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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...
| Lancashire & Yorkshire class 25Remove | |
|---|---|
| Variant | smaller boiler |
| Built | 1876-1887 |
| Manufacturers | Beyer, Peacock & Co.;Vulcan Foundry;Sharp, Stewart & Co.;Kitson & Co.;Miles Platting |
| Wheel arrangement | C |
| Gauge | 1435 mm |
| Length | |
| Service mass | 37746 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Lancashire & Yorkshire class 25smaller 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 |
Dimensions and weights
| Property | Lancashire & Yorkshire class 25smaller boiler |
|---|---|
| Wheelbase | 4.57 m |
| Service mass | 37.7 t |
| Adhesion mass | 37.7 t |
| Total mass | 65.3 t |
| Rigid wheelbase | 4.57 m |
| Axle load | 13 t |
| Water capacity | 10,228 l |
Boiler
| Property | Lancashire & Yorkshire class 25smaller boiler |
|---|---|
| Grate area | 1.765 m² |
| Firebox surface | 8.408 m² |
| Tube heating surface | 90.162 m² |
| Evaporative heating surface | 98.57 m² |
| Total heating surface | 98.6 m² |
Power plant
| Property | Lancashire & Yorkshire class 25smaller boiler |
|---|---|
| Driver diameter | 1,372 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 660 mm |
Power
| Property | Lancashire & Yorkshire class 25smaller boiler |
|---|---|
| Power source | steam |
| Estimated power | 336 kW (457 PS) |
| Starting effort | 78.1 kN |
Calculated values
| Property | Lancashire & Yorkshire class 25smaller boiler |
|---|---|
| Factor of adhesion | 1 : 4.74 |
| Optimal speed | 26 km/h |
| Power-to-weight ratio | 8.9 kW/t |
| Heating Surface Equivalent | 140.6 m² |
| Cylinder volume/HSE | 1 : 1,457.65 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 16.54 |
| Grate area/Heating surface | 1 : 55.85 |
| Firebox/Tube surface | 1 : 10.72 |
