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London & South Western class H15
When the London and South Western Railway urgently needed locomotives for heavy freight trains, chief engineer Robert Urie designed the H15 class as a 4-6-0 locomotive with six feet diameter coupled wheels . The same ...
| London & South Western class H15Remove | |
|---|---|
| Variant | Eastleigh superheater |
| Built | 1914, 1924-1925 |
| Manufacturers | Eastleigh |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | 19983 mm |
| Service mass | 79099 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Built | 1914, 1924-1925 |
| Manufacturers | Eastleigh |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Length | 19.98 m |
| Wheelbase | 8.12 m |
| Total wheelbase | 17.41 m |
| Service mass | 79.1 t |
| Adhesion mass | 59 t |
| Total mass | 137.5 t |
| Rigid wheelbase | 4.19 m |
| Water capacity | 22,731 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Grate area | 2.926 m² |
| Firebox surface | 15.608 m² |
| Tube heating surface | 159.422 m² |
| Evaporative heating surface | 175.029 m² |
| Superheater surface | 28.614 m² |
| Total heating surface | 203.6 m² |
Power plant
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Driver diameter | 1,829 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 711 mm |
Power
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Power source | steam |
| Estimated power | 1,081 kW (1,470 PS) |
| Starting effort | 113.5 kN |
Calculated values
| Property | London & South Western class H15Eastleigh superheater |
|---|---|
| Factor of adhesion | 1 : 5.10 |
| Optimal speed | 58 km/h |
| Power-to-weight ratio | 13.7 kW/t |
| Heating Surface Equivalent | 310.3 m² |
| Cylinder volume/HSE | 1 : 1,024.33 |
| Adhesive weight/Total | 1 : 1.34 |
| Tractive force/Heating surface | 1 : 11.64 |
| Grate area/Heating surface | 1 : 69.60 |
| Firebox/Tube surface | 1 : 10.21 |
| Total/Superheater | 1 : 6.12 |
