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Midland Great Western classes F, Fa and Fb
The class F was the last locomotive to be designed by the Midland Great Western before its incorporation into the Great Southern Railways. Designed by Walter H. Morton for mixed-traffic duties, it featured a 0-6-0 whe...
| Midland Great Western classes F, Fa and FbRemove | |
|---|---|
| Variant | Standard |
| Built | 1921-1924 |
| Manufacturers | Armstrong Whitworth;Broadstone |
| Wheel arrangement | C |
| Gauge | 1600 mm |
| Length | |
| Service mass | 49990 kg |
| Top speed | |
| Power | |
| Engine |
General
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Built | 1921-1924 |
| Manufacturers | Armstrong Whitworth, Broadstone |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,600 mm |
Dimensions and weights
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Wheelbase | 4.57 m |
| Total wheelbase | 11.76 m |
| Service mass | 50 t |
| Adhesion mass | 50 t |
| Rigid wheelbase | 4.57 m |
| Axle load | 18.3 t |
| Water capacity | 11,364 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Grate area | 1.607 m² |
| Firebox surface | 11.706 m² |
| Tube heating surface | 76.273 m² |
| Evaporative heating surface | 87.979 m² |
| Superheater surface | 19.51 m² |
| Total heating surface | 107.5 m² |
Power plant
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Driver diameter | 1,727 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | two, 483 x 660 mm |
Power
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Power source | steam |
| Estimated power | 597 kW (812 PS) |
| Starting effort | 91.3 kN |
Calculated values
| Property | Midland Great Western classes F, Fa and Fb Standard Remove |
|---|---|
| Factor of adhesion | 1 : 5.37 |
| Optimal speed | 40 km/h |
| Power-to-weight ratio | 11.9 kW/t |
| Heating Surface Equivalent | 185.5 m² |
| Cylinder volume/HSE | 1 : 1,302.24 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 17.75 |
| Grate area/Heating surface | 1 : 66.89 |
| Firebox/Tube surface | 1 : 6.52 |
| Total/Superheater | 1 : 4.51 |
