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Lancashire & Yorkshire class 629
In William Barton Wright's effort to unify the Lancashire & Yorkshire fleet with a smaller number of locomotive classes, the class 629 was developed as a 4-4-0 express locomotive. The first eight came in 1880 from Sha...
| Lancashire & Yorkshire class 629Remove | |
|---|---|
| Variant | Standard |
| Built | 1880-1887 |
| Manufacturers | Sharp, Stewart & Co.;Kitson & Co.;Neilson & Co.;Vulcan Foundry |
| Wheel arrangement | 2B |
| Gauge | 1435 mm |
| Length | |
| Service mass | 43182 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Built | 1880-1887 |
| Manufacturers | Sharp, Stewart & Co., Kitson & Co., Neilson & Co., Vulcan Foundry |
| Wheel arrangement | 4-4-0 (American) |
| Gauge | 1,435 mm |
Dimensions and weights
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Wheelbase | 6.34 m |
| Service mass | 43.2 t |
| Adhesion mass | 29.5 t |
| Total mass | 70.7 t |
| Rigid wheelbase | 2.62 m |
| Axle load | 14.9 t |
| Water capacity | 10,910 l |
Boiler
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Grate area | 1.788 m² |
| Firebox surface | 8.408 m² |
| Tube heating surface | 87.19 m² |
| Evaporative heating surface | 95.597 m² |
| Total heating surface | 95.6 m² |
Power plant
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Driver diameter | 1,829 mm |
| Boiler pressure | 9.7 bar |
| Expansion type | simple expansion |
| Cylinders | two, 444 x 660 mm |
Power
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 336 kW (457 PS) |
| Starting effort | 58.5 kN |
Calculated values
| Property | Lancashire & Yorkshire class 629 Standard Remove |
|---|---|
| Factor of adhesion | 1 : 4.94 |
| Optimal speed | 35 km/h |
| Power-to-weight ratio | 7.8 kW/t |
| Heating Surface Equivalent | 137.6 m² |
| Cylinder volume/HSE | 1 : 1,489.13 |
| Adhesive weight/Total | 1 : 1.47 |
| Tractive force/Heating surface | 1 : 12.79 |
| Grate area/Heating surface | 1 : 53.47 |
| Firebox/Tube surface | 1 : 10.37 |
