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French Northern Railway No. 2.821 to 2.911 “Outrance”
From 1870, the Nord procured 2-4-0 express locomotives from André Koechlin with a driving wheel diameter of 2,100 mm or 6 ft 10 5/8 in. The leading axle could be shifted laterally by 10 mm. The frame was a double one ...
| French Northern Railway No. 2.821 to 2.911 “Outrance”Remove | |
|---|---|
| Variant | |
| Built | 1870-1885 |
| Manufacturers | Koechlin;SACM |
| Wheel arrangement | 1B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 35850 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Built | 1870-1885 |
| Manufacturers | Koechlin, SACM |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Wheelbase | 5.50 m |
| Empty mass | 32.9 t |
| Service mass | 35.9 t |
| Adhesion mass | 25.4 t |
| Rigid wheelbase | 5.50 m |
| Axle load | 13.2 t |
| Water capacity | 8,000 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Grate area | 1.75 m² |
| Firebox surface | 9.4 m² |
| Tube heating surface | 82.07 m² |
| Evaporative heating surface | 91.47 m² |
| Total heating surface | 91.5 m² |
Power plant
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Driver diameter | 2,100 mm |
| Boiler pressure | 8.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Power source | steam |
| Estimated power | 300 kW (408 PS) |
| Top speed | 120 km/h |
| Starting effort | 39.2 kN |
Calculated values
| Property | French Northern Railway No. 2.821 to 2.911 “Outrance”Remove |
|---|---|
| Factor of adhesion | 1 : 6.35 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 8.4 kW/t |
| Heating Surface Equivalent | 138.5 m² |
| Cylinder volume/HSE | 1 : 1,291.40 |
| Adhesive weight/Total | 1 : 1.41 |
| Tractive force/Heating surface | 1 : 8.94 |
| Grate area/Heating surface | 1 : 52.27 |
| Firebox/Tube surface | 1 : 8.73 |
