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Santa Fe class 2900
The class 2900 was the last class of 4-8-4 passenger locomotives ordered by the Santa Fe. They numbered 30 and like all previous ones, they were built by Baldwin. Basically the same design as the class 3765, they fell...
General
| Property | Santa Fe class 2900Remove |
|---|---|
| Built | 1944 |
| Manufacturers | Baldwin |
| Wheel arrangement | 4-8-4 (Northern) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Santa Fe class 2900Remove |
|---|---|
| Wheelbase | 15.24 m |
| Rigid wheelbase | 6.48 m |
| Total wheelbase | 32.97 m |
| Service weight | 231.4 t |
| Adhesive weight | 133.3 t |
| Axle load | 35.2 t |
| Total weight | 442.2 t |
| Water capacity | 92,743 l |
| Fuel capacity | 26,498 l (oil) |
Boiler
| Property | Santa Fe class 2900Remove |
|---|---|
| Grate area | 10.034 m² |
| Firebox surface | 44.501 m² |
| Tube heating surface | 449.001 m² |
| Evaporative heating surface | 493.501 m² |
| Superheater surface | 219.809 m² |
| Total heating surface | 713.3 m² |
Power plant
| Property | Santa Fe class 2900Remove |
|---|---|
| Driver diameter | 2,032 mm |
| Boiler pressure | 20.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 711 x 813 mm |
Power
| Property | Santa Fe class 2900Remove |
|---|---|
| Power source | steam |
| Estimated power | 4,101 kW (5,576 PS) |
| Starting effort | 355.7 kN |
Calculated values
| Property | Santa Fe class 2900Remove |
|---|---|
| Factor of adhesion | 1 : 3.68 |
| Optimal speed | 71 km/h |
| Power-to-weight ratio | 17.7 kW/t |
| Heating Surface Equivalent | 1,155.6 m² |
| Cylinder volume/HSE | 1 : 558.82 |
| Adhesive weight/Total | 1 : 1.74 |
| Tractive force/Heating surface | 1 : 10.42 |
| Grate area/Heating surface | 1 : 71.09 |
| Firebox/Tube surface | 1 : 10.09 |
| Total/Superheater | 1 : 2.25 |
