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Santa Fe classes 1157 and 3300
The Santa Fe started in 1910 with one of the few attempts to develop a large Mallet with large coupled wheels for use in front of passenger trains. The large wheel diameter resulted in a considerable overall length, w...
General
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Built | 1910 |
| Manufacturers | Baldwin |
| Wheel arrangement | 2-6-6-2 (Mallet Mogul) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Wheelbase | 17.20 m |
| Rigid wheelbase | 4.17 m |
| Total wheelbase | 27.20 m |
| Service weight | 167.9 t |
| Adhesive weight | 137.9 t |
| Axle load | 24.8 t |
| Total weight | 247.2 t |
| Water capacity | 34,069 l |
| Fuel capacity | 10.9 t (coal) |
Boiler
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Grate area | 4.877 m² |
| Firebox surface | 21.739 m² |
| Tube heating surface | 451.509 m² |
| Evaporative heating surface | 473.249 m² |
| Superheater surface | 88.722 m² |
| Total heating surface | 562.0 m² |
Power plant
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Driver diameter | 1,753 mm |
| Boiler pressure | 15.2 bar |
| Expansion type | compound |
| Cylinders | four, HP: 610 x 711 mm and LP: 965 x 711 mm |
Power
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Power source | steam |
| Estimated power | 2,051 kW (2,789 PS) |
| Starting effort | 278.0 kN |
| Starting effort simple | 333.6 kN |
Calculated values
| Property | Santa Fe classes 1157 and 3300 1170 |
|---|---|
| Factor of adhesion | 1 : 4.87 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 12.2 kW/t |
| Heating Surface Equivalent | 759.4 m² |
| Cylinder volume/HSE | 1 : 1,231.94 |
| Adhesive weight/Total | 1 : 1.22 |
| Tractive force/Heating surface | 1 : 10.33 |
| Grate area/Heating surface | 1 : 115.23 |
| Firebox/Tube surface | 1 : 20.77 |
| Total/Superheater | 1 : 5.33 |
