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London, Midland & Scottish Horwich Mogul “Hughes Crab”
The Horwich Mogul takes its name from the LMS works in Horwich, formerly Lancashire, where the first batch of these locomotives was built. However, it is better known by the name “Hughes Crab” given to her by rail ent...
General
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Built | 1926-1932 |
| Manufacturers | Horwich, Crewe |
| Wheel arrangement | 2-6-0 (Mogul) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Length | 18.06 m |
| Wheelbase | 7.77 m |
| Rigid wheelbase | 5.03 m |
| Service weight | 66.6 t |
| Adhesive weight | 56.4 t |
| Axle load | 18.8 t |
| Total weight | 109.5 t |
| Water capacity | 15,910 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Grate area | 2.555 m² |
| Firebox surface | 14.865 m² |
| Tube heating surface | 125.001 m² |
| Evaporative heating surface | 139.866 m² |
| Superheater surface | 28.521 m² |
| Total heating surface | 168.4 m² |
Power plant
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Driver diameter | 1,676 mm |
| Boiler pressure | 12.4 bar |
| Expansion type | simple expansion |
| Cylinders | two, 533 x 660 mm |
Power
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Power source | steam |
| Estimated power | 858 kW (1,167 PS) |
| Starting effort | 118.2 kN |
Calculated values
| Property | London, Midland & Scottish Horwich Mogul “Hughes Crab”Remove |
|---|---|
| Factor of adhesion | 1 : 4.68 |
| Optimal speed | 45 km/h |
| Power-to-weight ratio | 12.9 kW/t |
| Heating Surface Equivalent | 271.2 m² |
| Cylinder volume/HSE | 1 : 1,088.15 |
| Adhesive weight/Total | 1 : 1.18 |
| Tractive force/Heating surface | 1 : 14.66 |
| Grate area/Heating surface | 1 : 65.90 |
| Firebox/Tube surface | 1 : 8.41 |
| Total/Superheater | 1 : 4.90 |
