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Madras & Southern Mahratta No. 500 to 503
In 1925, the Madras & Southern Mahratta Railway got four 4-8-0 locomotives for their metre-gauge network which had been designed by Messrs. Rendel, Palmer & Tritton. They were built by W.G. Bagnall and got the numbers...
General
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Built | 1925 |
| Manufacturers | W.G. Bagnall |
| Wheel arrangement | 4-8-0 (Twelve-wheeler) |
| Gauge | 1,000 mm (Meter gauge) |
Dimensions and weights
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Length | 15.98 m |
| Wheelbase | 6.25 m |
| Rigid wheelbase | 3.66 m |
| Total wheelbase | 12.87 m |
| Empty weight | 39.3 t |
| Service weight | 43.4 t |
| Adhesive weight | 35.1 t |
| Axle load | 8.5 t |
| Total weight | 73.1 t |
| Water capacity | 12,049 l |
| Fuel capacity | 4.6 t (coal) |
Boiler
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Grate area | 1.542 m² |
| Firebox surface | 11.52 m² |
| Tube heating surface | 72.929 m² |
| Evaporative heating surface | 84.449 m² |
| Superheater surface | 13.935 m² |
| Total heating surface | 98.4 m² |
Power plant
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Driver diameter | 1,092 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 559 mm |
Power
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Power source | steam |
| Estimated power | 559 kW (760 PS) |
| Starting effort | 89.4 kN |
Calculated values
| Property | Madras & Southern Mahratta No. 500 to 503Remove |
|---|---|
| Factor of adhesion | 1 : 3.84 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 12.9 kW/t |
| Heating Surface Equivalent | 169.9 m² |
| Cylinder volume/HSE | 1 : 963.16 |
| Adhesive weight/Total | 1 : 1.24 |
| Tractive force/Heating surface | 1 : 18.99 |
| Grate area/Heating surface | 1 : 63.80 |
| Firebox/Tube surface | 1 : 6.33 |
| Total/Superheater | 1 : 6.06 |
