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Nord 5.1201 to 5.1230

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Nord 5.1201 – 5.1230
SNCF 2-150.B
Type and origin
Power typeSteam
DesignerMarc de Caso
Builder
  • Nord – La Chapelle
  • Nord – Hellemmes
Build date1933–1935
Total produced30
Specifications
Configuration:
 • Whyte2-10-0
 • UIC1′E h4v
Driver dia.1,550 mm (5 ft 1 in)
Loco weight104.32 tonnes (102.67 long tons; 114.99 short tons)
Tender weight76.90 tonnes (75.69 long tons; 84.77 short tons)
Fuel capacity9,000 kg (20,000 lb)
Water cap.37,000 litres (8,100 imp gal; 9,800 US gal)
Firebox:
 • TypeBelpaire
 • Grate area3.50 m2 (37.7 sq ft)
Boiler pressure18 kg/cm2 (1.77 MPa; 256 psi)
Heating surface193 m2 (2,080 sq ft)
Superheater:
 • Heating area63.8 m2 (687 sq ft)
Cylinders
  • Four, compound:
  • High pressure outside,
  • Low pressure inside
High-pressure cylinder490 mm × 640 mm (19+516 in × 25+316 in)
Low-pressure cylinder680 mm × 700 mm (26+34 in × 27+916 in)
Performance figures
Power output2,360 hp (1,760 kW)
Career
Operators
Class
  • Nord: 5.1200
  • SNCF: 2-150.B
Numbers
  • Nord: 5-1201 – 5.1230
  • SNCF: 2-150.B.1 – 2-150.B.30
LocaleNorthern France
DispositionAll scrapped

Nord 5.1201 to 5.1230 were a class of 2-10-0 “Decapod” steam locomotives of the Chemins de Fer du Nord, designed to handle heavy coal trains. On 1 January 1938, they all passed to the SNCF, who numbered them 2-150.B.1 to 30.

History

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The history of the locomotives starts in 1932, when to cope with increased traffic levels, Marc de Caso designed a new class of 2-10-0 Decapod locomotives: the 5.1200s, later to become the SNCF 2-150.B.

In order to increase standardisation, and to reduce operating and maintenance costs, the 5.1200s shared many parts with the third series of Super Pacifics (3.1251 to 3.1290) and the suburban Mikado tank locomotives (4.1200 to 4.1272).[1]

Construction

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The class was built between 1933 and 1935 by the Nord's workshops at La Chapelle and Hellemmes-Lille.

Table of orders
Nord N° SNCF N° Quantity Manufacturer Year Comments
5.1201 to 5.1208 2-150.B.1 to 2-150.B.8 8 La Chapelle 1933 prototypes
5.1209 to 5.1230 2-150.B.9 to 2-150.B.30 22 Hellemmes 1933–35

Description

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Locomotive

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The 5.1200s had the same boiler as the Super Pacifics; the Belpaire firebox was riveted and made of copper. The front end, consisting of four cylinders, was a steel monobloc casting.[2][3]

Originally, they were hand-fired, but the coal consumption was such that in 1934, 10 locomotives of the class were fitted with mechanical stokers. The results were so successful, that the remainder of the class was later equipped as well.

Tenders

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The 5.1200s were equipped with type 38.A tenders at the start of their career. Some had type 37.A; while later some were coupled to type 36.A

Livery

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The 5.1200s were delivered in the Nord's standard livery of chocolate brown with yellow lining; bufferbeams were red, edged in white. This livery was applied to all of the company's compound locomotives.

After nationalisation in 1938, the SNCF livery – No.306 exterior green and black with yellow lining – was gradually applied. The locomotives did not carry the SNCF's standard cabside number plates, but had the details painted on, which was standard practice on the Région Nord.

Models

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The 5.1200s have been modelled in O scale by the Swiss company Lemaco.

References

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  1. ^ Prévot 2013.
  2. ^ Davies 1997, pp. 153–154.
  3. ^ Prévot 2008.
  • Davies, John (January 1997). Chemins de fer du Nord Locomotive List 1842–1938. Sunnybank, Queensland: Dr. John Davies. ISBN 0-646-30938-2.
  • Prévot, Aurélien (March 2008). "Les 150 P : Des " unifiées " héritières du Nord". Ferrovissime (in French) (3). Auray: LR Presse.
  • Prévot, Aurélien (April 2013). "Les 150 P : Portrait du Rail". Ferrovissime (in French) (59). Auray: LR Presse.

See also

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