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Ferrovie Nord Milano class 290
Although the FNM also operated an electrified suburban network around Milan, steam locomotives were needed for the more distant destinations. A tank locomotive was commissioned to speed up traffic, which should combin...
| Ferrovie Nord Milano class 290Remove | |
|---|---|
| Variant | Standard |
| Built | 1931 |
| Manufacturers | CEMSA |
| Wheel arrangement | 1C2 t |
| Gauge | 1435 mm |
| Length | 14650 mm |
| Service mass | 96000 kg |
| Top speed | 100 km/h |
| Power | |
| Engine |
General
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Built | 1931 |
| Manufacturers | CEMSA |
| Wheel arrangement | 2-6-4T (Adriatic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Length | 14.65 m |
| Wheelbase | 11.15 m |
| Empty mass | 77 t |
| Service mass | 96 t |
| Adhesion mass | 49.5 t |
| Rigid wheelbase | 3.90 m |
| Axle load | 16.5 t |
| Water capacity | 9,000 l |
| Fuel capacity | 2.5 t (coal) |
Boiler
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Grate area | 3.1 m² |
| Evaporative heating surface | 149 m² |
| Superheater surface | 52 m² |
| Total heating surface | 201.0 m² |
Power plant
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Driver diameter | 1,620 mm |
| Boiler pressure | 16 bar |
| Expansion type | simple expansion |
| Cylinders | three, 450 x 660 mm |
Power
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Power source | steam |
| Indicated power | 780 kW (1,061 PS) |
| Top speed | 100 km/h |
| Starting effort | 168.3 kN |
Calculated values
| Property | Ferrovie Nord Milano class 290 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 2.89 |
| Optimal speed | 29 km/h |
| Power-to-weight ratio | 8.1 kW/t |
| Adhesive weight/Total | 1 : 1.94 |
| Tractive force/Heating surface | 1 : 17.49 |
| Grate area/Heating surface | 1 : 64.84 |
| Total/Superheater | 1 : 2.87 |
