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London & North Western 18 inch Goods Engine “Cauliflower”
In 1880, Francis Webb introduced a new class of goods locomotives for the LNWR. Based on his 1873 “17 inch coal engine”, it had larger cylinders, a slightly larger boiler with a higher pressure and larger driving whee...
General
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Built | 1880-1902 |
| Manufacturers | Crewe |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Wheelbase | 4.72 m |
| Rigid wheelbase | 4.72 m |
| Service weight | 37.1 t |
| Adhesive weight | 37.1 t |
| Water capacity | 9,093 l |
| Fuel capacity | 5.1 t (coal) |
Boiler
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Grate area | 1.589 m² |
| Firebox surface | 9.615 m² |
| Tube heating surface | 90.999 m² |
| Evaporative heating surface | 100.614 m² |
| Total heating surface | 100.6 m² |
Power plant
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Driver diameter | 1,588 mm |
| Boiler pressure | 10.3 bar |
| Expansion type | simple expansion |
| Cylinders | two, 457 x 610 mm |
Power
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Power source | steam |
| Estimated power | 317 kW (431 PS) |
| Starting effort | 70.6 kN |
Calculated values
| Property | London & North Western 18 inch Goods Engine “Cauliflower”Remove |
|---|---|
| Factor of adhesion | 1 : 5.16 |
| Optimal speed | 27 km/h |
| Power-to-weight ratio | 8.5 kW/t |
| Heating Surface Equivalent | 148.7 m² |
| Cylinder volume/HSE | 1 : 1,346.17 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 14.65 |
| Grate area/Heating surface | 1 : 63.32 |
| Firebox/Tube surface | 1 : 9.46 |
