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French Northern Railway Crampton
The Cramptons of the Nord comprised a total of 58 locomotives, which, like almost all French Cramptons, were built by Cail. They had outside cylinders which were raised and inclined. The bearings were generously sized...
| French Northern Railway CramptonRemove | |
|---|---|
| Variant | 1853 variant |
| Built | 1849-1859 |
| Manufacturers | Cail |
| Wheel arrangement | 2A cr |
| Gauge | 1435 mm |
| Length | |
| Service mass | 29600 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Built | 1849-1859 |
| Manufacturers | Cail |
| Wheel arrangement | 4-2-0 (Crampton) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Wheelbase | 4.50 m |
| Service mass | 29.6 t |
| Adhesion mass | 12.6 t |
| Rigid wheelbase | 4.50 m |
| Axle load | 12.6 t |
Boiler
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Grate area | 1.27 m² |
| Firebox surface | 66 m² |
| Tube heating surface | 31.71 m² |
| Evaporative heating surface | 97.71 m² |
| Total heating surface | 97.7 m² |
Power plant
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Driver diameter | 2,300 mm |
| Boiler pressure | 7.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 560 mm |
Power
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Power source | steam |
| Estimated power | 190 kW (258 PS) |
| Top speed | 120 km/h |
| Starting effort | 28.5 kN |
Calculated values
| Property | French Northern Railway Crampton1853 variant |
|---|---|
| Factor of adhesion | 1 : 4.34 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 6.4 kW/t |
| Heating Surface Equivalent | 427.7 m² |
| Cylinder volume/HSE | 1 : 362.79 |
| Adhesive weight/Total | 1 : 2.35 |
| Tractive force/Heating surface | 1 : 6.09 |
| Grate area/Heating surface | 1 : 76.94 |
| Firebox/Tube surface | 1 : 0.48 |
