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Pennsylvania class E3
The E3 was an Atlantic that was built by the PRR parallel to its E2 that was largely similar, but had larger cylinders. Between 1901 and 1910, a total of eight E3, 114 E3a and 56 E3d were built in the Juniata shops at...
| Pennsylvania class E3Remove | |
|---|---|
| Variant | rebuilt E3sd |
| Built | 1912-1914 |
| Manufacturers | Altoona |
| Wheel arrangement | 2B1 |
| Gauge | 1435 mm |
| Length | |
| Service mass | 94665 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Built | 1912-1914 |
| Manufacturers | Altoona |
| Wheel arrangement | 4-4-2 (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Wheelbase | 9.39 m |
| Total wheelbase | 18.45 m |
| Service mass | 94.7 t |
| Adhesion mass | 58.5 t |
| Total mass | 163.6 t |
| Rigid wheelbase | 2.26 m |
| Axle load | 30.6 t |
| Water capacity | 21,955 l |
| Fuel capacity | 12.7 t (coal) |
Boiler
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Grate area | 5.156 m² |
| Firebox surface | 17.373 m² |
| Tube heating surface | 172.242 m² |
| Evaporative heating surface | 189.615 m² |
| Superheater surface | 38.276 m² |
| Total heating surface | 227.9 m² |
Power plant
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Driver diameter | 2,032 mm |
| Boiler pressure | 13.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 660 mm |
Power
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Power source | steam |
| Estimated power | 1,268 kW (1,724 PS) |
| Starting effort | 116.0 kN |
Calculated values
| Property | Pennsylvania class E3rebuilt E3sd |
|---|---|
| Factor of adhesion | 1 : 4.95 |
| Optimal speed | 68 km/h |
| Power-to-weight ratio | 13.4 kW/t |
| Heating Surface Equivalent | 353.0 m² |
| Cylinder volume/HSE | 1 : 917.54 |
| Adhesive weight/Total | 1 : 1.62 |
| Tractive force/Heating surface | 1 : 10.63 |
| Grate area/Heating surface | 1 : 44.20 |
| Firebox/Tube surface | 1 : 9.91 |
| Total/Superheater | 1 : 4.95 |
