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French State Railway 232 U
The 232 U 1 was one of the eight streamlined 4-6-4 locomotives designed by Marc de Caso from 1938 for the Nord. While the others were built with conventional cylinders, the eighth one was originally planned to be powe...
| French State Railway 232 URemove | |
|---|---|
| Variant | Standard |
| Built | 1949 |
| Manufacturers | Corpet-Louvet |
| Wheel arrangement | 2C2 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 129000 kg |
| Top speed | 140 km/h |
| Power | |
| Engine |
General
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Built | 1949 |
| Manufacturers | Corpet-Louvet |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Length loco | 15.71 m |
| Total wheelbase | 22.59 m |
| Service mass | 129 t |
| Adhesion mass | 69 t |
| Total mass | 215.4 t |
| Rigid wheelbase | 4.39 m |
| Axle load | 23 t |
| Water capacity | 36,000 l |
| Fuel capacity | 11.5 t (coal) |
Boiler
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Grate area | 5.175 m² |
| Firebox surface | 25 m² |
| Tube heating surface | 195 m² |
| Evaporative heating surface | 220 m² |
| Superheater surface | 87.42 m² |
| Total heating surface | 307.4 m² |
Power plant
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Driver diameter | 2,000 mm |
| Boiler pressure | 20 bar |
| Expansion type | compound |
| Cylinders | four, HP: 446 x 700 mm and LP: 680 x 700 mm |
Power
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,500 kW (3,399 PS) |
| Top speed | 140 km/h |
| Starting effort | 165.5 kN |
| Starting effort simple | 198.6 kN |
Calculated values
| Property | French State Railway 232 U Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.09 |
| Optimal speed | 92 km/h |
| Power-to-weight ratio | 19.4 kW/t |
| Heating Surface Equivalent | 519.8 m² |
| Cylinder volume/HSE | 1 : 909.77 |
| Adhesive weight/Total | 1 : 1.87 |
| Tractive force/Heating surface | 1 : 11.24 |
| Grate area/Heating surface | 1 : 59.40 |
| Firebox/Tube surface | 1 : 7.80 |
| Total/Superheater | 1 : 2.52 |
