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Swiss Central Railway Eb 2/4
The SCB ordered three types of Engerth locomotives for express, passenger and freight service. The express locomotive was the Eb 2/4 that had two driving axles at the front with a wheel diameter of 1,525 mm and a two-...
| Swiss Central Railway Eb 2/4Remove | |
|---|---|
| Variant | new boiler |
| Built | 1857, 1859, 1872 |
| Manufacturers | Esslingen |
| Wheel arrangement | B2 t eng |
| Gauge | 1435 mm |
| Length | 9960 mm |
| Service mass | 38200 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Built | 1857, 1859, 1872 |
| Manufacturers | Esslingen |
| Wheel arrangement | 0-4-4T (Engerth) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Length | 9.96 m |
| Empty mass | 29 t |
| Service mass | 38.2 t |
| Adhesion mass | 22 t |
| Rigid wheelbase | 2.25 m |
| Axle load | 11 t |
| Water capacity | 4,100 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Grate area | 1 m² |
| Firebox surface | 6.5 m² |
| Tube heating surface | 78.9 m² |
| Evaporative heating surface | 85.4 m² |
| Total heating surface | 85.4 m² |
Power plant
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Driver diameter | 1,525 mm |
| Boiler pressure | 10 bar |
| Expansion type | simple expansion |
| Cylinders | two, 360 x 561 mm |
Power
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Power source | steam |
| Estimated power | 150 kW (204 PS) |
| Starting effort | 40.5 kN |
Calculated values
| Property | Swiss Central Railway Eb 2/4new boiler |
|---|---|
| Factor of adhesion | 1 : 5.33 |
| Optimal speed | 23 km/h |
| Power-to-weight ratio | 3.9 kW/t |
| Heating Surface Equivalent | 117.9 m² |
| Cylinder volume/HSE | 1 : 968.67 |
| Adhesive weight/Total | 1 : 1.74 |
| Tractive force/Heating surface | 1 : 9.91 |
| Grate area/Heating surface | 1 : 85.40 |
| Firebox/Tube surface | 1 : 12.14 |
