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London & South Western class F13
The London and South Western Railway made the jump from the 4-4-0 locomotive to the 4-6-0 in 1905 with the F13 class. The trigger for this were the so-called “boat trains”, which had to bring a constantly growing numb...
General
| Property | London & South Western class F13 as built |
|---|---|
| Built | 1905 |
| Manufacturers | Nine Elms |
| Wheel arrangement | 4-6-0 (Ten-wheeler) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London & South Western class F13 as built |
|---|---|
| Length | 19.48 m |
| Wheelbase | 8.18 m |
| Rigid wheelbase | 4.06 m |
| Total wheelbase | 16.21 m |
| Service weight | 74.2 t |
| Adhesive weight | 52.3 t |
| Total weight | 119.7 t |
| Water capacity | 26,369 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | London & South Western class F13 as built |
|---|---|
| Grate area | 2.926 m² |
| Firebox surface | 48.031 m² |
| Tube heating surface | 205.316 m² |
| Evaporative heating surface | 253.347 m² |
| Total heating surface | 253.3 m² |
Power plant
| Property | London & South Western class F13 as built |
|---|---|
| Driver diameter | 1,829 mm |
| Boiler pressure | 12.1 bar |
| Expansion type | simple expansion |
| Cylinders | four, 406 x 610 mm |
Power
| Property | London & South Western class F13 as built |
|---|---|
| Power source | steam |
| Estimated power | 1,044 kW (1,419 PS) |
| Starting effort | 112.9 kN |
Calculated values
| Property | London & South Western class F13 as built |
|---|---|
| Factor of adhesion | 1 : 4.55 |
| Optimal speed | 56 km/h |
| Power-to-weight ratio | 14.1 kW/t |
| Heating Surface Equivalent | 493.5 m² |
| Cylinder volume/HSE | 1 : 640.93 |
| Adhesive weight/Total | 1 : 1.42 |
| Tractive force/Heating surface | 1 : 9.31 |
| Grate area/Heating surface | 1 : 86.58 |
| Firebox/Tube surface | 1 : 4.27 |
