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Swiss Central Railway Ed 2x2/2
In the last decade of the nineteenth century, the SCB needed more powerful freight locomotives. Since they had to be eight-coupled, but had to run through tight curves like those on the Hauenstein line, they were to b...
| Swiss Central Railway Ed 2x2/2Remove | |
|---|---|
| Variant | |
| Built | 1891 |
| Manufacturers | Maffei |
| Wheel arrangement | BB t ma |
| Gauge | 1435 mm |
| Length | 11517 mm |
| Service mass | 60400 kg |
| Top speed | 55 km/h |
| Power | |
| Engine |
General
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Built | 1891 |
| Manufacturers | Maffei |
| Wheel arrangement | 0-4-4-0T (Four Coupled Mallet) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Length | 11.52 m |
| Empty mass | 48.6 t |
| Service mass | 60.4 t |
| Adhesion mass | 60.4 t |
| Rigid wheelbase | 1.90 m |
| Water capacity | 5,000 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Grate area | 1.8 m² |
| Firebox surface | 7.8 m² |
| Tube heating surface | 113 m² |
| Evaporative heating surface | 120.8 m² |
| Total heating surface | 120.8 m² |
Power plant
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Driver diameter | 1,280 mm |
| Boiler pressure | 12 bar |
| Expansion type | compound |
| Cylinders | four, HP: 355 x 640 mm and LP: 550 x 640 mm |
Power
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Power source | steam |
| Estimated power | 400 kW (544 PS) |
| Top speed | 55 km/h |
| Starting effort | 90.7 kN |
| Starting effort simple | 108.9 kN |
Calculated values
| Property | Swiss Central Railway Ed 2x2/2Remove |
|---|---|
| Factor of adhesion | 1 : 6.53 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 6.6 kW/t |
| Heating Surface Equivalent | 159.8 m² |
| Cylinder volume/HSE | 1 : 1,744.35 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 15.69 |
| Grate area/Heating surface | 1 : 67.11 |
| Firebox/Tube surface | 1 : 14.49 |
