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Ceylon Government Railways class D3
The class D3 consisted of 22 2-6-4T tank locomotives built by Robert Stephenson & Co. between 1907 and 1914. They were built for suburban services on the coast line south of Colombo. To ensure sufficient acceleration ...
| Ceylon Government Railways class D3Remove | |
|---|---|
| Variant | Standard |
| Built | 1907-1914 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 1C2 t |
| Gauge | 1676 mm |
| Length | |
| Service mass | 72749 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Built | 1907-1914 |
| Manufacturers | Robert Stephenson & Co. |
| Wheel arrangement | 2-6-4T (Adriatic) |
| Gauge | 1,676 mm |
Dimensions and weights
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Wheelbase | 9.91 m |
| Empty mass | 57.5 t |
| Service mass | 72.7 t |
| Adhesion mass | 42.2 t |
| Rigid wheelbase | 3.66 m |
| Axle load | 14.1 t |
| Water capacity | 7,957 l |
| Fuel capacity | 3.6 t (coal) |
Boiler
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Grate area | 2.183 m² |
| Evaporative heating surface | 122.911 m² |
| Total heating surface | 122.9 m² |
Power plant
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Driver diameter | 1,524 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 522 kW (710 PS) |
| Starting effort | 94.6 kN |
Calculated values
| Property | Ceylon Government Railways class D3 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.37 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 7.2 kW/t |
| Adhesive weight/Total | 1 : 1.73 |
| Tractive force/Heating surface | 1 : 16.08 |
| Grate area/Heating surface | 1 : 56.30 |
