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French State Railway 141 R
Since there was a major shortage of locomotives after the liberation of France in World War II and the North American manufacturers still had capacities, SNCF ordered a total of 1,340 Mikados for freight and passenger...
| French State Railway 141 RRemove | |
|---|---|
| Variant | |
| Built | 1945-1947 |
| Manufacturers | Baldwin;ALCO;Lima;Montreal Locomotive Works;Canadian Locomotive Co. |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | 24130 mm |
| Service mass | 116000 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | French State Railway 141 RRemove |
|---|---|
| Built | 1945-1947 |
| Manufacturers | Baldwin, ALCO, Lima, Montreal Locomotive Works, Canadian Locomotive Co. |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French State Railway 141 RRemove |
|---|---|
| Length | 24.13 m |
| Length loco | 14.64 m |
| Wheelbase | 10.72 m |
| Total wheelbase | 20.32 m |
| Service mass | 116 t |
| Adhesion mass | 80 t |
| Total mass | 191 t |
| Rigid wheelbase | 5.02 m |
| Axle load | 20 t |
| Water capacity | 30,000 l |
| Fuel capacity | 9,500 l (oil) |
Boiler
| Property | French State Railway 141 RRemove |
|---|---|
| Grate area | 5.16 m² |
| Firebox surface | 27.31 m² |
| Tube heating surface | 223.53 m² |
| Evaporative heating surface | 250.84 m² |
| Superheater surface | 65.4 m² |
| Total heating surface | 316.2 m² |
Power plant
| Property | French State Railway 141 RRemove |
|---|---|
| Driver diameter | 1,651 mm |
| Boiler pressure | 15.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 597 x 711 mm |
Power
| Property | French State Railway 141 RRemove |
|---|---|
| Power source | steam |
| Indicated power | 2,150 kW (2,923 PS) |
| Top speed | 100 km/h |
| Starting effort | 202.2 kN |
Calculated values
| Property | French State Railway 141 RRemove |
|---|---|
| Factor of adhesion | 1 : 3.88 |
| Optimal speed | 64 km/h |
| Power-to-weight ratio | 18.5 kW/t |
| Heating Surface Equivalent | 518.2 m² |
| Cylinder volume/HSE | 1 : 768.16 |
| Adhesive weight/Total | 1 : 1.45 |
| Tractive force/Heating surface | 1 : 13.36 |
| Grate area/Heating surface | 1 : 61.29 |
| Firebox/Tube surface | 1 : 8.18 |
| Total/Superheater | 1 : 3.84 |
