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Paris-Orléans No. 4501 to 4600
Around 1905, the PO was looking for more powerful express locomotives, since the existing 4-6-0 locomotives of series 4001 to 4084 had reached their limits. The solution was the 4-6-2 wheel arrangement, also known as ...
| Paris-Orléans No. 4501 to 4600Remove | |
|---|---|
| Variant | |
| Built | 1908-1909 |
| Manufacturers | ALCO |
| Wheel arrangement | 2C1 |
| Gauge | 1435 mm |
| Length | 20785 mm |
| Service mass | 88451 kg |
| Top speed | 120 km/h |
| Power | |
| Engine |
General
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Built | 1908-1909 |
| Manufacturers | ALCO |
| Wheel arrangement | 4-6-2 (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Length | 20.79 m |
| Length loco | 13.41 m |
| Wheelbase | 10.50 m |
| Service mass | 88.5 t |
| Adhesion mass | 55.3 t |
| Total mass | 133.7 t |
| Rigid wheelbase | 3.90 m |
| Water capacity | 20,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Grate area | 4.27 m² |
| Firebox surface | 17.17 m² |
| Tube heating surface | 266.1 m² |
| Evaporative heating surface | 283.27 m² |
| Total heating surface | 283.3 m² |
Power plant
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Driver diameter | 1,850 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 390 x 650 mm and LP: 640 x 650 mm |
Power
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,300 kW (1,768 PS) |
| Top speed | 120 km/h |
| Starting effort | 106.0 kN |
| Starting effort simple | 127.2 kN |
Calculated values
| Property | Paris-Orléans No. 4501 to 4600Remove |
|---|---|
| Factor of adhesion | 1 : 5.12 |
| Optimal speed | 76 km/h |
| Power-to-weight ratio | 14.7 kW/t |
| Heating Surface Equivalent | 369.1 m² |
| Cylinder volume/HSE | 1 : 987.22 |
| Adhesive weight/Total | 1 : 1.60 |
| Tractive force/Heating surface | 1 : 7.82 |
| Grate area/Heating surface | 1 : 66.34 |
| Firebox/Tube surface | 1 : 15.50 |
