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French Eastern Railway No. 79 to 90 and 174 to 188
After the Nord had already had 100 km/h fast Crampton machines built with a driving wheel diameter of 2,100 mm from 1849, the Est procured similar ones with a diameter of 2,300 mm three years later. The engines of the...
| French Eastern Railway No. 79 to 90 and 174 to 188Remove | |
|---|---|
| Variant | |
| Built | 1881 |
| Manufacturers | Est |
| Wheel arrangement | 2A cr |
| Gauge | 1435 mm |
| Length | 13510 mm |
| Service mass | 34698 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Built | 1881 |
| Manufacturers | Est |
| Wheel arrangement | 4-2-0 (Crampton) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Length | 13.51 m |
| Empty mass | 30.5 t |
| Service mass | 34.7 t |
| Adhesion mass | 13.7 t |
| Axle load | 13.7 t |
| Water capacity | 8,000 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Grate area | 1.3 m² |
| Firebox surface | 6.65 m² |
| Tube heating surface | 84.62 m² |
| Evaporative heating surface | 91.27 m² |
| Total heating surface | 91.3 m² |
Power plant
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Driver diameter | 2,300 mm |
| Boiler pressure | 8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 400 x 560 mm |
Power
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Power source | steam |
| Estimated power | 210 kW (286 PS) |
| Top speed | 120 km/h |
| Starting effort | 26.5 kN |
Calculated values
| Property | French Eastern Railway No. 79 to 90 and 174 to 188Remove |
|---|---|
| Factor of adhesion | 1 : 5.08 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 6.1 kW/t |
| Heating Surface Equivalent | 124.5 m² |
| Cylinder volume/HSE | 1 : 1,130.29 |
| Adhesive weight/Total | 1 : 2.53 |
| Tractive force/Heating surface | 1 : 6.06 |
| Grate area/Heating surface | 1 : 70.21 |
| Firebox/Tube surface | 1 : 12.72 |
