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Paris-Lyon-Méditerranée No. 1 to 680
Between 1918 and 1927, the PLM received 490 four-cylinder compound Mikados which had been inspired by earlier Mikados built by the SFCM and Baldwin. The first 20 had been built by the Swiss SLM, but all others came fr...
General
| Property | Paris-Lyon-Méditerranée No. 1 to 680Remove |
|---|---|
| Built | 1918-1927, 1933-1934 |
| Manufacturers | SLM, Schneider, SFCM, Fives-Lille, Blanc-Misseron |
| Wheel arrangement | 2-8-2 (Mikado) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Paris-Lyon-Méditerranée No. 1 to 680Remove |
|---|---|
| Length | 22.74 m |
| Length loco | 13.81 m |
| Wheelbase | 11.05 m |
| Rigid wheelbase | 5.40 m |
| Total wheelbase | 16.30 m |
| Service weight | 97.1 t |
| Adhesive weight | 70.4 t |
| Axle load | 17.8 t |
| Water capacity | 25,000 l |
| Fuel capacity | 7 t (coal) |
Boiler
| Property | Paris-Lyon-Méditerranée No. 1 to 680Remove |
|---|---|
| Grate area | 4.25 m² |
| Firebox surface | 15.67 m² |
| Tube heating surface | 204.62 m² |
| Evaporative heating surface | 220.29 m² |
| Superheater surface | 70.63 m² |
| Total heating surface | 290.9 m² |
Power plant
| Property | Paris-Lyon-Méditerranée No. 1 to 680Remove |
|---|---|
| Driver diameter | 1,650 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 No. 1 to 680Remove |
|---|---|
| Power source | steam |
| Indicated power | 1,435 kW (1,951 PS) |
| Top speed | 95 km/h |
| Starting effort | 190.1 kN |
| Starting effort simple | 228.1 kN |
Calculated values
| Property | Paris-Lyon-Méditerranée No. 1 to 680Remove |
|---|---|
| Factor of adhesion | 1 : 3.63 |
| Optimal speed | 47 km/h |
| Power-to-weight ratio | 14.8 kW/t |
| Heating Surface Equivalent | 439.9 m² |
| Cylinder volume/HSE | 1 : 1,251.58 |
| Adhesive weight/Total | 1 : 1.38 |
| Tractive force/Heating surface | 1 : 13.65 |
| Grate area/Heating surface | 1 : 68.45 |
| Firebox/Tube surface | 1 : 13.06 |
| Total/Superheater | 1 : 3.12 |
