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Glasgow & South Western class 540
At a time when the Glasgow & South Western needed a much more powerful express locomotive, Robert Whitelegg had just come from the London, Tilbury & Southend as new Chief Mechanical Engineer. He had been an advocate o...
General
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Built | 1922 |
| Manufacturers | North British |
| Wheel arrangement | 4-6-4T (Hudson) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Wheelbase | 11.89 m |
| Rigid wheelbase | 4.01 m |
| Service weight | 100.7 t |
| Adhesive weight | 54.9 t |
| Axle load | 18.3 t |
| Water capacity | 10,910 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Grate area | 2.787 m² |
| Firebox surface | 14.493 m² |
| Tube heating surface | 146.23 m² |
| Evaporative heating surface | 160.722 m² |
| Superheater surface | 23.69 m² |
| Total heating surface | 184.4 m² |
Power plant
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Driver diameter | 1,829 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 559 x 660 mm |
Power
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Power source | steam |
| Estimated power | 1,044 kW (1,419 PS) |
| Starting effort | 118.9 kN |
Calculated values
| Property | Glasgow & South Western class 540Remove |
|---|---|
| Factor of adhesion | 1 : 4.52 |
| Optimal speed | 53 km/h |
| Power-to-weight ratio | 10.4 kW/t |
| Heating Surface Equivalent | 280.6 m² |
| Cylinder volume/HSE | 1 : 1,154.52 |
| Adhesive weight/Total | 1 : 1.83 |
| Tractive force/Heating surface | 1 : 13.47 |
| Grate area/Heating surface | 1 : 66.17 |
| Firebox/Tube surface | 1 : 10.09 |
| Total/Superheater | 1 : 6.78 |
