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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 | 3.836-3.865 |
| Built | 1909-1911, 1914 |
| Manufacturers | SFCM;Hellemmes |
| Wheel arrangement | 2C2 t |
| Gauge | 1435 mm |
| Length | 13540 mm |
| Service mass | 86585 kg |
| Top speed | 105 km/h |
| Power | |
| Engine |
General
| Property | French Northern Railway No. 3.801 to 3.8653.836-3.865 |
|---|---|
| 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 3.8653.836-3.865 |
|---|---|
| Length | 13.54 m |
| Wheelbase | 11.00 m |
| Service mass | 86.6 t |
| Adhesion mass | 48.3 t |
| Rigid wheelbase | 3.80 m |
| Axle load | 16.1 t |
| Water capacity | 9,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | French Northern Railway No. 3.801 to 3.8653.836-3.865 |
|---|---|
| Grate area | 2.2 m² |
| Firebox surface | 9.95 m² |
| Tube heating surface | 152.08 m² |
| Evaporative heating surface | 162.03 m² |
| Superheater surface | 30.66 m² |
| Total heating surface | 192.7 m² |
Power plant
| Property | French Northern Railway No. 3.801 to 3.8653.836-3.865 |
|---|---|
| Driver diameter | 1,664 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 560 x 600 mm |
Power
| Property | French Northern Railway No. 3.801 to 3.8653.836-3.865 |
|---|---|
| Power source | steam |
| Estimated power | 700 kW (952 PS) |
| Top speed | 105 km/h |
| Starting effort | 115.3 kN |
Calculated values
| Property | French Northern Railway No. 3.801 to 3.8653.836-3.865 |
|---|---|
| Factor of adhesion | 1 : 4.11 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 8.1 kW/t |
| Heating Surface Equivalent | 273.1 m² |
| Cylinder volume/HSE | 1 : 1,082.24 |
| Adhesive weight/Total | 1 : 1.79 |
| Tractive force/Heating surface | 1 : 12.50 |
| Grate area/Heating surface | 1 : 87.59 |
| Firebox/Tube surface | 1 : 15.28 |
| Total/Superheater | 1 : 5.28 |
