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Central de Aragón No. 201 to 206
For the expected increase in traffic towards the French border, the Central de Aragón ordered two types of Garratts for express and freight traffic. The locomotives for freight service were designed as double Mikados ...
| Central de Aragón No. 201 to 206Remove | |
|---|---|
| Variant | |
| Built | 1931 |
| Manufacturers | Babcock & Wilcox |
| Wheel arrangement | (1D1)(1D1) t ga |
| Gauge | 1668 mm |
| Length | 25360 mm |
| Service mass | 164000 kg |
| Top speed | 60 km/h |
| Power | |
| Engine |
General
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Built | 1931 |
| Manufacturers | Babcock & Wilcox |
| Wheel arrangement | 2-8-2+2-8-2T (Double Mikado (Garratt)) |
| Gauge | 1,668 mm |
Dimensions and weights
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Length | 25.36 m |
| Wheelbase | 22.50 m |
| Service mass | 164 t |
| Adhesion mass | 109.7 t |
| Rigid wheelbase | 5.50 m |
| Axle load | 13.7 t |
| Water capacity | 22,000 l |
Boiler
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Grate area | 4.2 m² |
| Firebox surface | 15.89 m² |
| Tube heating surface | 180.9 m² |
| Evaporative heating surface | 196.79 m² |
| Superheater surface | 68.4 m² |
| Total heating surface | 265.2 m² |
Power plant
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Driver diameter | 1,200 mm |
| Boiler pressure | 14.7 bar |
| Expansion type | simple expansion |
| Cylinders | four, 440 x 610 mm |
Power
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,400 kW (1,903 PS) |
| Top speed | 60 km/h |
| Starting effort | 245.9 kN |
Calculated values
| Property | Central de Aragón No. 201 to 206Remove |
|---|---|
| Factor of adhesion | 1 : 4.38 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 8.5 kW/t |
| Heating Surface Equivalent | 413.0 m² |
| Cylinder volume/HSE | 1 : 898.24 |
| Adhesive weight/Total | 1 : 1.49 |
| Tractive force/Heating surface | 1 : 19.37 |
| Grate area/Heating surface | 1 : 63.14 |
| Firebox/Tube surface | 1 : 11.38 |
| Total/Superheater | 1 : 2.88 |
