Sentetsu Pashini-class locomotive

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Power typeSteam
Power typeSteam
BuilderALCo
Build date1923
Chosen Government Railway Pashini class (パシニ)
Korean State Railway Pasidu class (바시두)
Type and origin
Power typeSteam
BuilderALCo
Build date1923
Total produced6
Specifications
Configuration:
  Whyte4-6-2
Gauge1,435 mm (4 ft 8+12 in)
Driver dia.1,750 mm (69 in)
Length22,060 mm (869 in)
Width3,054 mm (10 ft 0.2 in)
Height4,228 mm (13 ft 10.5 in)
Loco weight90.40 t (88.97 long tons)
Tender weight57.50 t (56.59 long tons)
Fuel capacity9.4 t (9.3 long tons)
Water cap.22,700 L (6,000 US gal)
Firebox:
  Grate area4.36 m2 (46.9 sq ft)
Boiler:
  Small tubes168 x 51 mm (2.0 in)
  Large tubes26 x 137 mm (5.4 in)
Boiler pressure13.0 kgf/cm2 (185 psi)
Heating surface:
  Firebox17.00 m2 (183.0 sq ft)
  Tubes208.90 m2 (2,248.6 sq ft)
  Total surface225.90 m2 (2,431.6 sq ft)
Superheater:
  Heating area61.20 m2 (658.8 sq ft)
Cylinders1
Cylinder size610 mm × 660 mm
(24 in × 26 in)
Valve gearWalschaerts
Performance figures
Maximum speed95 km/h (59 mph)
Tractive effort140.0 kN (31,500 lbf)
Career
OperatorsChosen Government Railway
Korean State Railway
ClassSentetsu: パシニ
KSR: 바시두
Number in classSentetsu: 6
KSR: 6
NumbersSentetsu: パシニ1–パシニ6
KSR: 바시두1–바시두6
Delivered1923

The Pashini class (パシニ) locomotives were a group of steam tender locomotives of the Chosen Government Railway (Sentetsu) with 4-6-2 wheel arrangement. The "Pashi" name came from the American naming system for steam locomotives, under which locomotives with 4-6-2 wheel arrangement were called "Pacific".[citation needed]

In all, Sentetsu owned 144 locomotives of all Pashi classes, of which 141 survived the war; of these, 73 went to the Korean National Railroad in South Korea and 68 to the Korean State Railway in North Korea.[1]

Following the success of the Pashii class, Sentetsu took delivery of six locomotives from ALCo of the United States in 1923. they were originally numbered パシ913–パシ918, but after six Japanese-built copies of the Pashii class were delivered later in the same year, in 1924 the ALCo engines were renumbered パシ919–パシ924 in order to free 913–918 up for the new Pashii units.[2] When Sentetsu introduced its new numbering system in 1938, these engines were redesignated パシニ (Pashini) class and numbered パシニ1 through パシニ6.

These engines represented a milestone in Korean railway history, having been the very last class of locomotives imported by Sentetsu from outside the Japanese Empire.[3]

Postwar: Korean State Railway 바시두 (Pasidu) class

Construction

References

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