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London & North Western 19in Express Goods class
By reducing the driving wheel diameter from 75 to 62.5 inches, George Whale, superintendent at the LNWR, developed a locomotive for mixed service from his Experiment class. The resulting class reached a total of 170 a...
| London & North Western 19in Express Goods classRemove | |
|---|---|
| Variant | Standard |
| Built | 1906-1909 |
| Manufacturers | Crewe |
| Wheel arrangement | 2C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 64011 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Built | 1906-1909 |
| Manufacturers | Crewe |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Wheelbase | 8.14 m |
| Service mass | 64 t |
| Adhesion mass | 44.7 t |
| Total mass | 101.6 t |
| Rigid wheelbase | 4.14 m |
| Axle load | 16.3 t |
| Water capacity | 13,639 l |
| Fuel capacity | 6.1 t (coal) |
Boiler
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Grate area | 2.323 m² |
| Firebox surface | 13.406 m² |
| Tube heating surface | 171.007 m² |
| Evaporative heating surface | 184.413 m² |
| Total heating surface | 184.4 m² |
Power plant
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Driver diameter | 1,588 mm |
| Boiler pressure | 12.8 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 105.0 kN |
Calculated values
| Property | London & North Western 19in Express Goods class Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.18 |
| Optimal speed | 39 km/h |
| Power-to-weight ratio | 10.5 kW/t |
| Heating Surface Equivalent | 251.4 m² |
| Cylinder volume/HSE | 1 : 960.86 |
| Adhesive weight/Total | 1 : 1.43 |
| Tractive force/Heating surface | 1 : 11.90 |
| Grate area/Heating surface | 1 : 79.39 |
| Firebox/Tube surface | 1 : 12.76 |
