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French Northern Railway No. 3.1101 and 3.1102
The 3.1101 and 3.1102 were two 4-6-4 locomotives designed by Gaston du Bousquet for the Nord and built at their La Chapelle works in 1911. They were the first tender locomotives of this wheel arrangement in the world ...
| French Northern Railway No. 3.1101 and 3.1102Remove | |
|---|---|
| Variant | |
| Built | 1911 |
| Manufacturers | La Chapelle |
| Wheel arrangement | 2C2 |
| Gauge | 1435 mm |
| Length | 24645 mm |
| Service mass | 102000 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Built | 1911 |
| Manufacturers | La Chapelle |
| Wheel arrangement | 4-6-4 (Hudson) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Length | 24.65 m |
| Wheelbase | 15.38 m |
| Total wheelbase | 21.18 m |
| Service mass | 102 t |
| Adhesion mass | 54 t |
| Total mass | 158.5 t |
| Rigid wheelbase | 4.30 m |
| Axle load | 18.5 t |
| Water capacity | 26,000 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Grate area | 4.28 m² |
| Firebox surface | 19.42 m² |
| Tube heating surface | 296.08 m² |
| Evaporative heating surface | 315.5 m² |
| Superheater surface | 69.96 m² |
| Total heating surface | 385.5 m² |
Power plant
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Driver diameter | 2,040 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 440 x 640 mm and LP: 620 x 730 mm |
Power
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,590 kW (2,162 PS) |
| Top speed | 120 km/h |
| Starting effort | 114.6 kN |
| Starting effort simple | 137.5 kN |
Calculated values
| Property | French Northern Railway No. 3.1101 and 3.1102Remove |
|---|---|
| Factor of adhesion | 1 : 4.62 |
| Optimal speed | 85 km/h |
| Power-to-weight ratio | 15.6 kW/t |
| Heating Surface Equivalent | 552.5 m² |
| Cylinder volume/HSE | 1 : 751.14 |
| Adhesive weight/Total | 1 : 1.89 |
| Tractive force/Heating surface | 1 : 6.21 |
| Grate area/Heating surface | 1 : 90.06 |
| Firebox/Tube surface | 1 : 15.25 |
| Total/Superheater | 1 : 4.51 |
