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London, Midland & Scottish Fowler class 4F
The class 4F was the last 0-6-0 goods locomotive that the LMS purchased. It was designed by Henry Fowler and was largely similar to the Midland Railway's class 3835, which he had also designed. The biggest difference ...
General
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Built | 1924-1928, 1937-1941 |
| Manufacturers | Derby, Crewe, St. Rollox, Horwich, North British, Kerr, Stuart & Co., Andrew Barclay Sons & Co. |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Wheelbase | 5.03 m |
| Rigid wheelbase | 5.03 m |
| Total wheelbase | 11.82 m |
| Service weight | 49.5 t |
| Adhesive weight | 49.5 t |
| Axle load | 18.3 t |
| Total weight | 91.4 t |
| Water capacity | 13,249 l |
| Fuel capacity | 4.1 t (coal) |
Boiler
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Grate area | 1.96 m² |
| Firebox surface | 11.501 m² |
| Tube heating surface | 96.452 m² |
| Evaporative heating surface | 107.953 m² |
| Superheater surface | 23.504 m² |
| Total heating surface | 131.5 m² |
Power plant
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Driver diameter | 1,600 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 508 x 660 mm |
Power
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Power source | steam |
| Estimated power | 671 kW (912 PS) |
| Starting effort | 109.2 kN |
Calculated values
| Property | London, Midland & Scottish Fowler class 4FRemove |
|---|---|
| Factor of adhesion | 1 : 4.45 |
| Optimal speed | 37 km/h |
| Power-to-weight ratio | 13.5 kW/t |
| Heating Surface Equivalent | 212.5 m² |
| Cylinder volume/HSE | 1 : 1,259.98 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 17.35 |
| Grate area/Heating surface | 1 : 67.07 |
| Firebox/Tube surface | 1 : 8.39 |
| Total/Superheater | 1 : 4.59 |
