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Taff Vale class 75

No. 50 “Gelly Gaer”

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.

Taff Vale class 75Remove
Variant Standard
Built 1859-1872
Manufacturers Cardiff;Hawthorn, Leslie & Co.;Kitson & Co.;Slaughter, Grüning & Co.
Wheel arrangement C
Gauge 1435 mm
Length
Service mass 32514 kg
Top speed
Power
Engine

General

Property Taff Vale class 75
Standard
Remove
Built 1859-1872
Manufacturers Cardiff, Hawthorn, Leslie & Co., Kitson & Co., Slaughter, Grüning & Co.
Wheel arrangement 0-6-0 (Six-coupled)
Gauge 1,435 mm

Dimensions and weights

Property Taff Vale class 75
Standard
Remove
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

Property Taff Vale class 75
Standard
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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 75
Standard
Remove
Driver diameter 1,429 mm
Boiler pressure 9 bar
Expansion type simple expansion
Cylinders two, 406 x 610 mm

Power

Property Taff Vale class 75
Standard
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Power source steam
Estimated power 186 kW (253 PS)
Starting effort 53.7 kN

Calculated values

Property Taff Vale class 75
Standard
Remove
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
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