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Lancashire & Yorkshire class 25
Directly after his appointment as superintendent of the Lancashire & Yorkshire, William Barton Wright designed the class 25 as a standard goods locomotive. Between 1876 and 1887, different commercial manufacturers and...
General
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Built | 1876-1887 |
| Manufacturers | Beyer, Peacock & Co., Vulcan Foundry, Sharp, Stewart & Co., Kitson & Co., Miles Platting |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Wheelbase | 4.57 m |
| Rigid wheelbase | 4.57 m |
| Service weight | 38.7 t |
| Adhesive weight | 38.7 t |
| Axle load | 13.6 t |
| Total weight | 66.2 t |
| Water capacity | 10,228 l |
Boiler
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Grate area | 1.812 m² |
| Firebox surface | 8.268 m² |
| Tube heating surface | 87.886 m² |
| Evaporative heating surface | 96.155 m² |
| Total heating surface | 96.2 m² |
Power plant
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Driver diameter | 1,410 mm |
| Boiler pressure | 11 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 660 mm |
Power
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Power source | steam |
| Estimated power | 354 kW (481 PS) |
| Starting effort | 86.8 kN |
Calculated values
| Property | Lancashire & Yorkshire class 25 larger boiler |
|---|---|
| Factor of adhesion | 1 : 4.38 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 9.1 kW/t |
| Heating Surface Equivalent | 137.5 m² |
| Cylinder volume/HSE | 1 : 1,490.69 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 18.85 |
| Grate area/Heating surface | 1 : 53.07 |
| Firebox/Tube surface | 1 : 10.63 |
