Taff Vale class 75
Great Britain 1859 44 produced
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.
Under Tom Hurry Riches, four of these locomotives were rebuilt to passenger tank locomotives with the wheel arrangement 0-4-4T. This conversion resulted from the elimination of the third driving axle, the installation of coal and water tanks and the addition of a trailing bogie.
Technical data
General
- 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
- Service mass
- 32.5 t
- Adhesion mass
- 32.5 t
- Total mass
- 62.7 t
- Axle load
- 10.8 t
- Water capacity
- 6,363 l
Boiler
- 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
- Driver diameter
- 1,429 mm
- Boiler pressure
- 9 bar
- Expansion type
- simple expansion
- Cylinders
- two, 406 x 610 mm
Power
- Power source
- steam
- Estimated power
- 186 kW (253 PS)
- Starting effort
- 53.7 kN
Calculated values
- 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
