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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...
General
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Built | 1852, 1855 |
| Manufacturers | Cail, Schneider |
| Wheel arrangement | 4-2-0 (Crampton) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Length | 13.51 m |
| Empty weight | 23.6 t |
| Service weight | 26.8 t |
| Adhesive weight | 10.2 t |
| Axle load | 10.2 t |
| Total weight | 47.6 t |
| Water capacity | 6,000 l |
| Fuel capacity | 3.2 t (coal) |
Boiler
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Grate area | 1.29 m² |
| Firebox surface | 7.6 m² |
| Tube heating surface | 88.92 m² |
| Evaporative heating surface | 96.52 m² |
| Total heating surface | 96.5 m² |
Power plant
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Driver diameter | 2,300 mm |
| Boiler pressure | 6.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 400 x 560 mm |
Power
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Power source | steam |
| Estimated power | 170 kW (231 PS) |
| Top speed | 120 km/h |
| Starting effort | 22.5 kN |
Calculated values
| Property | French Eastern Railway No. 79 to 90 and 174 to 188 Remove |
|---|---|
| Factor of adhesion | 1 : 4.44 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 6.3 kW/t |
| Heating Surface Equivalent | 134.5 m² |
| Cylinder volume/HSE | 1 : 1,046.26 |
| Adhesive weight/Total | 1 : 2.63 |
| Tractive force/Heating surface | 1 : 4.87 |
| Grate area/Heating surface | 1 : 74.82 |
| Firebox/Tube surface | 1 : 11.70 |
