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Madrid-Zaragoza & Alicante No. 1801 to 1810
In the thirties, the MZA searched for a fast locomotive that could haul the heaviest express trains. It was developed by MTM as a successor of the series 1701 that had to use the latest advancements in steam locomotiv...
General
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Built | 1939 |
| Manufacturers | MTM |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,668 mm (Iberian broad gauge) |
Dimensions and weights
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Wheelbase | 12.45 m |
| Rigid wheelbase | 5.55 m |
| Total wheelbase | 21.60 m |
| Empty weight | 106 t |
| Service weight | 116 t |
| Adhesive weight | 76 t |
| Axle load | 19 t |
| Total weight | 192 t |
| Water capacity | 34,000 l |
| Fuel capacity | 10 t (coal) |
Boiler
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Grate area | 5 m² |
| Firebox surface | 19.2 m² |
| Tube heating surface | 186.6 m² |
| Evaporative heating surface | 205.8 m² |
| Superheater surface | 116 m² |
| Total heating surface | 321.8 m² |
Power plant
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 20 bar |
| Expansion type | simple expansion |
| Cylinders | two, 560 x 710 mm |
Power
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,200 kW (2,991 PS) |
| Top speed | 115 km/h |
| Starting effort | 216.3 kN |
Calculated values
| Property | Madrid-Zaragoza & Alicante No. 1801 to 1810Remove |
|---|---|
| Factor of adhesion | 1 : 3.45 |
| Optimal speed | 63 km/h |
| Power-to-weight ratio | 19.0 kW/t |
| Heating Surface Equivalent | 533.8 m² |
| Cylinder volume/HSE | 1 : 655.20 |
| Adhesive weight/Total | 1 : 1.53 |
| Tractive force/Heating surface | 1 : 14.04 |
| Grate area/Heating surface | 1 : 64.36 |
| Firebox/Tube surface | 1 : 9.72 |
| Total/Superheater | 1 : 1.77 |
