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Nilgiri Mountain Railway class X
The Nilgiri Mountain Railway in Southern India had 17 miles of adhesion track and 12 miles equipped with a rack rail of the Abt system. As they needed more powerful locomotives, they ordered the first six X class 0-8-...
| Nilgiri Mountain Railway class XRemove | |
|---|---|
| Variant | Standard |
| Built | 1914-1925, 1952, 2011-2022 |
| Manufacturers | SLM;Golden Rock |
| Wheel arrangement | D1 zt |
| Gauge | 1000 mm |
| Length | 10350 mm |
| Service mass | 48950 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Built | 1914-1925, 1952, 2011-2022 |
| Manufacturers | SLM, Golden Rock |
| Wheel arrangement | 0-8-2RT (River Irt) |
| Gauge | 1,000 mm |
Dimensions and weights
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Length | 10.35 m |
| Wheelbase | 6.03 m |
| Empty mass | 38.3 t |
| Service mass | 49 t |
| Rigid wheelbase | 3.08 m |
| Water capacity | 4,600 l |
| Fuel capacity | 3.1 t (coal) |
Boiler
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Grate area | 1.8 m² |
| Firebox surface | 7.7 m² |
| Tube heating surface | 73.7 m² |
| Evaporative heating surface | 81.4 m² |
| Superheater surface | 22.6 m² |
| Total heating surface | 104.0 m² |
Power plant
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Driver diameter | 815 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 450 x 430 mm and LP: 450 x 410 mm |
Power
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 500 kW (680 PS) |
| Starting effort | 190.0 kN |
| Starting effort simple | 228.0 kN |
Calculated values
| Property | Nilgiri Mountain Railway class X Standard Remove |
|---|---|
| Optimal speed | 24 km/h |
| Power-to-weight ratio | 10.2 kW/t |
| Heating Surface Equivalent | 165.1 m² |
| Cylinder volume/HSE | 1 : 1,223.41 |
| Tractive force/Heating surface | 1 : 38.16 |
| Grate area/Heating surface | 1 : 57.78 |
| Firebox/Tube surface | 1 : 9.57 |
| Total/Superheater | 1 : 3.60 |
