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Est 0.250 to 0.500 and 0.701 to 0.766

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Est 0.250 to 0.500 and 0.701 to 0.766
Type and origin
Power typeSteam
Build date1859–1884
Specifications
Configuration:
​
 •  Whyte 0-6-0
 •  UIC C n2
Gauge 1,435 mm (4 ft 8+1⁄2 in)
Driver dia.1.42 m (4 ft 7+7⁄8 in)
Wheelbase 3.55 m (11 ft 7+3⁄4 in)
Length
  • Type 23: 8.44 m (27 ft 8 in)
  • Type 29: 8.56 m (28 ft 1 in)
  • Type 45: 8.76 m (28 ft 9 in)
Loco weight
  • Type 23: 33.3 t (73,400 lb)
  • Type 29: 32.7 t (72,100 lb)
  • Type 45: 36.6 t (80,700 lb)
Fuel typeCoal
Firebox:​
 • Type Crampton
 • Grate area
  • Type 23: 1.35 m2 (14.5 sq ft)
  • Type 29: 1.35 m2 (14.5 sq ft)
  • Type 45: 1.63 m2 (17.5 sq ft)
Boiler pressure
  • Type 23: 8–9 kg/cm2 (0.785–0.883 MPa; 114–128 psi)
  • Type 29: 8–9 kg/cm2 (0.785–0.883 MPa; 114–128 psi)
  • Type 45: 9–13 kg/cm2 (0.883–1.27 MPa; 128–185 psi)
Heating surface
  • Type 23: 115 m2 (1,240 sq ft)
  • Type 29: 127 m2 (1,370 sq ft)
  • Type 45: 110 m2 (1,200 sq ft)
Cylinders Two, outside
Cylinder size 440 mm × 660 mm (17+5⁄16 in × 26 in)
Valve gear Stephenson
Performance figures
Maximum speed50 km/h (31 mph)
Career
Operators Chemins de fer de l'Est
Numbers
  • 0.250–0.299 (Type 23)
  • 0.300–0.349 (Type 29)
  • 0.350–0.478 (Type 23)
  • 0.479–0.500 (Type 45)
  • 0.701–0.766 (Type 45)
NicknamesBourbonnais

The Est 0.250 to 0.500 and 0.701 to 0.766 were 0-6-0 locomotives for freight traffic of the Chemins de fer de l'Est . [1] They were first put in service in 1859 [2] [3] and retired from service from 1892 until 1937. [4]

Contents

Construction history

The first series of machines was built 1858-1862 by Schneider-Creusot for the Compagnie des chemins de fer des Ardennes  ( fr ), which later merged with the Chemins de fer de l'Est in 1863. The series then received the numbers Est 0.300-0.350. [5]

Already in 1859 the design had been adopted by the Chemins de fer de l'Est, which had the type built from 1859 to 1884 without significant changes by their own workshops as well as various other manufacturers as series Est 0.250-0299 and 0.350-0.478. [5]

In 1881-1882 the locomotives Est 0.479-0.500 as well as 0.701-0.708, and in 1883-1884 the 0.709-0.766 were put into service. [6] Due to their longer fireboxes these later machines had an increased power output. The firegrate area had been increased from 1.35 m2 (14.5 sq ft) to 1.63 m2 (17.5 sq ft). The new boiler had a boiler pressure of 9 kg/cm2 (0.883 MPa; 128 psi) and the machine's adhesive weight increased to 36.6 t (80,700 lb), while tractive effort was 5,329 kg (11,700 lb).

Production batches [7]
Build dateQuantityEst NumbersTypeManufacturer
1859–1864280.250 – 0.27723 Schneider - Le Creusot
1859–1864220.278 – 0.29923Épernay Works (Est)
1858–1862500.300 – 0.34929Schneider - Le Creusot
1868510.350 – 0.40023Épernay Works
1867200.401 – 0.42023 Koechlin
1869–1884580.421 – 0.47823Épernay Works
1881220.479 – 0.50045Schneider - Le Creusot
1882–188480.701 – 0.70845Schneider - Le Creusot
1882–188430.709, 0.710, 0.76645Épernay Works
1882–1884300.711 – 0.74045 SACM
1882–1884250.741 – 0.76545Schneider - Le Creusot

From 1904 to 1909 forty-eight of the machines from series 0.252-0.428 were rebuilt as 2-6-0 two-cylinder compound locomotives. [8] [9] These 48 machines were renumbered as Est 30.252 to 30.428  ( fr ), retaining their original numbers with an additional prefix of '3' as follows: [8]

From 1906 to 1926 ninety-two of the machines from series 0.254-0.489 and 0.701-0.766 were rebuilt as 2-6-0 locomotives with simple expansion. [10] [9] The 92 machines were renumbered as Est 30.254 to 30.766  ( fr ), retaining their original numbers with an additional prefix of '3' as follows: [10]

Locomotive names

The locomotives of the earlier series received names. They were named as follows: [11]

Series 0.250 – 0.299:

Series 0.300 – 0.349:

Series 0.350 – 0.387:

Series 0.401 – 0.420 (named after Merovingians):

References

  1. ↑ Vilain (1980), pp. 140–144, 167.
  2. ↑ Deghilage (1883), pp. 454–455.
  3. ↑ Demoulin (1898), p. 111.
  4. ↑ Vilain (1980), p. 144.
  5. 1 2 Vilain (1980), p. 140.
  6. ↑ Vilain (1980), p. 141.
  7. ↑ Gillot (1976), pp. 99, 103.
  8. 1 2 Gillot (1976), p. 99.
  9. 1 2 Vilain (1980), p. 143.
  10. 1 2 Gillot (1976), p. 103.
  11. ↑ Vilain (1980), p. 279.

Bibliography

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