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US Railroad Administration Light Santa Fe
The USRA Light Santa Fe was produced in smaller numbers than its heavy sister. Compared to this, it had drivers which were six inches smaller and a cylinder diameter that was three inches smaller. It shared the firebo...
| US Railroad Administration Light Santa FeRemove | |
|---|---|
| Variant | Standard |
| Built | 1918-1919 |
| Manufacturers | ALCO;Baldwin |
| Wheel arrangement | 1E1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 159665 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Built | 1918-1919 |
| Manufacturers | ALCO, Baldwin |
| Wheel arrangement | 2-10-2 (Santa Fé) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Length loco | 16.10 m |
| Wheelbase | 12.29 m |
| Total wheelbase | 23.15 m |
| Service mass | 159.7 t |
| Adhesion mass | 124.3 t |
| Total mass | 245.1 t |
| Rigid wheelbase | 6.40 m |
| Axle load | 27.2 t |
| Water capacity | 37,854 l |
| Fuel capacity | 14.5 t (coal) |
Boiler
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Grate area | 7.089 m² |
| Firebox surface | 34.653 m² |
| Tube heating surface | 398.833 m² |
| Evaporative heating surface | 433.486 m² |
| Superheater surface | 100.8 m² |
| Total heating surface | 534.3 m² |
Power plant
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Driver diameter | 1,448 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 686 x 813 mm |
Power
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 2,535 kW (3,447 PS) |
| Starting effort | 309.5 kN |
Calculated values
| Property | US Railroad Administration Light Santa Fe Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.94 |
| Optimal speed | 50 km/h |
| Power-to-weight ratio | 15.9 kW/t |
| Heating Surface Equivalent | 808.4 m² |
| Cylinder volume/HSE | 1 : 742.85 |
| Adhesive weight/Total | 1 : 1.28 |
| Tractive force/Heating surface | 1 : 12.10 |
| Grate area/Heating surface | 1 : 75.37 |
| Firebox/Tube surface | 1 : 11.51 |
| Total/Superheater | 1 : 4.30 |
