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Finnish Railway class B1
Of a total of nine 0-4-2ST saddle tank locomotives operated by the Finnish State Railways, eight were of the type B1 shown here. They were built by Beyer, Peacock of Manchester for shunting service along the Riihimaki...
| Finnish Railway class B1Remove | |
|---|---|
| Variant | Standard |
| Built | 1868-1890 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | B1 st |
| Gauge | 1524 mm |
| Length | |
| Service mass | 26417 kg |
| Top speed | 60 km/h |
| Power | |
| Engine |
General
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Built | 1868-1890 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 0-4-2ST |
| Gauge | 1,524 mm |
Dimensions and weights
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Wheelbase | 4.14 m |
| Service mass | 26.4 t |
| Adhesion mass | 19.6 t |
| Rigid wheelbase | 4.14 m |
| Axle load | 9.8 t |
| Water capacity | 2,911 l |
| Fuel capacity | 2 t (coal) |
Boiler
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Grate area | 0.95 m² |
| Evaporative heating surface | 62.71 m² |
| Total heating surface | 62.7 m² |
Power plant
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Driver diameter | 1,245 mm |
| Boiler pressure | 8.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 356 x 508 mm |
Power
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 149 kW (203 PS) |
| Top speed | 60 km/h |
| Starting effort | 36.3 kN |
Calculated values
| Property | Finnish Railway class B1 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.30 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 5.6 kW/t |
| Adhesive weight/Total | 1 : 1.35 |
| Tractive force/Heating surface | 1 : 12.09 |
| Grate area/Heating surface | 1 : 66.01 |
