Nord 2.231 to 2.305

Nord 2.231 à 2.305 were suburban 4-4-4T locomotives of the Chemins de Fer du Nord. They were nicknamed "Revolver" due to the appearance of the high-pitched small diameter boilers next to the low water tanks and cabs,

Nord 2.231 to 2.305 SNCF 2-222.TA
Nord 2.290 from the second order
Type and origin Power type Steam Designer Gaston du Bousquet Builder La Chapelle Works Hellemmes Works Build date 1901–1906 Total produced 75
Specifications Configuration: ​  • Whyte 4-4-4T  • UIC 2′B2′ n2t Gauge 1,435 mm (4 ft 8+1⁄2 in) Leading dia. 900 mm (2 ft 11+3⁄8 in) Driver dia. 1,664 mm (5 ft 5+1⁄2 in) Trailing dia. 900 mm (2 ft 11+3⁄8 in) Length 10.884 m (35 ft 8+1⁄2 in) over buffers Adhesive weight 32.30 tonnes (31.79 long tons; 35.60 short tons) Loco weight 62.99–63.50 tonnes (62.00–62.50 long tons; 69.43–70.00 short tons) Fuel type Coal Fuel capacity 3.0–3.5 tonnes (3.0–3.4 long tons; 3.3–3.9 short tons) Water cap. 6,500–7,000 litres (1,400–1,500 imp gal; 1,700–1,800 US gal) Firebox: ​  • Type Belpaire  • Grate area 1.91 m2 (20.6 sq ft) Boiler pressure 12 kg/cm2 (1,180 kPa; 171 psi) Heating surface 120.2 m2 (1,294 sq ft) Superheater (none) Cylinders Two, outside Cylinder size 430 mm × 600 mm (16+15⁄16 in × 23+5⁄8 in) Valve gear Walschaerts Valve type Slide valves
Performance figures Maximum speed 105 km/h (65 mph) Tractive effort 66 kN (15,000 lbf)
Career Operators Chemins de Fer du Nord SNCF Numbers Nord: 2.231 – 2.305 SNCF 2-222.TA.1 – 2-222.TA.75 Disposition All scrapped

At nationalisation on 1 January 1938, they all passed to the Société nationale des chemins de fer français (SNCF), who renumbered them 2-222.TA.1 to 2-222.TA.75.

Construction history

The locomotives were built in three batches at the Nord's two workshops at La Chapelle, Paris and Hellemmes, Lille.

Batch	Years	Nord No.	SNCF No.	Water	Coal	Weight
1	1901–1902	2.251 – 2.280	2-222.TA.21 – 2.222.TA.50	6500 L	3.0 t	62.9 t
2	1902–1904	2.281 – 2.305	2-222.TA.51 – 2.222.TA.75	7000 L	3.5 t	62.9 t
3	1905–1906	2.250 – 2.231	2-222.TA.20 – 2.222.TA.1	7000 L	3.5 t	63.5 t

Models

The "Revolvers" have been reproduced in HO scale by the British firm DJH Model Loco as a kit with an etched brass chassis and white metal superstructure.

Notes et references

• Davies, John (January 1997). Chemins de fer du Nord Locomotive List 1842–1938. Sunnybank, Queensland: Dr. John Davies. ISBN 0-646-30938-2.