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French Northern Railway No. 401 to 436
The French Nord received a total of 36 Engerth supporting tender locomotives for passenger transport in 1857 and 1858. They only had two driving axles with large wheels and three axles for the tender. The wheelbase be...
General
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Built | 1873 |
| Manufacturers | La Chapelle |
| Wheel arrangement | 0-4-2 |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Wheelbase | 5.05 m |
| Rigid wheelbase | 2.70 m |
| Service weight | 31.5 t |
| Adhesive weight | 22 t |
| Axle load | 11.6 t |
| Water capacity | 5,500 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Grate area | 1.7 m² |
| Firebox surface | 8.2 m² |
| Tube heating surface | 97.4 m² |
| Evaporative heating surface | 105.6 m² |
| Total heating surface | 105.6 m² |
Power plant
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Driver diameter | 1,740 mm |
| Boiler pressure | 8.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 5,600 mm |
Power
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Power source | steam |
| Estimated power | 260 kW (354 PS) |
| Starting effort | 400.5 kN |
Calculated values
| Property | French Northern Railway No. 401 to 436 rebuilt B1 |
|---|---|
| Factor of adhesion | 1 : 0.54 |
| Optimal speed | 3 km/h |
| Power-to-weight ratio | 8.3 kW/t |
| Heating Surface Equivalent | 146.6 m² |
| Cylinder volume/HSE | 1 : 10,584.55 |
| Adhesive weight/Total | 1 : 1.43 |
| Tractive force/Heating surface | 1 : 79.22 |
| Grate area/Heating surface | 1 : 62.12 |
| Firebox/Tube surface | 1 : 11.88 |
