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South Eastern & Chatham classes D und D1
The class D express locomotives were among Wainwright's first designs for the SE&CR. They were colorfully decorated to attract more public attention. They were built by different manufacturers, from 1905 also with Bel...
General
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Built | 1901-1907 |
| Manufacturers | Ashford, Dübs & Co., Sharp, Stewart & Co., Robert Stephenson & Co., Vulcan Foundry |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Wheelbase | 6.20 m |
| Rigid wheelbase | 3.05 m |
| Total wheelbase | 13.77 m |
| Service weight | 53.1 t |
| Adhesive weight | 35.5 t |
| Axle load | 17.9 t |
| Total weight | 92.8 t |
| Water capacity | 15,683 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Grate area | 1.872 m² |
| Firebox surface | 12.635 m² |
| Tube heating surface | 129.693 m² |
| Evaporative heating surface | 142.328 m² |
| Total heating surface | 142.3 m² |
Power plant
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Driver diameter | 2,032 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 489 x 660 mm |
Power
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Power source | steam |
| Estimated power | 574 kW (780 PS) |
| Starting effort | 79.7 kN |
Calculated values
| Property | South Eastern & Chatham classes D und D1 Belpaire firebox |
|---|---|
| Factor of adhesion | 1 : 4.37 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 10.8 kW/t |
| Heating Surface Equivalent | 205.5 m² |
| Cylinder volume/HSE | 1 : 1,206.81 |
| Adhesive weight/Total | 1 : 1.50 |
| Tractive force/Heating surface | 1 : 11.69 |
| Grate area/Heating surface | 1 : 76.03 |
| Firebox/Tube surface | 1 : 10.26 |
