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Tanganjika Railways class DL
The class DL consisted of six 4-8-0 tender locomotives built by Beyer, Peacock & Co. in 1923. They were derived from the Uganda Railway class GD and carried the works numbers 6128 to 6133. Their boilers were equipped ...
| Tanganjika Railways class DLRemove | |
|---|---|
| Variant | Standard |
| Built | 1923 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 2D |
| Gauge | 1000 mm |
| Length | |
| Service mass | 48567 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Built | 1923 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 4-8-0 (Twelve-wheeler) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Wheelbase | 6.53 m |
| Service mass | 48.6 t |
| Adhesion mass | 38.3 t |
| Total mass | 77.7 t |
| Rigid wheelbase | 3.66 m |
| Water capacity | 11,364 l |
| Fuel capacity | 1.1 t (oil) |
Boiler
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Grate area | 1.7 m² |
| Firebox surface | 11.985 m² |
| Tube heating surface | 88.908 m² |
| Evaporative heating surface | 100.893 m² |
| Superheater surface | 23.133 m² |
| Total heating surface | 124.0 m² |
Power plant
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Driver diameter | 1,092 mm |
| Boiler pressure | 11.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 584 mm |
Power
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 108.1 kN |
Calculated values
| Property | Tanganjika Railways class DL Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.48 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 13.8 kW/t |
| Heating Surface Equivalent | 207.1 m² |
| Cylinder volume/HSE | 1 : 926.29 |
| Adhesive weight/Total | 1 : 1.27 |
| Tractive force/Heating surface | 1 : 18.21 |
| Grate area/Heating surface | 1 : 72.96 |
| Firebox/Tube surface | 1 : 7.42 |
| Total/Superheater | 1 : 4.36 |
