South West African Class Ha

DSWA Class Ha 0-6-2T
South West African Class Ha 0-6-2T

Class Ha no 12, c. 1904
Type and origin
Power type Steam
Designer Henschel and Son
Builder Henschel and Son
Serial number 6695-6704
Model Class Ha
Build date 1903
Total produced 10
Specifications
Configuration 0-6-2T
Gauge 600 mm (1 ft 11 58 in) narrow gauge
Driver diameter 27 916 in (700 mm)
Length 23 ft 6 1116 in (7,180 mm)
Loco weight 21 620 long tons (21.6 t)
Fuel type Coal
Firebox:
  Firegrate area
8.6 sq ft (0.799 m2)
Boiler pressure 171 psi (1,180 kPa)
Cylinders Two
Cylinder size 11 1316 in (300 mm) bore
13 2532 in (350 mm) stroke
Valve gear Allan
Performance figures
Tractive effort 8,928 lbf (40 kN) at 75% pressure
Career
Operators Otavi Mining and Railway Company
South African Railways
Class Otavi Class Ha
Number in class 10
Numbers 11-20
Delivered 1904
First run 1904

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The South West African Class Ha 0-6-2T of 1904 is a steam locomotive from the Deutsch-Südwest-Afrika era.

In 1904 the German administration in Deutsch-Südwest-Afrika, now Namibia, acquired ten Class Ha tank locomotives with a 0-6-2 wheel arrangement for the Otavi Mining and Railway Company. Only one of these locomotives survived to be taken onto the roster of the South African Railways after World War I.[1]

Manufacturer

Ten 600 millimetres (23.6 inches) narrow gauge 0-6-2 tank steam locomotives were built for the German administration in Deutsch-Südwest-Afrika (DSWA) by Henschel and Son in Germany in 1903. When delivered in 1904, they were designated Class Ha and numbered in the range from 11 to 20. They were leased to the Otavi Mining and Railway Company that operated a narrow gauge railway across the Namib Desert between Tsumeb and Swakopmund.[1][2]

The locomotives used Allan valve gear. Their "Ha" classification identified the locomotive type as the first class to have been built for DSWA by Henschel.[1]

South African Railways

During World War I the former German colony came under South African administration and the railways in DSWA came under control of the Union Defence Force. Control of all railway operations in South West Africa (SWA) was passed on from the Military to the Director of Railways in Windhoek on 1 August 1915. On 1 April 1922 all the railway lines and rolling stock in the territory became part of the South African Railways (SAR).[1]

Only one of these locomotives survived into the SAR era. It retained its German Colonial Ha classification and engine number while in SAR service.[1]

References

  1. 1 2 3 4 5 Paxton, Leith; Bourne, David (1985). Locomotives of the South African Railways (1st ed.). Cape Town: Struik. p. 115. ISBN 0869772112.
  2. Henschel-Lieferliste (Henschel & Son works list), compiled by Dietmar Stresow
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