H-series (Toronto subway car)

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H-Series
TTC H1.jpg
An H1 at the Davisville Subway Yard
Manufacturer H1 – H5: Hawker Siddeley Canada
H6: UTDC
Constructed H1: 1965-1966
H2: 1971
H4: 1974-1975 [1]
H5: 1976-1979[1]
H6: 1986-1989[1]
Number built H1: 164
H2: 76
H4: 78
H5: 138
H6: 126
Number in service H4: 44[1]
H5: 136[1]
H6: 126[1]
Number scrapped H1: 164
H2: 76
H4: 32
H5" 2* [2]
* Car 5755 damaged in split switch incident and retired in 1984,
Car 5721 involved in Russell Hill incident and retired in 1995
Formation 6 car trains (3 sets of semi-permanently mated pairs)
Fleet numbers H1: 5336-5499
H2: 5500-5663
H4: 5576-5663
H5: 5670-5807
H6: 5810-5935
Operator Toronto Transit Commission
Depot(s) Wilson Subway Yard
Greenwood Subway Yard
Davisville Subway Yard
Line(s) served Yonge–University–Spadina Line
Bloor–Danforth Line
Specifications
Car body construction Stainless steel
Car length 23 m (75 ft 6 in)
Width 3.14 m (10 ft 4 in)
Height 3.65 m (12 ft 0 in)
Floor height 1.1 m (3 ft 7 in)
Doors 8 sets (4 sets per side) per car
Maximum speed 88 km/h (55 mph)
Weight H1: 41,010 kg (90,400 lb)
H2: 40,970 kg (90,300 lb)
H4: 41,630 kg (91,800 lb)
H5: 47,250 kg (104,200 lb)
H6: 48,040 kg (105,900 lb)
Power output H1: 121 hp (90 kW)
H2 – H4: 116 hp (87 kW)
H5: 126 hp (94 kW)
H6: 123 hp (92 kW)
Auxiliaries 120/208 V AC Battery Auxiliary
Electric system(s) 600 V DC
Current collection method Third rail
Gauge 1,495 mm (4 ft 10+78 in) 

The H-series (the H standing for Hawker the original manufacturer) rapid transit cars were a subway car model built from 1965 to 1990 for the Toronto Transit Commission (TTC) in Toronto, Ontario, Canada. From 1965 to 1975, the cars were built by the Hawker Siddeley Canada and later by its new owner the Urban Transportation Development Corporation. The cars were built at the Thunder Bay, Ontario plant. These cars would become the standard cars for the TTC.

Contents

[edit] History

Interior of an H4 Subway car. The H4's were the last H series to feature large padded bench seats
Interior of an H6 Subway car with individual vinyl seats.

Prior to the design of the M1, the TTC performed testing at St. Clair and Union stations with a 75' test vehicle known as the Duncan Dragon.[3] Built at the Duncan Shops by Len Bardsley and the D&D Equipment, the test car consisted of two trucks with three panels testing the height and width of a car and tunnel. A steel girder with railings allowed workers to walk and ride the car during tests. In total only 36 M-Series cars were built. As the subway expanded and more vehicles were necessary the TTC turned to Hawker-Siddley to build the next batch of subway cars. Based on the 75ft M1 the early H-Series cars improved on the design. Over the programme revisions were made to the designs and each production model in the H-Series improved on the last. The H4's were the first to use "chopper controls" (all previous TTC cars had separate acceleration and breaking controls). The H5's added regenerative breaking which was also incorporated into all future designs. The completion of the H6's met the needs of the TTC and no further H-Series orders were made. At around the same time UTDC was sold to Bombardier effectively ending the H-Series model. When the Commission went to purchase new vehicles they turned to Bombardier to create a new car – the T-Series – which would add new technology to a similar platform based on the predeceasing H-cars.

108 modified H6 cars were produced for the Ankara Metro in 1996–1997.

[edit] Retirement and future

On May 2009, the TTC found an undisclosed buyer for the H5 and H6 cars, which would be used on a potential transit system in another unnamed jurisdiction.[4] However, that potential buyer will not know until late 2009 whether it has the contract to construct and operate the new system. If the cars were sold to this potential buyer, the TTC could raise cash to offset the cost of the new subway cars that will begin delivery in late 2009.

[edit] Retired fleet

  • H1 - 5336-5499
  • H2 - 5506-5575
  • H3 - 5500-5505 (experimental/modified versions of the H2 that lead to development of the H4)

[edit] Current fleet

  • H4 - 5576-5663
  • H5 - 5670-5807
  • H6 - 5810-5935

[edit] References

  1. ^ a b c d e f Toronto Transit Commission (September 18, 2009). "TTC Service Summary". http://www3.ttc.ca/PDF/Transit_Planning/Service_Summary_2009_10_18.pdf. 
  2. ^ http://transit.toronto.on.ca/subway/5504.shtml
  3. ^ Coupler - March history - Remembering the fabled Duncan’s Dragon
  4. ^ New life awaits old subway cars

[edit] External links