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Southern Railway (USA) classes K and Ks
The class K designated a class of standard Consolidations of the Southern, with over 500 built beginning in 1903. The first 128 locomotives had a boiler with 437 smoke tubes, the later ones only had 403 tubes. In addi...
General
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Built | ab 1921 |
| Manufacturers | Southern |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Wheelbase | 7.40 m |
| Rigid wheelbase | 4.88 m |
| Total wheelbase | 17.30 m |
| Service weight | 96.6 t |
| Adhesive weight | 85.7 t |
| Axle load | 21.3 t |
| Total weight | 163.3 t |
| Water capacity | 28,391 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Grate area | 4.97 m² |
| Firebox surface | 21.554 m² |
| Tube heating surface | 194.539 m² |
| Evaporative heating surface | 216.093 m² |
| Superheater surface | 47.381 m² |
| Total heating surface | 263.5 m² |
Power plant
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Driver diameter | 1,448 mm |
| Boiler pressure | 14.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 572 x 762 mm |
Power
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Power source | steam |
| Estimated power | 1,417 kW (1,927 PS) |
| Starting effort | 216.6 kN |
Calculated values
| Property | Southern Railway (USA) classes K and Ks Ks - 22½ inches |
|---|---|
| Factor of adhesion | 1 : 3.88 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 14.7 kW/t |
| Heating Surface Equivalent | 418.6 m² |
| Cylinder volume/HSE | 1 : 933.86 |
| Adhesive weight/Total | 1 : 1.13 |
| Tractive force/Heating surface | 1 : 17.17 |
| Grate area/Heating surface | 1 : 53.01 |
| Firebox/Tube surface | 1 : 9.03 |
| Total/Superheater | 1 : 4.56 |
