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Philadelphia & Reading “Pennsylvania”
The “Pennsylvania” of the Philadelphia & Reading wasn't only the biggest of the camelbacks designed by James Milholland, but also the biggest locomotive in the world when it was completed in 1863. It was a 0-12-0 that...
| Philadelphia & Reading “Pennsylvania”Remove | |
|---|---|
| Variant | Standard |
| Built | 1863 |
| Manufacturers | Reading |
| Wheel arrangement | F t |
| Gauge | 1435 mm |
| Length | |
| Service mass | 50009 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Built | 1863 |
| Manufacturers | Reading |
| Wheel arrangement | 0-12-0T (Twelve-coupled) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Wheelbase | 5.97 m |
| Service mass | 50 t |
| Adhesion mass | 50 t |
| Rigid wheelbase | 5.97 m |
| Axle load | 8.3 t |
Boiler
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Grate area | 2.926 m² |
| Firebox surface | 18.395 m² |
| Tube heating surface | 114.271 m² |
| Evaporative heating surface | 132.666 m² |
| Total heating surface | 132.7 m² |
Power plant
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Driver diameter | 1,092 mm |
| Boiler pressure | 6.9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 373 kW (507 PS) |
| Starting effort | 91.4 kN |
Calculated values
| Property | Philadelphia & Reading “Pennsylvania” Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.36 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 7.5 kW/t |
| Heating Surface Equivalent | 224.6 m² |
| Cylinder volume/HSE | 1 : 1,191.70 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.40 |
| Grate area/Heating surface | 1 : 45.34 |
| Firebox/Tube surface | 1 : 6.21 |
