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Lancashire & Yorkshire class 26
For heavy passenger trains on lines with many stops and gradients of more than two percent, Hoy designed a heavy tank locomotive. With three driving axles and a wheel diameter of 5 feet 8 inches, good acceleration and...
General
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Built | 1903-1904 |
| Manufacturers | Horwich |
| Wheel arrangement | 2-6-2T (Prairie) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Length | 12.90 m |
| Wheelbase | 8.41 m |
| Rigid wheelbase | 3.76 m |
| Service weight | 78.8 t |
| Adhesive weight | 53.2 t |
| Axle load | 18.3 t |
| Water capacity | 9,093 l |
| Fuel capacity | 3.8 t (coal) |
Boiler
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Grate area | 2.42 m² |
| Firebox surface | 15.017 m² |
| Tube heating surface | 174.379 m² |
| Evaporative heating surface | 189.396 m² |
| Total heating surface | 189.4 m² |
Power plant
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 91.3 kN |
Calculated values
| Property | Lancashire & Yorkshire class 26Remove |
|---|---|
| Factor of adhesion | 1 : 5.71 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 8.5 kW/t |
| Heating Surface Equivalent | 264.5 m² |
| Cylinder volume/HSE | 1 : 913.50 |
| Adhesive weight/Total | 1 : 1.48 |
| Tractive force/Heating surface | 1 : 10.07 |
| Grate area/Heating surface | 1 : 78.26 |
| Firebox/Tube surface | 1 : 11.61 |
