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Taff Vale class 75
Joseph Tomlinson developed a goods locomotive with the wheel arrangement 0-6-0 and double frames for the Taff Vale. A total of 44 were built by Taff Vale's own workshops in Cardiff and by several other manufacturers.
General
| Property | Taff Vale class 75Remove |
|---|---|
| Built | 1859-1872 |
| Manufacturers | Cardiff, Hawthorn, Leslie & Co., Kitson & Co., Slaughter, Grüning & Co. |
| Wheel arrangement | 0-6-0 (Six-coupled) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | Taff Vale class 75Remove |
|---|---|
| Service weight | 32.5 t |
| Adhesive weight | 32.5 t |
| Axle load | 10.8 t |
| Total weight | 62.7 t |
| Water capacity | 6,363 l |
Boiler
| Property | Taff Vale class 75Remove |
|---|---|
| Grate area | 1.301 m² |
| Firebox surface | 7.38 m² |
| Tube heating surface | 76.418 m² |
| Evaporative heating surface | 83.799 m² |
| Total heating surface | 83.8 m² |
Power plant
| Property | Taff Vale class 75Remove |
|---|---|
| Driver diameter | 1,429 mm |
| Boiler pressure | 9 bar |
| Expansion type | simple expansion |
| Cylinders | two, 406 x 610 mm |
Power
| Property | Taff Vale class 75Remove |
|---|---|
| Power source | steam |
| Estimated power | 186 kW (253 PS) |
| Starting effort | 53.7 kN |
Calculated values
| Property | Taff Vale class 75Remove |
|---|---|
| Factor of adhesion | 1 : 5.94 |
| Optimal speed | 21 km/h |
| Power-to-weight ratio | 5.7 kW/t |
| Heating Surface Equivalent | 120.7 m² |
| Cylinder volume/HSE | 1 : 1,310.30 |
| Adhesive weight/Total | 1 : 1.00 |
| Tractive force/Heating surface | 1 : 13.38 |
| Grate area/Heating surface | 1 : 64.41 |
| Firebox/Tube surface | 1 : 10.35 |
