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London & North Western 5ft 6in Tank
The 5ft 6in Tank was a 2-4-2T locomotive designed by Webb for fast passenger service. In general, it was a tank version of Webb's Precursor class. The wheels actually had a diameter of 5 feet and 8½ inches with tires ...
| London & North Western 5ft 6in TankRemove | |
|---|---|
| Variant | Standard |
| Built | 1890-1897 |
| Manufacturers | Crewe |
| Wheel arrangement | 1B1 wt |
| Gauge | 1435 mm |
| Length | |
| Service mass | 51818 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Built | 1890-1897 |
| Manufacturers | Crewe |
| Wheel arrangement | 2-4-2WT (Columbia) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Wheelbase | 6.83 m |
| Service mass | 51.8 t |
| Adhesion mass | 29.4 t |
| Rigid wheelbase | 2.52 m |
| Axle load | 15.1 t |
| Water capacity | 6,136 l |
| Fuel capacity | 3 t (coal) |
Boiler
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Grate area | 1.589 m² |
| Firebox surface | 8.789 m² |
| Tube heating surface | 91.045 m² |
| Evaporative heating surface | 99.834 m² |
| Total heating surface | 99.8 m² |
Power plant
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Driver diameter | 1,740 mm |
| Boiler pressure | 10.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 373 kW (507 PS) |
| Starting effort | 57.4 kN |
Calculated values
| Property | London & North Western 5ft 6in Tank Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.02 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 7.2 kW/t |
| Heating Surface Equivalent | 143.8 m² |
| Cylinder volume/HSE | 1 : 1,241.75 |
| Adhesive weight/Total | 1 : 1.76 |
| Tractive force/Heating surface | 1 : 12.01 |
| Grate area/Heating surface | 1 : 62.83 |
| Firebox/Tube surface | 1 : 10.36 |
