Tokyo Monorail 10000 series

The Tokyo Monorail 10000 series (東京モノレール10000形, Tōkyō Monorēru 10000-gata) is a monorail electric multiple unit (EMU) train type operated by the Tokyo Monorail on the Tokyo Monorail Haneda Airport Line in Japan since July 2014.^[3]

Tokyo Monorail 10000 series
Set 10081 in May 2021
In service	July 18, 2014 – Present
Manufacturer	Hitachi Rail[1]
Built at	Yamaguchi
Family name	Hitachi Monorail
Replaced	1000 series
Constructed	2014–
Number built	42 vehicles (7 sets)
Number in service	42 vehicles (7 sets)
Formation	6 cars per trainset
Fleet numbers	10011–10071
Operators	Tokyo Monorail
Depots	Showajima
Lines served	Tokyo Monorail Haneda Airport Line
Specifications
Car body construction	Aluminium alloy
Car length	16.4 m (53 ft 10 in) (Tc) 15.2 m (49 ft 10 in) (M)
Width	3,038 mm (9 ft 11.6 in)
Height	4,364 mm (14 ft 3.8 in)
Doors	2 pairs per side
Maximum speed	80 km/h (50 mph)
Traction system	Hitachi VFI-HR4810B[2] 2-level IGBT–VVVF
Traction motors	16 × Hitachi HS37627-03RB[2] 100 kW (134 hp) asynchronous 3-phase AC
Power output	1.6 MW (2,146 hp)
Acceleration	3.5 km/(h⋅s) (2.2 mph/s)
Deceleration	4 km/(h⋅s) (2.5 mph/s) (service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency)
Electric system(s)	750 V DC
Current collection	Side contact
UIC classification	2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′
Safety system(s)	ATC
Track gauge	(straddle-beam monorail)

Design

The body design is based on the earlier 2000 series trains first built in 1997, and uses friction stir welded (FSW) aluminum alloy panels.^[4]

• 
  The interior of the driving cab

Formation

As of 1 April 2020^[update], the fleet consists of seven six-car sets, numbered 10011 to 10071, and formed as shown below, with four motored ("M") cars and two non-powered trailer ("T") cars.^[3] Car 1 is at the Hamamatsucho end.^[3][5]

Car No.	1	2	3	4	5	6
Designation	Tc1	M1	M2	M3	M4	Tc2
Numbering	100x1	100x2	100x3	100x4	100x5	100x6
Weight (t)	23.3	23.7	24.1	23.8	24.0	23.0
Capacity (seated/total)	33/76	40/76				33/76

• "x" stands for the set number.
• Cars 1 and 6 each have a wheelchair space.^[5]

Interior

Passenger accommodation consists of a mixture of facing 4-seat bays and longitudinal bench seating, and includes baggage racks next to the doorways.^[4] The seats are covered in a blue moquette incorporating the traditional Japanese seigaiha (青海波) pattern.^[4] LED lighting is used throughout.^[4] Passenger information is provided by 7-inch (178 mm) wide LCD displays above the doorways.^[4] Information is provided in four languages: Japanese, English, Chinese, and Korean. Initially one screen is provided above each doorway, but provision is made for installing a second screen in the future.^[4]

• 
  Longitudinal seating
• 
  Facing 4-seat bays
• 
  Seating over the train bogies

History

This vehicle was introduced to replace the aging 1000 series.

The first set, 10011, was delivered to Tokyo Monorail's Showajima Depot in March 2014.^[6] It entered revenue service on 18 July 2014.^[7]

• 
  The first set delivered, 10011, at Showajima Depot in March 2014

Structural damage

On 31 May 2022, structural cracks were discovered on seven 10000 series trainsets, causing a reduction in peak-hour service from every four minutes to every five minutes.^[8] The cracks were mainly found on an aluminum part which connects the body of the vehicle to the bogie.