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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...
General
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Built | 1933-1948 |
| Manufacturers | Fives.Lille, SFCM, Batignolles-Châtillon |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Wheelbase | 11.17 m |
| Rigid wheelbase | 6.15 m |
| Total wheelbase | 21.40 m |
| Empty weight | 112.6 t |
| Service weight | 122.6 t |
| Adhesive weight | 78.5 t |
| Axle load | 19.7 t |
| Total weight | 195.5 t |
| Water capacity | 35,000 l |
| Fuel capacity | 8.5 t (coal) |
Boiler
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Grate area | 4.43 m² |
| Firebox surface | 23.9 m² |
| Tube heating surface | 199.3 m² |
| Evaporative heating surface | 223.2 m² |
| Superheater surface | 70 m² |
| Total heating surface | 293.2 m² |
Power plant
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Driver diameter | 1,950 mm |
| Boiler pressure | 20 bar |
| Expansion type | compound |
| Cylinders | four, HP: 425 x 720 mm and LP: 660 x 720 mm |
Power
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Power source | steam |
| Indicated power | 2,574 kW (3,500 PS) |
| Top speed | 110 km/h |
| Starting effort | 160.3 kN |
| Starting effort simple | 192.3 kN |
Calculated values
| Property | French Eastern Railway series 13 No. 241-001 to 041 and French State Railway (État) 241-001 to -049 rebuilt |
|---|---|
| Factor of adhesion | 1 : 4.00 |
| Optimal speed | 98 km/h |
| Power-to-weight ratio | 21.0 kW/t |
| Heating Surface Equivalent | 482.7 m² |
| Cylinder volume/HSE | 1 : 933.52 |
| Adhesive weight/Total | 1 : 1.56 |
| Tractive force/Heating surface | 1 : 13.70 |
| Grate area/Heating surface | 1 : 66.19 |
| Firebox/Tube surface | 1 : 8.34 |
| Total/Superheater | 1 : 3.19 |
