W7 Series Shinkansen

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W7 series
E714-1.jpg
A similar JR East E7 series set in February 2014
In service 2014–
Manufacturer Hitachi, Kawasaki Heavy Industries, Kinki Sharyo
Replaced E2 series
Constructed 2014–
Number under construction 120 vehicles (10 sets)
Formation 12 cars per set
Capacity 934
Operator JR West
Depot(s) Hakusan
Line(s) served Hokuriku Shinkansen (from March 2015)
Specifications
Car body construction Aluminium alloy
Car length 26,000 mm (85 ft 4 in) (end cars)
25,000 mm (82 ft 0 in) (intermediate cars)
Width 3,380 mm (11 ft 1 in)
Doors 2 sliding doors per side
Maximum speed Design: 275 km/h (170 mph)
Service: 260 km/h (160 mph)
Weight approx. 540 t
Power output 12 MW
Acceleration 1.6 km/h/s
Electric system(s) 25 kV AC, 50/60 Hz
Current collection method Overhead catenary
Safety system(s) DS-ATC, RS-ATC
Track gauge 1,435 mm (4 ft 8 12 in)

The W7 series (W7系?) is a Japanese Shinkansen high-speed train type on order by West Japan Railway Company (JR West) for use on the Hokuriku Shinkansen when the line is extended from Nagano to Kanazawa in March 2015.[1]

Jointly developed alongside the JR East E7 series, a total of 10 12-car W7 series sets (120 vehicles) are on order.[2] The first W7 series train is scheduled to be delivered in April 2014.[3]

Design[edit]

Based on the earlier E2 series trains, the W7 series trains are designed with a "Japanese" theme inside and out, combining futuristic styling with traditional design elements overseen by industrial designer Ken Okuyama together with Kawasaki Heavy Industries.[4] Externally, the roof is finished in a "sky blue" colour, and the bodysides are "ivory white" with "copper" and "sky blue" lining.[5] Manufacture of the W7 series sets will be shared between Hitachi in Kudamatsu, Yamaguchi, Kawasaki Heavy Industries in Kobe, and Kinki Sharyo in Osaka.[6]

The trains have a maximum design speed of 275 km/h (170 mph),[7] but in service will operate at a maximum speed of 260 km/h (160 mph) on the Hokuriku Shinkansen, limited to 240 km/h (150 mph) on the Joetsu Shinkansen tracks between Omiya and Takasaki, and to 110 km/h (70 mph) on the Tohoku Shinkansen tracks between Tokyo and Omiya.[1] Increased power output enables the trains to maintain speeds of at least 210 km/h (130 mph) on the steep gradients of the Hokuriku Shinkansen.[2]

Car 12 (Gran Class) is equipped with full active suspension, and the other cars are equipped with semi-active suspension.[7]

Formations[edit]

The W7 series 12-car sets will be formed as shown below.[8]

Car No. 1 2 3 4 5 6 7 8 9 10 11 12
Designation Tc M2 M1 M2 M1 M2 M1 M2 M1 M2 M1s Tsc
Numbering W723-100 W726-100 W725-100 W726-200 W725-200 W726-300 W725-300 W726-400 W725-400 W726-500 W715-500 W714-500
Capacity 50 100 85 100 85 90 58 100 85 100 63 18
Facilities Toilets   Toilets, phone   Toilets   Wheelchair space, accessible toilet, phone   Toilets   Wheelchair space, accessible toilet Toilets

Cars 3 and 7 are each equipped with a single-arm pantograph.[8]

Interior[edit]

The 12-car trains have accommodation in three levels of service: Gran Class, Green car, and Standard cars, with a total seating capacity of 934.[1] Gran Class seating (car 12) is arranged 2+1 abreast with a seat pitch of 1,300 mm (51 in), Green car seating (car 11) is arranged 2+2 abreast with a seat pitch of 1,160 mm (46 in), and ordinary seating (cars 1 to 10) is arranged 3+2 abreast with a seat pitch of 1,040 mm (41 in).[7] AC power outlets are provided for each seat in all three classes.[7] The Gran class seats are supplied by Toyota Boshoku.[9] Car saloons and vestibule areas are equipped with security cameras.[5]

History[edit]

In January 2012, the head of JR West's Kanazawa Division revealed that new trains for the Hokuriku Shinkansen would be developed in conjunction with JR East, and that test running would need to be conducted during the winter season a year before the line opening to thoroughly test the ability of the trains to cope with snowy conditions.[10]

Details of the new trains were formally announced jointly by JR East and JR West on 4 September 2012.[5] The design of the logo to be applied to the sides of cars 1 and 12 was officially unveiled in February 2014.[11] Consisting of a number "7" in silver stylized as an arrowhead, the logo includes the lettering "West Japan Railway Company".[11]

Future developments[edit]

The first W7 series train is scheduled to be delivered to Hakusan Depot in April 2014.[3]

References[edit]

  1. ^ a b c "E7系・W7系新幹線電車" [E7/W7 series shinkansen EMU]. Japan Railfan Magazine (Japan: Koyusha Co., Ltd.) 52 (619): p.48–49. November 2012. 
  2. ^ a b Saito, Masatoshi (4 September 2012). "JR東:北陸新幹線の新型車両「E7系」概要発表" [JR East announces details of new E7 series for Hokuriku Shinkansen]. Mainichi jp (in Japanese). Japan: The Mainichi Newspapers. Retrieved 4 September 2012. 
  3. ^ a b "新幹線新車両「W7系」4月搬入" [W7 shinkansen to be delivered in April]. Yomiuri Online (in Japanese). Japan: The Yomiuri Shimbun. 21 February 2014. Archived from the original on 22 February 2014. Retrieved 15 March 2014. 
  4. ^ "北陸路走る 伝統と未来 新幹線デザイン決定" [Hokuriku Shinkansen design announced - tradition and future]. Chunichi Web (in Japanese). Japan: The Chunichi Shimbun. 5 September 2012. Retrieved 18 September 2012. 
  5. ^ a b c "北陸新幹線用の新型車両について" [New trains for Hokuriku Shinkansen] (pdf). Press release (in Japanese). Japan: JR East & JR West. 4 September 2012. Retrieved 4 September 2012. 
  6. ^ "総合車両製作所、北陸新幹線の車両生産工場増強-60両5編成受注" [J-TREC expands its rolling stock manufacturing facilities for Hokuriku Shinkansen trains, with order for 60 vehicles]. Nikkan Kogyo Shimbun Business Line (in Japanese). Japan: The Nikkan Kogyo Shimbun Ltd. 26 June 2013. Retrieved 3 July 2013. 
  7. ^ a b c d "E7系新幹線電車" [E7 series shinkansen EMU]. Japan Railfan Magazine (in Japanese) (Japan: Koyusha Co., Ltd.) 54 (634): p.9–13. February 2014. 
  8. ^ a b "E7系・W7系新幹線電車" [E7/W7 series shinkansen EMU]. Japan Railfan Magazine (in Japanese) (Japan: Koyusha Co., Ltd.) 54 (635): p.57–64. March 2014. 
  9. ^ "トヨタ紡織、鉄道車両用シートを初受注 ~ 北陸新幹線「グランクラス」に採用 ~" [Toyota Boshoku wins first order for train seats - to be used on Hokuriku Shinkansen "Gran Class"]. News Release (in Japanese). Japan: Toyota Boshuku Corporation. 16 April 2013. Retrieved 18 April 2013. 
  10. ^ "「大幅変更なし」 七尾線など、新幹線開業後も" ["No major changes" to Nanao Line and others even after shinkansen route opens]. Ishikawa News (in Japanese). Japan: The Hokkoku Shimbun. 28 January 2012. Archived from the original on 18 June 2013. Retrieved 4 September 2012. 
  11. ^ a b "北陸新幹線用新型車両シンボルマークデザイン決定" [Logo design finalized for new Hokuriku Shinkansen trains] (PDF). News release (in Japanese). Japan: East Japan Railway Company & West Japan Railway Company. 13 February 2014. Retrieved 13 February 2014. 

External links[edit]