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Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875
The MZA operated a total of 105 4-6-0 locomotives for express service which had been built between 1901 and 1911 by German companies. These were four-cylinder compounds with outside high pressure cylinders behind the ...
| Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875Remove | |
|---|---|
| Variant | superheated |
| Built | 1905-1911 |
| Manufacturers | Henschel;Maffei;Hanomag |
| Wheel arrangement | 2C |
| Gauge | 1668 mm |
| Length | |
| Service mass | 69400 kg |
| Top speed | 115 km/h |
| Power | |
| Engine |
General
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Built | 1905-1911 |
| Manufacturers | Henschel, Maffei, Hanomag |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,668 mm |
Dimensions and weights
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Wheelbase | 7.60 m |
| Total wheelbase | 15.43 m |
| Service mass | 69.4 t |
| Adhesion mass | 47.5 t |
| Total mass | 117.4 t |
| Rigid wheelbase | 4.00 m |
| Axle load | 16.1 t |
| Water capacity | 20,000 l |
| Fuel capacity | 5 t (coal) |
Boiler
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Grate area | 2.74 m² |
| Firebox surface | 13.74 m² |
| Tube heating surface | 104.5 m² |
| Evaporative heating surface | 118.24 m² |
| Superheater surface | 46 m² |
| Total heating surface | 164.2 m² |
Power plant
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 14 bar |
| Expansion type | compound |
| Cylinders | four, HP: 350 x 650 mm and LP: 550 x 650 mm |
Power
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Power source | steam |
| Estimated power | 900 kW (1,224 PS) |
| Top speed | 115 km/h |
| Starting effort | 77.1 kN |
| Starting effort simple | 92.5 kN |
Calculated values
| Property | Madrid-Saragossa & Alicante No. 651 to 680 and 801 to 875superheated |
|---|---|
| Factor of adhesion | 1 : 5.04 |
| Optimal speed | 71 km/h |
| Power-to-weight ratio | 13.0 kW/t |
| Heating Surface Equivalent | 278.9 m² |
| Cylinder volume/HSE | 1 : 1,002.02 |
| Adhesive weight/Total | 1 : 1.46 |
| Tractive force/Heating surface | 1 : 11.76 |
| Grate area/Heating surface | 1 : 59.94 |
| Firebox/Tube surface | 1 : 7.61 |
| Total/Superheater | 1 : 2.57 |
