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Pennsylvania class I
After Baldwin's first Consolidation locomotives were not well received by American railroads, this wheel arrangement had a breakthrough in 1875 when the PRR made it its standard freight locomotive. It started with cla...
| Pennsylvania class IRemove | |
|---|---|
| Variant | Standard |
| Built | ab 1875 |
| Manufacturers | Altoona |
| Wheel arrangement | 1D |
| Gauge | 1257 mm |
| Length | 17796 mm |
| Service mass | 42048 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Built | ab 1875 |
| Manufacturers | Altoona |
| Wheel arrangement | 2-8-0 (Consolidation) |
| Gauge | 1,257 mm |
Dimensions and weights
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Length | 17.80 m |
| Wheelbase | 6.73 m |
| Total wheelbase | 14.89 m |
| Empty mass | 38.6 t |
| Service mass | 42 t |
| Adhesion mass | 36.5 t |
| Total mass | 72.7 t |
| Rigid wheelbase | 4.17 m |
| Axle load | 10.1 t |
| Water capacity | 11,356 l |
| Fuel capacity | 5.4 t (coal) |
Boiler
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Grate area | 2.137 m² |
| Firebox surface | 8.547 m² |
| Tube heating surface | 108.325 m² |
| Evaporative heating surface | 116.872 m² |
| Total heating surface | 116.9 m² |
Power plant
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Driver diameter | 1,270 mm |
| Boiler pressure | 8.6 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 610 mm |
Power
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 354 kW |
| Starting effort | 90.7 kN |
Calculated values
| Property | Pennsylvania class I Standard Remove |
|---|---|
| Factor of adhesion | 1 : 3.95 |
| Optimal speed | 24 km/h |
| Power-to-weight ratio | 8.4 kW/t |
| Heating Surface Equivalent | 159.6 m² |
| Cylinder volume/HSE | 1 : 1,548.25 |
| Adhesive weight/Total | 1 : 1.15 |
| Tractive force/Heating surface | 1 : 16.22 |
| Grate area/Heating surface | 1 : 54.69 |
| Firebox/Tube surface | 1 : 12.67 |
