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French Eastern Railway series 11 and 11S No. 3103 to 3280
As a replacement for four-coupled express locomotives, the Est procured a total of 178 locomotives with a 4-6-0 wheel arrangement from 1906 onwards. This wheel arrangement was chosen because it had already proven itse...
General
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Built | 1906-1913, 1915-1927 |
| Manufacturers | Épernay, Maffei, SACM, Batignolles-Châtillon |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Length | 22.03 m |
| Length loco | 11.79 m |
| Wheelbase | 8.89 m |
| Rigid wheelbase | 4.95 m |
| Total wheelbase | 16.05 m |
| Empty weight | 72.7 t |
| Service weight | 78.6 t |
| Adhesive weight | 54.7 t |
| Axle load | 18.3 t |
| Water capacity | 26,600 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Grate area | 3.14 m² |
| Firebox surface | 16.22 m² |
| Tube heating surface | 142.34 m² |
| Evaporative heating surface | 158.56 m² |
| Superheater surface | 47.5 m² |
| Total heating surface | 206.1 m² |
Power plant
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Driver diameter | 2,090 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 405 x 680 mm and LP: 590 x 680 mm |
Power
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,100 kW (1,496 PS) |
| Top speed | 120 km/h |
| Starting effort | 98.7 kN |
| Starting effort simple | 118.4 kN |
Calculated values
| Property | French Eastern Railway series 11 and 11S No. 3103 to 3280 Remove |
|---|---|
| Factor of adhesion | 1 : 5.44 |
| Optimal speed | 68 km/h |
| Power-to-weight ratio | 14.0 kW/t |
| Heating Surface Equivalent | 334.7 m² |
| Cylinder volume/HSE | 1 : 1,079.04 |
| Adhesive weight/Total | 1 : 1.44 |
| Tractive force/Heating surface | 1 : 10.00 |
| Grate area/Heating surface | 1 : 65.62 |
| Firebox/Tube surface | 1 : 8.78 |
| Total/Superheater | 1 : 3.34 |
