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South Eastern & Chatham class N
Shortly before the First World War, the SECR had the problem that the significantly increased traffic volumes were encountered with weak, outdated locomotives and the light rails and bridges. On the one hand passenger...
General
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Built | 1917-1934 |
| Manufacturers | Ashford |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Length | 17.63 m |
| Wheelbase | 7.42 m |
| Rigid wheelbase | 4.72 m |
| Total wheelbase | 14.57 m |
| Service weight | 60.4 t |
| Adhesive weight | 51.7 t |
| Axle load | 17.8 t |
| Total weight | 95.2 t |
| Water capacity | 15,910 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Grate area | 2.323 m² |
| Firebox surface | 12.542 m² |
| Tube heating surface | 141.77 m² |
| Evaporative heating surface | 154.312 m² |
| Superheater surface | 18.859 m² |
| Total heating surface | 173.2 m² |
Power plant
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 711 mm |
Power
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Power source | steam |
| Estimated power | 820 kW (1,115 PS) |
| Starting effort | 115.8 kN |
Calculated values
| Property | South Eastern & Chatham class NRemove |
|---|---|
| Factor of adhesion | 1 : 4.38 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 13.6 kW/t |
| Heating Surface Equivalent | 254.7 m² |
| Cylinder volume/HSE | 1 : 1,021.38 |
| Adhesive weight/Total | 1 : 1.17 |
| Tractive force/Heating surface | 1 : 13.97 |
| Grate area/Heating surface | 1 : 74.55 |
| Firebox/Tube surface | 1 : 11.30 |
| Total/Superheater | 1 : 8.18 |
