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French State Railway (État) 231-501 to 783
In 1914, the État ordered the first batch of the locomotives which later carried the numbers 231-501 to 783. They were the successors to the Pacifics of the series 231-011 to 060. The new locomotives were also four-cy...
| French State Railway (État) 231-501 to 783Remove | |
|---|---|
| Variant | Standard |
| Built | 1914-1922 |
| Manufacturers | Fives-Lille;North British;Batignolles-Châtillon;Schneider |
| Wheel arrangement | 2C1 |
| Gauge | 1435 mm |
| Length | 22500 mm |
| Service mass | 96500 kg |
| Top speed | 130 km/h |
| Power | |
| Engine |
General
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Built | 1914-1922 |
| Manufacturers | Fives-Lille, North British, Batignolles-Châtillon, Schneider |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Length | 22.50 m |
| Wheelbase | 10.90 m |
| Total wheelbase | 19.59 m |
| Service mass | 96.5 t |
| Adhesion mass | 55.7 t |
| Total mass | 148.9 t |
| Rigid wheelbase | 4.10 m |
| Axle load | 18.6 t |
| Water capacity | 22,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Grate area | 4.27 m² |
| Firebox surface | 16.37 m² |
| Tube heating surface | 195.6 m² |
| Evaporative heating surface | 211.97 m² |
| Superheater surface | 63.5 m² |
| Total heating surface | 275.5 m² |
Power plant
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Driver diameter | 1,960 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 420 x 650 mm and LP: 640 x 650 mm |
Power
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,640 kW (2,230 PS) |
| Top speed | 130 km/h |
| Starting effort | 111.2 kN |
| Starting effort simple | 133.5 kN |
Calculated values
| Property | French State Railway (État) 231-501 to 783 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.91 |
| Optimal speed | 90 km/h |
| Power-to-weight ratio | 17.0 kW/t |
| Heating Surface Equivalent | 420.8 m² |
| Cylinder volume/HSE | 1 : 924.89 |
| Adhesive weight/Total | 1 : 1.73 |
| Tractive force/Heating surface | 1 : 8.43 |
| Grate area/Heating surface | 1 : 64.51 |
| Firebox/Tube surface | 1 : 11.95 |
| Total/Superheater | 1 : 3.34 |
