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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 as built |
|---|---|
| Built | 1910 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Milwaukee Road class F3 as built |
|---|---|
| Wheelbase | 10.85 m |
| Rigid wheelbase | 4.27 m |
| Total wheelbase | 20.47 m |
| Service weight | 112.2 t |
| Adhesive weight | 71.3 t |
| Axle load | 23.8 t |
| Total weight | 174.8 t |
| Water capacity | 26,498 l |
| Fuel capacity | 9.1 t (coal) |
Boiler
| Property | Milwaukee Road class F3 as built |
|---|---|
| Grate area | 4.534 m² |
| Firebox surface | 24.712 m² |
| Tube heating surface | 339.747 m² |
| Evaporative heating surface | 364.459 m² |
| Total heating surface | 364.5 m² |
Power plant
| Property | Milwaukee Road class F3 as built |
|---|---|
| Driver diameter | 2,007 mm |
| Boiler pressure | 13.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 584 x 711 mm |
Power
| Property | Milwaukee Road class F3 as built |
|---|---|
| Power source | steam |
| Estimated power | 1,417 kW (1,927 PS) |
| Starting effort | 141.8 kN |
Calculated values
| Property | Milwaukee Road class F3 as built |
|---|---|
| Factor of adhesion | 1 : 4.93 |
| Optimal speed | 61 km/h |
| Power-to-weight ratio | 12.6 kW/t |
| Heating Surface Equivalent | 488.0 m² |
| Cylinder volume/HSE | 1 : 781.26 |
| Adhesive weight/Total | 1 : 1.57 |
| Tractive force/Heating surface | 1 : 8.12 |
| Grate area/Heating surface | 1 : 80.38 |
| Firebox/Tube surface | 1 : 13.75 |
