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The reference for locomotives and railcars

Natal Railway “Perseverance”

South Africa 1875 1 produced
Perseverance shortly after its delivery archive South African Railways and Harbours

In 1875 the Natal Railway Company ordered a heavier third engine from Kitson and Company in Leeds, where the “Durban” had been built ten years earlier. With a 4-4-0T wheel arrangement, the new locomotive was significantly heavier than the first locomotives and had a cab in addition to conventional lateral water tanks. It arrived in Durban on January 10, 1876 and was christened “Perseverance”. It had three almost identical sister locomotives which were built for the Trinidad Government Railway.

Before the “Perseverance” entered service, the Natal Government Railways had already been established and so on 1st January, 1877 the locomotive became government property for a payment of £40,000 along with the other two locomotives and all other properties of the Natal Railway Company. For a short time it was used together with its predecessors on the line and mainly transported stone from the quarry to the port. With the gauge change, the use of the “Perseverance” on the rails came to an end, but it remained in the possession of the railway company. They used it in their workshops in Durban until 1887 to drive a sawmill and then scrapped it.

Technical data

General

Built
1875
Manufacturers
Kitson & Co.
Wheel arrangement
4-4-0T (American)
Gauge
1,435 mm (Standard gauge)

Dimensions and weights

Wheelbase
5.59 m
Service mass
28.4 t
Adhesion mass
20.2 t
Water capacity
1,870 l
Fuel capacity
0.6 t (coal)

Boiler

Grate area
0.917 m²
Firebox surface
4.645 m²
Tube heating surface
46.916 m²
Evaporative heating surface
51.561 m²
Total heating surface
51.6 m²

Power plant

Driver diameter
1,295 mm
Boiler pressure
9.7 bar
Expansion type
simple expansion
Cylinders
two, 356 x 508 mm

Power

Power source
steam
Estimated power
157 kW (213 PS)
Starting effort
40.7 kN

Calculated values

Factor of adhesion
1 : 4.87
Optimal speed
24 km/h
Power-to-weight ratio
5.5 kW/t
Heating Surface Equivalent
74.8 m²
Cylinder volume/HSE
1 : 1,349.23
Adhesive weight/Total
1 : 1.41
Tractive force/Heating surface
1 : 16.48
Grate area/Heating surface
1 : 56.23
Firebox/Tube surface
1 : 10.10
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