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Pennsylvania class L
The last 4-4-0 locomotives the PRR procured was the class L, which was soon renamed D16. It was derived from the class P or D14, but had a higher mounted boiler with a larger Belpaire firebox . The D16 with 68-inch wh...
| Pennsylvania class LRemove | |
|---|---|
| Variant | D16sb |
| Built | 1914 |
| Manufacturers | Altoona |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | 19029 mm |
| Service mass | 64456 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Pennsylvania class LD16sb |
|---|---|
| Built | 1914 |
| Manufacturers | Altoona |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Pennsylvania class LD16sb |
|---|---|
| Length | 19.03 m |
| Wheelbase | 6.95 m |
| Total wheelbase | 16.77 m |
| Service mass | 64.5 t |
| Adhesion mass | 44.5 t |
| Total mass | 127.5 t |
| Rigid wheelbase | 2.36 m |
| Axle load | 23.6 t |
| Water capacity | 21,198 l |
| Fuel capacity | 11.8 t (coal) |
Boiler
| Property | Pennsylvania class LD16sb |
|---|---|
| Grate area | 3.084 m² |
| Firebox surface | 16.815 m² |
| Tube heating surface | 113.249 m² |
| Evaporative heating surface | 130.064 m² |
| Superheater surface | 23.504 m² |
| Total heating surface | 153.6 m² |
Power plant
| Property | Pennsylvania class LD16sb |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 521 x 660 mm |
Power
| Property | Pennsylvania class LD16sb |
|---|---|
| Power source | steam |
| Estimated power | 932 kW (1,267 PS) |
| Starting effort | 106.3 kN |
Calculated values
| Property | Pennsylvania class LD16sb |
|---|---|
| Factor of adhesion | 1 : 4.11 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 14.5 kW/t |
| Heating Surface Equivalent | 261.1 m² |
| Cylinder volume/HSE | 1 : 1,077.00 |
| Adhesive weight/Total | 1 : 1.45 |
| Tractive force/Heating surface | 1 : 14.46 |
| Grate area/Heating surface | 1 : 49.80 |
| Firebox/Tube surface | 1 : 6.73 |
| Total/Superheater | 1 : 5.53 |
