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Paris-Lyon-Méditerranée No. 4701 to 4982
For fast freight trains on the line through the Cevennes, the PLM opted for the 4-8-0 wheel arrangement, which still allowed a large boiler with a low axle load and good curve guidance. The only problem was the narrow...
| Paris-Lyon-Méditerranée No. 4701 to 4982Remove | |
|---|---|
| Variant | as built |
| Built | 1907-1910 |
| Manufacturers | Franco-Belge;SFCM;Schneider;Batignolles-Châtillon |
| Wheel arrangement | 2D |
| Gauge | 1435 mm |
| Length | 19895 mm |
| Service mass | 74600 kg |
| Top speed | 85 km/h |
| Power | |
| Engine |
General
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Built | 1907-1910 |
| Manufacturers | Franco-Belge, SFCM, Schneider, Batignolles-Châtillon |
| Wheel arrangement | 4-8-0 (Twelve-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Length | 19.90 m |
| Length loco | 12.95 m |
| Wheelbase | 9.25 m |
| Total wheelbase | 14.10 m |
| Empty mass | 68 t |
| Service mass | 74.6 t |
| Adhesion mass | 56 t |
| Rigid wheelbase | 5.50 m |
| Axle load | 14 t |
| Water capacity | 20,000 l |
Boiler
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Grate area | 3.08 m² |
| Firebox surface | 15.8 m² |
| Tube heating surface | 231.8 m² |
| Evaporative heating surface | 247.6 m² |
| Total heating surface | 247.6 m² |
Power plant
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Driver diameter | 1,500 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 380 x 650 mm and LP: 600 x 650 mm |
Power
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Power source | steam |
| Estimated power | 850 kW (1,156 PS) |
| Top speed | 85 km/h |
| Starting effort | 121.5 kN |
| Starting effort simple | 145.8 kN |
Calculated values
| Property | Paris-Lyon-Méditerranée No. 4701 to 4982as built |
|---|---|
| Factor of adhesion | 1 : 4.52 |
| Optimal speed | 43 km/h |
| Power-to-weight ratio | 11.4 kW/t |
| Heating Surface Equivalent | 326.6 m² |
| Cylinder volume/HSE | 1 : 1,014.14 |
| Adhesive weight/Total | 1 : 1.33 |
| Tractive force/Heating surface | 1 : 10.25 |
| Grate area/Heating surface | 1 : 80.39 |
| Firebox/Tube surface | 1 : 14.67 |
