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North Eastern class S2
Based on Worsdell's class S, Raven developed the class S2, which was intended for mixed service. The first seven locomotives were delivered without a superheater and the remaining 13 with a Robinson-type superheater ....
General
| Property | North Eastern class S2Remove |
|---|---|
| Built | 1911-1913 |
| Manufacturers | Darlington |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | North Eastern class S2Remove |
|---|---|
| Wheelbase | 7.94 m |
| Rigid wheelbase | 4.27 m |
| Total wheelbase | 15.45 m |
| Service weight | 70 t |
| Axle load | 19.7 t |
| Total weight | 111.7 t |
| Water capacity | 17,913 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | North Eastern class S2Remove |
|---|---|
| Grate area | 2.137 m² |
| Firebox surface | 13.006 m² |
| Tube heating surface | 114.178 m² |
| Evaporative heating surface | 127.184 m² |
| Superheater surface | 33.538 m² |
| Total heating surface | 160.7 m² |
Power plant
| Property | North Eastern class S2Remove |
|---|---|
| Driver diameter | 1,861 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | North Eastern class S2Remove |
|---|---|
| Power source | steam |
| Estimated power | 783 kW (1,065 PS) |
| Starting effort | 93.9 kN |
Calculated values
| Property | North Eastern class S2Remove |
|---|---|
| Optimal speed | 51 km/h |
| Power-to-weight ratio | 11.2 kW/t |
| Heating Surface Equivalent | 259.3 m² |
| Cylinder volume/HSE | 1 : 1,032.45 |
| Tractive force/Heating surface | 1 : 12.21 |
| Grate area/Heating surface | 1 : 75.21 |
| Firebox/Tube surface | 1 : 8.78 |
| Total/Superheater | 1 : 3.79 |
