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French State Railway (État) 42-101 to 140
To increase their hauling power in suburban service from Paris Saint-Lazare, the État received 40 three-cylinder Mikado tank locomotives in 1932 and 1933. 20 each had been built by Schneider and Batignolles-Châtillon....
| French State Railway (État) 42-101 to 140Remove | |
|---|---|
| Variant | Standard |
| Built | 1932-1933 |
| Manufacturers | Schneider;Batignolles-Châtillon |
| Wheel arrangement | 1D1 t |
| Gauge | 1435 mm |
| Length | 15000 mm |
| Service mass | 106500 kg |
| Top speed | 95 km/h |
| Power | |
| Engine |
General
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Built | 1932-1933 |
| Manufacturers | Schneider, Batignolles-Châtillon |
| Wheel arrangement | 2-8-2T (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Length | 15.00 m |
| Empty mass | 84 t |
| Service mass | 106.5 t |
| Adhesion mass | 75 t |
| Axle load | 18.8 t |
| Water capacity | 12,500 l |
| Fuel capacity | 4 t (coal) |
Boiler
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Grate area | 2.8 m² |
| Firebox surface | 17.3 m² |
| Tube heating surface | 139.63 m² |
| Evaporative heating surface | 156.93 m² |
| Superheater surface | 35.98 m² |
| Total heating surface | 192.9 m² |
Power plant
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Driver diameter | 1,420 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | three, 510 x 660 mm |
Power
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,147 kW (1,559 PS) |
| Top speed | 95 km/h |
| Starting effort | 246.6 kN |
Calculated values
| Property | French State Railway (État) 42-101 to 140 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 2.98 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 10.8 kW/t |
| Heating Surface Equivalent | 315.4 m² |
| Cylinder volume/HSE | 1 : 1,282.47 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 26.70 |
| Grate area/Heating surface | 1 : 68.90 |
| Firebox/Tube surface | 1 : 8.07 |
| Total/Superheater | 1 : 4.36 |
