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West Midland No. 106 to 111
In 1862, the West Midland Railway ordered six express locomotives with a 2-4-0 wheel arrangement from Beyer, Peacock & Co. for their topographically more demanding routes. They featured straight outer frames and a pol...
| West Midland No. 106 to 111Remove | |
|---|---|
| Variant | rebuilt 1893 |
| Built | 1893-1905 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 1B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 34342 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Built | 1893-1905 |
| Manufacturers | Beyer, Peacock & Co. |
| Wheel arrangement | 2-4-0 (Porter) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Wheelbase | 5.03 m |
| Empty mass | 31.3 t |
| Service mass | 34.3 t |
| Adhesion mass | 22.7 t |
| Rigid wheelbase | 5.03 m |
| Axle load | 12.5 t |
Boiler
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Firebox surface | 9.476 m² |
| Tube heating surface | 109.533 m² |
| Evaporative heating surface | 119.009 m² |
| Total heating surface | 119.0 m² |
Power plant
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Driver diameter | 1,880 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 432 x 610 mm |
Power
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Power source | steam |
| Estimated power | 447 kW (608 PS) |
| Starting effort | 49.6 kN |
Calculated values
| Property | West Midland No. 106 to 111rebuilt 1893 |
|---|---|
| Factor of adhesion | 1 : 4.48 |
| Optimal speed | 55 km/h |
| Power-to-weight ratio | 13.0 kW/t |
| Heating Surface Equivalent | 166.4 m² |
| Cylinder volume/HSE | 1 : 1,073.01 |
| Adhesive weight/Total | 1 : 1.52 |
| Tractive force/Heating surface | 1 : 8.71 |
| Firebox/Tube surface | 1 : 11.56 |
