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Milwaukee Road class F3
Although the Milwaukee Road had already procured its first few Pacifics in 1893, the Atlantics had still to haul the fastest trains for the time being. However, when they got problems with trains of ten to 14 cars, th...
General
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Built | 1940-1941 |
| Manufacturers | Milwaukee |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Wheelbase | 10.85 m |
| Rigid wheelbase | 4.27 m |
| Total wheelbase | 20.54 m |
| Service weight | 129 t |
| Adhesive weight | 86.8 t |
| Axle load | 28.9 t |
| Total weight | 199.7 t |
| Water capacity | 32,176 l |
| Fuel capacity | 11.8 t (coal) |
Boiler
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Grate area | 5.556 m² |
| Firebox surface | 25.548 m² |
| Tube heating surface | 234.952 m² |
| Evaporative heating surface | 260.5 m² |
| Superheater surface | 57.6 m² |
| Total heating surface | 318.1 m² |
Power plant
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Driver diameter | 2,007 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 597 x 711 mm |
Power
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Power source | steam |
| Estimated power | 1,790 kW (2,434 PS) |
| Starting effort | 148.0 kN |
Calculated values
| Property | Milwaukee Road class F3 rebuilt F3-as |
|---|---|
| Factor of adhesion | 1 : 5.75 |
| Optimal speed | 74 km/h |
| Power-to-weight ratio | 13.9 kW/t |
| Heating Surface Equivalent | 503.4 m² |
| Cylinder volume/HSE | 1 : 790.62 |
| Adhesive weight/Total | 1 : 1.49 |
| Tractive force/Heating surface | 1 : 9.72 |
| Grate area/Heating surface | 1 : 57.25 |
| Firebox/Tube surface | 1 : 9.20 |
| Total/Superheater | 1 : 4.52 |
