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Paris-Lyon-Méditerranée 241 A and D
The PLM operated some main lines on which important express trains with high passenger numbers had to be hauled. One of these was the north-south connection from Calais to the Riviera, on which the “Train Bleu” ran wi...
| Paris-Lyon-Méditerranée 241 A and DRemove | |
|---|---|
| Variant | 241 A |
| Built | 1925, 1927-1932 |
| Manufacturers | Schneider;Homécourt |
| Wheel arrangement | 2D1 |
| Gauge | 1435 mm |
| Length | 25000 mm |
| Service mass | 115250 kg |
| Top speed | 110 km/h |
| Power | |
| Engine |
General
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Built | 1925, 1927-1932 |
| Manufacturers | Schneider, Homécourt |
| Wheel arrangement | 4-8-2 (Mountain) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Length | 25.00 m |
| Length loco | 16.45 m |
| Wheelbase | 13.10 m |
| Empty mass | 103.1 t |
| Service mass | 115.3 t |
| Adhesion mass | 74 t |
| Total mass | 195 t |
| Rigid wheelbase | 5.85 m |
| Axle load | 18.5 t |
| Water capacity | 30,000 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Grate area | 5 m² |
| Firebox surface | 23.7 m² |
| Tube heating surface | 222.46 m² |
| Evaporative heating surface | 246.16 m² |
| Superheater surface | 86.55 m² |
| Total heating surface | 332.7 m² |
Power plant
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Driver diameter | 1,790 mm |
| Boiler pressure | 16 bar |
| Expansion type | compound |
| Cylinders | four, HP: 510 x 650 mm and LP: 720 x 700 mm |
Power
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Power source | steam |
| Indicated power | 1,971 kW (2,680 PS) |
| Top speed | 110 km/h |
| Starting effort | 175.3 kN |
| Starting effort simple | 210.3 kN |
Calculated values
| Property | Paris-Lyon-Méditerranée 241 A and D241 A |
|---|---|
| Factor of adhesion | 1 : 4.14 |
| Optimal speed | 69 km/h |
| Power-to-weight ratio | 17.1 kW/t |
| Heating Surface Equivalent | 537.8 m² |
| Cylinder volume/HSE | 1 : 1,023.82 |
| Adhesive weight/Total | 1 : 1.56 |
| Tractive force/Heating surface | 1 : 11.00 |
| Grate area/Heating surface | 1 : 66.54 |
| Firebox/Tube surface | 1 : 9.39 |
| Total/Superheater | 1 : 2.84 |
