| Est 441 to 485 |
|---|
_-_Machine_No_445.jpg) |
| Type and origin |
|---|
| Power type | Steam |
|---|
| Designer | M. Regray |
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| Builder | - SACM-Graffenstaden (25)
- SACM-Belfort (20)
|
|---|
| Build date | 1885 |
|---|
| Total produced | 45 |
|---|
|
| Specifications |
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Configuration:
| |
|---|
| • Whyte | 0-4-2 |
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| • UIC | B1 n2 |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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| Driver dia. | 1,840 mm (6 ft 1⁄2 in) (other sources: 1,820 or 1,850 mm (5 ft 11+5⁄8 in or 6 ft 7⁄8 in)) |
|---|
| Trailing dia. | 1,220 mm (4 ft 0 in) |
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| Length | 8.595 m (28 ft 2.4 in) |
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| Adhesive weight | 27.8 t (61,300 lb) |
|---|
| Loco weight | 37.2 or 39.7 t (82,000 or 87,500 lb) |
|---|
| Tender weight | 24.0 or 27.0 t (52,900 or 59,500 lb) |
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| Fuel capacity | 5.0 t (11,000 lb) |
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| Water cap. | 7.0 or 10.0 m3 (1,540 or 2,200 imp gal; 1,850 or 2,640 US gal) |
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| Firebox: | |
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| • Type | Crampton |
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| • Grate area | 1.71 m2 (18.4 sq ft) |
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| Boiler pressure | 10 kg/cm2 (0.981 MPa; 142 psi) |
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| Heating surface | 103.2 m2 (1,111 sq ft) |
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| Cylinders | Two, inside |
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| Cylinder size | 430 mm × 610 mm (16+15⁄16 in × 24 in) |
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| Valve gear | Stephenson |
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|
| Performance figures |
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| Maximum speed | 90 km/h (56 mph) |
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| Power output | 620 CV (456 kW; 612 hp) |
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| Tractive effort | 6 t (13,200 lb) |
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|
| Career |
|---|
| Operators | |
|---|
| Power class | Est series 3 (later 4) |
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| Numbers | - Est: 441 – 485
- SNCF: 021 A 446, 452, 472, 474, 478
|
|---|
| Retired | 1926–1945 |
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|
Est 441 to 485 was a class of 45 French 0-4-2 locomotives for mixed service, built in 1885 for the Chemins de fer de l'Est.
They were the final development of the 0-4-2 locomotive in France.
Construction history
The locomotives were built by Société Alsacienne de Constructions Mécaniques (SACM) at their works in Graffenstaden and Belfort.
| Year |
Est no.
|
SACM factory
|
SACM
serial nos.
|
SNCF no.
|
| 1885 |
441–465
|
Graffenstaden
|
3536–3560 |
021 A 446, 452
|
| 1885 |
466–485
|
Belfort
|
3756–3775 |
021 A 472, 474, 478
|
References
Bibliography
- Davies, John (July 2001). Chemins de fer de l’Est Locomotive List 1839–1938 (Third ed.). Woodbridge, Queensland: Dr. John Davies. ISBN 0-646-06600-5.
- Gillot, Jean (1976). Les Locomotives a Vapeur de la S.N.C.F. Région Est (in French). Editions Picador.
- Vilain, Lucien-Maurice (1980). L'Évolution des locomotives à vapeur de la compagnie des chemins de fer de l'Est 1853-1938 (in French). éditions Pygmalion. ISBN 2-85704-081-4.
External links
