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Lancashire & Yorkshire steam railmotors
The Lancashire & Yorkshire Railway operated a total of 20 steam railmotors which were of two different types. The first two vehicles were of a design that had been built by Kerr, Stuart & Co. for the Taff Vale Railway...
General
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Built | 1096-1911 |
| Manufacturers | Horwich, Newton Heath |
| Wheel arrangement | 0-4-0+4T |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Length | 21.16 m |
| Service weight | 48.3 t |
| Adhesive weight | 33.2 t |
| Axle load | 16.6 t |
| Water capacity | 2,502 l |
| Fuel capacity | 0.5 t (coal) |
Boiler
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Grate area | 0.873 m² |
| Evaporative heating surface | 47.288 m² |
| Total heating surface | 47.3 m² |
Power plant
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Driver diameter | 1,109 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 305 x 406 mm |
Power
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Power source | steam |
| Estimated power | 112 kW (152 PS) |
| Starting effort | 35.9 kN |
Calculated values
| Property | Lancashire & Yorkshire steam railmotors Hughes |
|---|---|
| Factor of adhesion | 1 : 9.08 |
| Optimal speed | 19 km/h |
| Power-to-weight ratio | 2.3 kW/t |
| Adhesive weight/Total | 1 : 1.45 |
| Tractive force/Heating surface | 1 : 15.86 |
| Grate area/Heating surface | 1 : 54.17 |
