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Spanish State Railways 240.2471 to 2717
These locomotives were the ultimate development of the Spanish Mastodons. They had a driver diameter of 1,630 mm for mixed traffic and a more powerful boiler with a grate in excess of five square metres and a pressure...
| Spanish State Railways 240.2471 to 2717Remove | |
|---|---|
| Variant | Standard |
| Built | 1935, 1941-1953 |
| Manufacturers | MTM;Euskalduna;Babcock & Wilcox;Devis;MACOSA |
| Wheel arrangement | 2D |
| Gauge | 1668 mm |
| Length | |
| Service mass | 105800 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Built | 1935, 1941-1953 |
| Manufacturers | MTM, Euskalduna, Babcock & Wilcox, Devis, MACOSA |
| Wheel arrangement | 4-8-0 (Twelve-wheeler) |
| Gauge | 1,668 mm |
Dimensions and weights
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Wheelbase | 14.23 m |
| Total wheelbase | 20.45 m |
| Service mass | 105.8 t |
| Adhesion mass | 78.8 t |
| Total mass | 190 t |
| Rigid wheelbase | 6.20 m |
| Axle load | 20.4 t |
| Water capacity | 33,500 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Grate area | 5.25 m² |
| Firebox surface | 18.1 m² |
| Tube heating surface | 215.9 m² |
| Evaporative heating surface | 234 m² |
| Superheater surface | 73.8 m² |
| Total heating surface | 307.8 m² |
Power plant
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Driver diameter | 1,630 mm |
| Boiler pressure | 17 bar |
| Expansion type | simple expansion |
| Cylinders | two, 610 x 710 mm |
Power
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,876 kW (2,551 PS) |
| Starting effort | 234.2 kN |
Calculated values
| Property | Spanish State Railways 240.2471 to 2717 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.30 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 17.7 kW/t |
| Heating Surface Equivalent | 472.1 m² |
| Cylinder volume/HSE | 1 : 879.03 |
| Adhesive weight/Total | 1 : 1.34 |
| Tractive force/Heating surface | 1 : 15.89 |
| Grate area/Heating surface | 1 : 58.63 |
| Firebox/Tube surface | 1 : 11.93 |
| Total/Superheater | 1 : 3.17 |
