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Cape Copper Co. 0-4-0WT Condenser

South Africa 1886 3 produced
Excursion train led by one of the locomotives Transnet Heritage Foundation Library PD

To extend steam service inland where mules had previously been used as motive power, Cape Copper Mining Co. received three 0-6-0T condenser tank locomotives between 1886 and 1888 from Kitson. As a first in South Africa, the condensing equipment was built into the roof to make better use of the water. Additionally, they were equipped with a tender. To protect the motion from sand, the lower part of the locomotives was covered with sheet-metal casing.

The three locomotives were T198 “John Taylor”, T220 “Juanita” and T234 “Jackal”. The last was the only one that had been delivered with a tender. Since the bad water quality led to frequent replacements of parts inside the boilers, it did not take long until mainline service was taken over by new tender locomotives. The three condensers were only used for work trains and as a backup from the 1890s. Around 1900, they lost their condensing equipment and additional tenders and got cabs and larger bunkers.

T198 “John Taylor” Stephenson Locomotive Society Library

Technical data

General

Built
1886-1888
Manufacturers
Kitson & Co.
Wheel arrangement
0-4-0WT (Four-coupled)
Gauge
762 mm (Two feet six inch)

Dimensions and weights

Wheelbase
1.83 m
Service mass
14.4 t
Adhesion mass
14.4 t
Total mass
23.5 t
Rigid wheelbase
1.83 m
Axle load
7.2 t
Water capacity
1,756 l
Fuel capacity
0.4 t (coal)

Boiler

Grate area
0.678 m²
Firebox surface
2.787 m²
Tube heating surface
14.642 m²
Evaporative heating surface
17.429 m²
Total heating surface
17.4 m²

Power plant

Driver diameter
864 mm
Boiler pressure
10.3 bar
Expansion type
simple expansion
Cylinders
two, 229 x 381 mm

Power

Power source
steam
Estimated power
60 kW (82 PS)
Starting effort
20.3 kN

Calculated values

Factor of adhesion
1 : 6.98
Optimal speed
18 km/h
Power-to-weight ratio
4.2 kW/t
Heating Surface Equivalent
31.4 m²
Cylinder volume/HSE
1 : 997.16
Adhesive weight/Total
1 : 1.00
Tractive force/Heating surface
1 : 24.29
Grate area/Heating surface
1 : 25.71
Firebox/Tube surface
1 : 5.25
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