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South Eastern & Chatham class H
When the South Eastern & Chatham needed new suburban tank locomotives for the south of London, Harry Wainwright used the existing 0-4-4T locomotives of the SECR's constituents as an inspiration. These were the SER's c...
General
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Built | 1904-1909, 1915 |
| Manufacturers | Ashford |
| Wheel arrangement | 0-4-4T (Forney) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Length | 10.03 m |
| Service weight | 55.3 t |
| Adhesive weight | 34.1 t |
| Axle load | 17.1 t |
| Water capacity | 6,136 l |
| Fuel capacity | 1.5 t (coal) |
Boiler
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Grate area | 1.549 m² |
| Firebox surface | 9.499 m² |
| Tube heating surface | 93.159 m² |
| Evaporative heating surface | 102.658 m² |
| Total heating surface | 102.7 m² |
Power plant
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 660 mm |
Power
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Power source | steam |
| Estimated power | 447 kW (608 PS) |
| Starting effort | 77.2 kN |
Calculated values
| Property | South Eastern & Chatham class HRemove |
|---|---|
| Factor of adhesion | 1 : 4.34 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 8.1 kW/t |
| Heating Surface Equivalent | 150.2 m² |
| Cylinder volume/HSE | 1 : 1,444.13 |
| Adhesive weight/Total | 1 : 1.62 |
| Tractive force/Heating surface | 1 : 15.71 |
| Grate area/Heating surface | 1 : 66.27 |
| Firebox/Tube surface | 1 : 9.81 |
