Sentetsu Puresa-class locomotives

2-6-2 steam locomotive From Wikipedia, the free encyclopedia

The Puresa-class (プレサ) locomotives were a group of steam tank locomotives with 2-6-2 wheel arrangement of used by the Chosen Government Railway (Sentetsu) in Korea. The "Pure" name came from the American naming system for steam locomotives, under which locomotives with 2-6-2 wheel arrangement were called "Prairie".[1]

Power typeSteam
Power typeSteam
BuilderBorsig
Build date1912
Quick facts Chosen Government Railway Puresa class (プレサ)Korean National Railroad Pureo3 class (푸러3) Korean State Railway Purŏsŏ class (부러서), Type and origin ...
Chosen Government Railway Puresa class (プレサ)
Korean National Railroad Pureo3 class (푸러3)
Korean State Railway Purŏsŏ class (부러서)
Sentetsu プレ283 as built, later プレサ3
Type and origin
Power typeSteam
BuilderBorsig
Build date1912
Total produced14
Specifications
Configuration:
  Whyte2-6-2T
Gauge1,435 mm (4 ft 8+12 in)
Driver dia.1,370 mm (54 in)
Length10,338 mm (33 ft 11.0 in)
Width3,000 mm (9 ft 10 in)
Height3,880 mm (12 ft 9 in)
Adhesive weight37.00 t (36.42 long tons)
Loco weight52.00 t (51.18 long tons)
Fuel capacity1.25 t (1.23 long tons)
Water cap.5,900 L (1,600 US gal)
Firebox:
  Grate area1.69 m2 (18.2 sq ft)
Boiler:
  Small tubes177 x 51 mm (2.0 in)
Boiler pressure11.5 kgf/cm2 (164 psi)
Heating surface:
  Firebox9.50 m2 (102.3 sq ft)
  Tubes89.60 m2 (964.4 sq ft)
  Total surface99.10 m2 (1,066.7 sq ft)
Cylinders1
Cylinder size410 mm × 610 mm (16 in × 24 in)
Valve gearWalschaerts
Performance figures
Maximum speed75 km/h (47 mph)
Tractive effort72.1 kN (16,200 lbf)
Career
OperatorsChosen Government Railway
Korean National Railroad
Korean State Railway
ClassSentetsu: プレサ
KNR: 푸러3
KSR: 부러서
Number in classSentetsu: 14
NumbersSentetsu: プレサ1–プレサ14
Delivered1912
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In all, Sentetsu owned 227 locomotives of all Pure classes, whilst privately owned railways owned another 52; of these 279 locomotives, 169 went to the Korean National Railroad in South Korea and 110 to the Korean State Railway in North Korea.[2]

Description

The Puresa class was a group of 14 locomotives built in 1912 by the Borsig works of Germany.[citation needed] The fourteen were delivered in 1912.[3] They were larger than the preceding Purei- and Pureni-classes, with greater coal and water capacity, and were the first locomotives in Korea with Walschaerts valve gear. Like the previous types, they were delivered in knockdown form, and assembled at Sentetsu's shops in Busan.[4]

Postwar

After the liberation and partition of Korea, they were divided between North and South, but the specifics of which engine went where are unclear; those going to the Korean National Railroad in the South would be designated 푸러3 (Pureo3) class, those with the Korean State Railway in the North would be designated 부러서 (Purŏsŏ) class.

Construction

More information Postwar, 1911–1938 ...
Sentetsu running numberPostwar
1911–19381938–1945OwnerNumberBuilderYearNotes
プレ281プレサ1??Borsig1912
プレ282プレサ2??Borsig1912
プレ283プレサ3??Borsig1912
プレ284プレサ4??Borsig1912
プレ285プレサ5??Borsig1912
プレ286プレサ6??Borsig1912
プレ287プレサ7??Borsig1912
プレ288プレサ8??Borsig1912
プレ289プレサ9??Borsig1912
プレ290プレサ10??Borsig1912
プレ291プレサ11??Borsig1912
プレ292プレサ12??Borsig1912
プレ293プレサ13??Borsig1912
プレ294プレサ14??Borsig1912
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References

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