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French Eastern Railway No. 801 to 840
In order to accommodate a boiler with the largest possible heating surface between large drivers, one of the approaches was the Flaman boiler. This consisted of two pipes arranged one above the other, which were conne...
General
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Built | 1891-1894 |
| Manufacturers | Epernay |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Length loco | 10.57 m |
| Wheelbase | 7.45 m |
| Rigid wheelbase | 3.00 m |
| Empty weight | 50.9 t |
| Service weight | 56.8 t |
| Adhesive weight | 33.4 t |
| Axle load | 16.7 t |
| Total weight | 101.1 t |
| Water capacity | 20,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Grate area | 2.42 m² |
| Firebox surface | 13.61 m² |
| Tube heating surface | 146.66 m² |
| Evaporative heating surface | 160.27 m² |
| Total heating surface | 160.3 m² |
Power plant
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Driver diameter | 2,090 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 470 x 660 mm |
Power
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Power source | steam |
| Estimated power | 600 kW (816 PS) |
| Top speed | 120 km/h |
| Starting effort | 71.2 kN |
Calculated values
| Property | French Eastern Railway No. 801 to 840Remove |
|---|---|
| Factor of adhesion | 1 : 4.60 |
| Optimal speed | 51 km/h |
| Power-to-weight ratio | 10.6 kW/t |
| Heating Surface Equivalent | 228.3 m² |
| Cylinder volume/HSE | 1 : 1,003.03 |
| Adhesive weight/Total | 1 : 1.70 |
| Tractive force/Heating surface | 1 : 9.27 |
| Grate area/Heating surface | 1 : 66.23 |
| Firebox/Tube surface | 1 : 10.78 |
