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French Northern Railway No. 3.801 to 3.865
The Nord series 3.801 to 3.965 was a 4-6-4T tank locomotive for suburban service around Paris designed by Gaston Du Bousquet. It was a more powerful replacement for the 4-4-4T series 2.231. Although Du Bousquet was a ...
| French Northern Railway No. 3.801 to 3.865Remove | |
|---|---|
| Variant | 3.801-3.835 |
| Built | 1909-1911, 1914 |
| Manufacturers | SFCM;Hellemmes |
| Wheel arrangement | 2C2 t |
| Gauge | 1435 mm |
| Length | 13540 mm |
| Service mass | 87100 kg |
| Top speed | 105 km/h |
| Power | |
| Engine |
General
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Built | 1909-1911, 1914 |
| Manufacturers | SFCM, Hellemmes |
| Wheel arrangement | 4-6-4T (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Length | 13.54 m |
| Wheelbase | 11.00 m |
| Service mass | 87.1 t |
| Adhesion mass | 49 t |
| Rigid wheelbase | 3.80 m |
| Axle load | 16.3 t |
| Water capacity | 9,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Grate area | 2.2 m² |
| Firebox surface | 9.95 m² |
| Tube heating surface | 165.52 m² |
| Evaporative heating surface | 175.47 m² |
| Total heating surface | 175.5 m² |
Power plant
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Driver diameter | 1,664 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 480 x 600 mm |
Power
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Power source | steam |
| Estimated power | 600 kW (816 PS) |
| Top speed | 105 km/h |
| Starting effort | 84.7 kN |
Calculated values
| Property | French Northern Railway No. 3.801 to 3.8653.801-3.835 |
|---|---|
| Factor of adhesion | 1 : 5.67 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 6.9 kW/t |
| Heating Surface Equivalent | 225.2 m² |
| Cylinder volume/HSE | 1 : 964.15 |
| Adhesive weight/Total | 1 : 1.78 |
| Tractive force/Heating surface | 1 : 10.09 |
| Grate area/Heating surface | 1 : 79.76 |
| Firebox/Tube surface | 1 : 16.64 |
