kW 5 690 hp Tractive effort 1 hour306 kN 69 000 lbf CareerOperatorsKorean State RailwayClass붉은기6 Pulg ŭn gi 6Number in class 37Numbers6001 6037 1 Description EditAs the electrification of the Korean State Railway s network continued into the 1980s the Red Flag 1 and Red Flag 2 class locomotives were the dominant type in service under the wires However with the electrification of steep mountain lines it was realised that a more powerful locomotive was needed Therefore the Kim Chong tae Electric Locomotive Works began design work on an articulated locomotive to operate freight trains on the difficult mountainous sections 3 Using the Red Flag 2 class as a starting point the Red Flag 6 붉은기6 Pulg ŭn gi 6 class was developed 3 The result was a permanently coupled Bo Bo Bo Bo articulated locomotive with eight capacitors 4 made up of two sections these sections are single cab versions of the Red Flag 2 The Red Flag 6 class is thus an articulated descendant of the Skoda Type 30E which had formed the basis for the design of the Red Flag 1 and Red Flag 2 after North Korea bought a licence to build the type including technology transfer from Czechoslovakia 3 The first prototype was shown in 1981 5 Numbered in the 6000 series production of the new design began in 1986 and was put into service in 1987 to haul freight trains on the P yŏngra Line 6 These four bogie eight axle articulated units are 33 metres 108 ft 3 in long weigh 176 tonnes 388 000 lb and produce 4 240 kilowatts 5 690 hp They have a maximum speed of 100 kilometres per hour 62 mph and can pull 3 200 tonnes 7 100 000 lb 7 Trial runs with passenger trains were undertaken but the type is now mainly used on east west freight trains on the P yŏngra Line 3 The first prototype received a cream over red paint scheme but production units are painted in the standard light blue over dark green livery Named locomotives EditThere are three known named Red Flag 6 locomotives Light 광명호 Kwangmyong ho one locomotive painted in cream over blue with a white stripe named personally by Kim Jong Il symbolising the bright future of students and youth 8 Thousand ri of liberation No 1 광복의천리길1호 Kwangbokuicholligil1 ho one known locomotive 9 Thousand ri of liberation No 2 광복의천리길2호 Kwangbokuicholligil2 ho one known locomotive painted in light green over dark green 10 References Edit Foreign Trade of the DPRK Foreign Languages Publishing House North Korea 1992 p 15 分页 第1页 原创 朝鲜铁路机车车辆概况一览 西西河 a b c d e Kokubu Hayato 将軍様の鉄道 Shōgun sama no Tetsudō ISBN 978 4 10 303731 6 통일무지개 뉴스 중앙일보 Nk joins com 2020 04 23 Retrieved 2020 05 09 デロイを探せ その34 1965年以降の朝鮮画報にデロイ発見出来ず 前篇 ゴンブロ ゴンの徒然日記 Ameblo jp Retrieved 2020 05 09 デロイを探せ その20 北朝鮮のデロイ資料1 ゴンブロ ゴンの徒然日記 Ameblo jp Retrieved 2020 05 09 原创 朝鲜铁路机车车辆概况一览 续 西西河 Our Hearts Rush to the Venue of the Festival Korea Today Foreign Languages Publishing House 1989 1 로동신문 rodong rep kp Retrieved 2021 10 04 북한 혜산쪽으로 지나가는 광복의 천리길 2호 기차라는건데 It s called the second train of Cheonri gil Liberation of Korea 2021 01 10 Retrieved from https en wikipedia org w index php title Red Flag 6 class locomotive amp oldid 1178201263, wikipedia, wiki, book, books, library,

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