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Swedish State Railways B (II)
Under the impression of the Prussian P 8, the class A (II) Atlantic was developed into the B (II) with the wheel arrangement 4-6-0. The SJ had 96 locomotives built between 1909 and 1919. With the advancing electrifica...
| Swedish State Railways B (II)Remove | |
|---|---|
| Variant | standard |
| Built | 1909-1919, 1943-1944 |
| Manufacturers | NoHAB;Motala Verkstad;VoM |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 19490 mm |
| Service mass | 70200 kg |
| Top speed | 90 km/h |
| Power | |
| Engine |
General
| Property | Swedish State Railways B (II)standard |
|---|---|
| Built | 1909-1919, 1943-1944 |
| Manufacturers | NoHAB, Motala Verkstad, VoM |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Swedish State Railways B (II)standard |
|---|---|
| Length | 19.49 m |
| Wheelbase | 11.38 m |
| Empty mass | 63.7 t |
| Service mass | 70.2 t |
| Adhesion mass | 47.7 t |
| Total mass | 103 t |
| Rigid wheelbase | 4.25 m |
| Axle load | 15.9 t |
| Water capacity | 14,000 l |
| Fuel capacity | 5.2 t (coal) |
Boiler
| Property | Swedish State Railways B (II)standard |
|---|---|
| Grate area | 2.6 m² |
| Firebox surface | 12.7 m² |
| Tube heating surface | 158.2 m² |
| Evaporative heating surface | 170.9 m² |
| Superheater surface | 50.7 m² |
| Total heating surface | 221.6 m² |
Power plant
| Property | Swedish State Railways B (II)standard |
|---|---|
| Driver diameter | 1,750 mm |
| Boiler pressure | 11.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 590 x 620 mm |
Power
| Property | Swedish State Railways B (II)standard |
|---|---|
| Power source | steam |
| Estimated power | 825 kW (1,122 PS) |
| Top speed | 90 km/h |
| Starting effort | 123.7 kN |
Calculated values
| Property | Swedish State Railways B (II)standard |
|---|---|
| Factor of adhesion | 1 : 3.78 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 11.8 kW/t |
| Heating Surface Equivalent | 335.8 m² |
| Cylinder volume/HSE | 1 : 1,009.57 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 11.66 |
| Grate area/Heating surface | 1 : 85.23 |
| Firebox/Tube surface | 1 : 12.46 |
| Total/Superheater | 1 : 3.37 |
