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London & South Western class 415 “Radial Tanks”
For the suburban lines in London, William Adams provided his class 46, which had outside cylinders, with an additional trailing axle in order to be able to accommodate larger coal supplies. Since this axle was in a ra...
| London & South Western class 415 “Radial Tanks”Remove | |
|---|---|
| Variant | first batches |
| Built | 1882-1885 |
| Manufacturers | Robert Stephenson & Co.;Dübs & Co.;Neilson & Co.;Beyer, Peacock & Co. |
| Wheel arrangement | 2B1 t |
| Gauge | 1435 mm |
| Length | 11112 mm |
| Service mass | 57000 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Built | 1882-1885 |
| Manufacturers | Robert Stephenson & Co., Dübs & Co., Neilson & Co., Beyer, Peacock & Co. |
| Wheel arrangement | 4-4-2T (Atlantic) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Length | 11.11 m |
| Wheelbase | 8.97 m |
| Service mass | 57 t |
| Adhesion mass | 31.5 t |
| Rigid wheelbase | 2.59 m |
| Axle load | 15.7 t |
| Water capacity | 5,455 l |
| Fuel capacity | 1 t (coal) |
Boiler
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Grate area | 1.682 m² |
| Firebox surface | 10.312 m² |
| Tube heating surface | 87.793 m² |
| Evaporative heating surface | 98.106 m² |
| Total heating surface | 98.1 m² |
Power plant
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Driver diameter | 1,702 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 610 mm |
Power
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Power source | steam |
| Estimated power | 391 kW (532 PS) |
| Starting effort | 58.1 kN |
Calculated values
| Property | London & South Western class 415 “Radial Tanks”first batches |
|---|---|
| Factor of adhesion | 1 : 5.32 |
| Optimal speed | 42 km/h |
| Power-to-weight ratio | 6.9 kW/t |
| Heating Surface Equivalent | 149.7 m² |
| Cylinder volume/HSE | 1 : 1,264.12 |
| Adhesive weight/Total | 1 : 1.81 |
| Tractive force/Heating surface | 1 : 12.36 |
| Grate area/Heating surface | 1 : 58.33 |
| Firebox/Tube surface | 1 : 8.51 |
