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London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”
The Prince of Wales Tanks were 47 4-6-2T tank locomotives which Charles Bowen Cooke had built in Crewe between 1910 and 1916 for the LNWR. As their name suggests, they were referred to as tank versions of the Prince o...
| London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”Remove | |
|---|---|
| Variant | superheated |
| Built | 1910-1916 |
| Manufacturers | Crewe |
| Wheel arrangement | 2C1 t |
| Gauge | 1435 mm |
| Length | |
| Service mass | 78236 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Built | 1910-1916 |
| Manufacturers | Crewe |
| Wheel arrangement | 4-6-2T (Pacific) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Wheelbase | 10.29 m |
| Service mass | 78.2 t |
| Adhesion mass | 44.7 t |
| Rigid wheelbase | 4.27 m |
| Axle load | 16.8 t |
| Water capacity | 7,730 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Grate area | 2.22 m² |
| Firebox surface | 12.821 m² |
| Tube heating surface | 110.741 m² |
| Evaporative heating surface | 123.561 m² |
| Superheater surface | 23.04 m² |
| Total heating surface | 146.6 m² |
Power plant
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Driver diameter | 1,740 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Power source | steam |
| Estimated power | 783 kW (1,065 PS) |
| Starting effort | 100.5 kN |
Calculated values
| Property | London & North Western Prince of Wales Tank class and class 2665 or “5ft 6in Tank (Superheated)”superheated |
|---|---|
| Factor of adhesion | 1 : 4.37 |
| Optimal speed | 48 km/h |
| Power-to-weight ratio | 10.0 kW/t |
| Heating Surface Equivalent | 233.7 m² |
| Cylinder volume/HSE | 1 : 1,145.27 |
| Adhesive weight/Total | 1 : 1.75 |
| Tractive force/Heating surface | 1 : 14.31 |
| Grate area/Heating surface | 1 : 66.04 |
| Firebox/Tube surface | 1 : 8.64 |
| Total/Superheater | 1 : 5.36 |
