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French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049
In 1925, the Est was the first railway in Europe to get a 4-8-2 “Mountain” locomotive. This prototype, numbered 41-001, was built in the Épernay workshops to haul heavier express trains than the Pacifics, since more a...
| French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049Remove | |
|---|---|
| Variant | prototype |
| Built | 1925 |
| Manufacturers | Épernay |
| Wheel arrangement | 2D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 112000 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Built | 1925 |
| Manufacturers | Épernay |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Wheelbase | 12.97 m |
| Total wheelbase | 21.96 m |
| Empty mass | 102.6 t |
| Service mass | 112 t |
| Adhesion mass | 74.3 t |
| Total mass | 182.2 t |
| Rigid wheelbase | 6.15 m |
| Axle load | 18.7 t |
| Water capacity | 32,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Grate area | 4.43 m² |
| Firebox surface | 23.9 m² |
| Tube heating surface | 193.7 m² |
| Evaporative heating surface | 217.6 m² |
| Superheater surface | 92 m² |
| Total heating surface | 309.6 m² |
Power plant
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Driver diameter | 1,950 mm |
| Boiler pressure | 17 bar |
| Expansion type | compound |
| Cylinders | four, HP: 450 x 720 mm and LP: 610 x 720 mm |
Power
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Power source | steam |
| Indicated power | 1,800 kW (2,447 PS) |
| Top speed | 120 km/h |
| Starting effort | 139.9 kN |
| Starting effort simple | 167.9 kN |
Calculated values
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049prototype |
|---|---|
| Factor of adhesion | 1 : 5.21 |
| Optimal speed | 79 km/h |
| Power-to-weight ratio | 16.1 kW/t |
| Heating Surface Equivalent | 521.1 m² |
| Cylinder volume/HSE | 1 : 843.29 |
| Adhesive weight/Total | 1 : 1.51 |
| Tractive force/Heating surface | 1 : 9.44 |
| Grate area/Heating surface | 1 : 69.89 |
| Firebox/Tube surface | 1 : 8.10 |
| Total/Superheater | 1 : 2.37 |
