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Southern Railway (USA) class Ms-2
For the well-known Saluda grade of more than four percent, the Southern was looking for a locomotive with a particularly high tractive effort. This is where the idea came up of mounting additional drivers in the tende...
| Southern Railway (USA) class Ms-2Remove | |
|---|---|
| Variant | Standard |
| Built | 1915 |
| Manufacturers | Southern Railway |
| Wheel arrangement | 1D1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 228130 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Built | 1915 |
| Manufacturers | Southern Railway |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Wheelbase | 10.59 m |
| Service mass | 228.1 t |
| Adhesion mass | 97.8 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 24.9 t |
| Water capacity | 28,391 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Grate area | 4.952 m² |
| Firebox surface | 19.695 m² |
| Tube heating surface | 280.475 m² |
| Evaporative heating surface | 300.17 m² |
| Superheater surface | 64.939 m² |
| Total heating surface | 365.1 m² |
Power plant
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 660 x 762 mm |
Power
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,641 kW (2,231 PS) |
| Starting effort | 213.0 kN |
| Starting effort booster | 102.905 kN |
Calculated values
| Property | Southern Railway (USA) class Ms-2 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.51 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 7.2 kW/t |
| Heating Surface Equivalent | 528.5 m² |
| Cylinder volume/HSE | 1 : 987.70 |
| Adhesive weight/Total | 1 : 2.33 |
| Tractive force/Heating surface | 1 : 12.18 |
| Grate area/Heating surface | 1 : 73.73 |
| Firebox/Tube surface | 1 : 14.24 |
| Total/Superheater | 1 : 4.62 |
