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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...
General
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Built | 1849-1859 |
| Manufacturers | Cail |
| Wheel arrangement | 4-2-0 (Crampton) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Wheelbase | 4.76 m |
| Rigid wheelbase | 4.76 m |
| Empty weight | 25.9 t |
| Service weight | 29.1 t |
| Adhesive weight | 12.6 t |
| Axle load | 12.6 t |
Boiler
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Grate area | 1.305 m² |
| Firebox surface | 6.15 m² |
| Tube heating surface | 86.83 m² |
| Evaporative heating surface | 92.98 m² |
| Total heating surface | 93.0 m² |
Power plant
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Driver diameter | 2,100 mm |
| Boiler pressure | 7.5 bar |
| Expansion type | simple expansion |
| Cylinders | two, 420 x 550 mm |
Power
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Power source | steam |
| Estimated power | 200 kW (272 PS) |
| Top speed | 120 km/h |
| Starting effort | 29.5 kN |
Calculated values
| Property | French Northern Railway Crampton 1859 variant |
|---|---|
| Factor of adhesion | 1 : 4.20 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 6.9 kW/t |
| Heating Surface Equivalent | 123.7 m² |
| Cylinder volume/HSE | 1 : 1,231.70 |
| Adhesive weight/Total | 1 : 2.31 |
| Tractive force/Heating surface | 1 : 6.62 |
| Grate area/Heating surface | 1 : 71.25 |
| Firebox/Tube surface | 1 : 14.12 |
