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Jura-Simplon and Swiss Federal Railways B 3/4
Between 1896 and 1902, the Jura-Simplon Railway got 75 2-6-0 locomotives for mixed traffic which had been built by the SLM. They were three-cylinder compounds where the single inside high-pressure cylinder drove the f...
| Jura-Simplon and Swiss Federal Railways B 3/4Remove | |
|---|---|
| Variant | SBB 1301-1369 |
| Built | 1905-1916 |
| Manufacturers | SLM |
| Wheel arrangement | 1C |
| Gauge | 1435 mm |
| Length | 16235 mm |
| Service mass | 56300 kg |
| Top speed | 75 km/h |
| Power | |
| Engine |
General
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Built | 1905-1916 |
| Manufacturers | SLM |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Length | 16.24 m |
| Wheelbase | 6.40 m |
| Total wheelbase | 12.74 m |
| Empty mass | 50.5 t |
| Service mass | 56.3 t |
| Adhesion mass | 45.1 t |
| Total mass | 90.1 t |
| Rigid wheelbase | 3.90 m |
| Axle load | 15.1 t |
| Water capacity | 16,000 l |
| Fuel capacity | 6 t (coal) |
Boiler
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Grate area | 2.3 m² |
| Firebox surface | 12.3 m² |
| Tube heating surface | 99.6 m² |
| Evaporative heating surface | 111.9 m² |
| Superheater surface | 28.6 m² |
| Total heating surface | 140.5 m² |
Power plant
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Driver diameter | 1,520 mm |
| Boiler pressure | 12 bar |
| Expansion type | simple expansion |
| Cylinders | two, 540 x 660 mm |
Power
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Power source | steam |
| Indicated power | 722 kW (982 PS) |
| Top speed | 75 km/h |
| Starting effort | 129.1 kN |
Calculated values
| Property | Jura-Simplon and Swiss Federal Railways B 3/4SBB 1301-1369 |
|---|---|
| Factor of adhesion | 1 : 3.43 |
| Optimal speed | 34 km/h |
| Power-to-weight ratio | 12.8 kW/t |
| Heating Surface Equivalent | 230.6 m² |
| Cylinder volume/HSE | 1 : 1,310.97 |
| Adhesive weight/Total | 1 : 1.25 |
| Tractive force/Heating surface | 1 : 19.20 |
| Grate area/Heating surface | 1 : 61.09 |
| Firebox/Tube surface | 1 : 8.10 |
| Total/Superheater | 1 : 3.91 |
