South African type SK tender

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South African type SK tender
Type and origin
Locomotive SAR Classes 1, 1B & 2
Designer South African Railways
Builder South African Railways
In service c. 1930
Rebuilt from Type SH
Specifications
Configuration 2-axle bogies
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Length Lua error in Module:Convert at line 452: attempt to index field 'titles' (a nil value).
Wheel dia. 30 in (762 mm)
Wheelbase 15 ft 6 in (4,724 mm)
 • Bogie 4 ft 6 in (1,372 mm)
Fuel type Coal
Fuel cap. 8 LT 15 cwt (8.9 t)
Water cap. Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value).
Stoking Manual
Couplers Drawbar & Bell link-and-pin
Drawbar & AAR knuckle (1950s)
Career
Operators South African Railways
Numbers SAR 762-763, 1245-1288, 1440-1445

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Main article: South African steam locomotive tenders

The South African type SK tender was a steam locomotive tender.

Type SK tenders were rebuilt from Type SH tenders which had entered service in 1904 and 1905. The rebuilding resulted in a tender with a larger water tank and larger coal bunker.[1][2]

Origin

The original Natal Government Railways (NGR) Class B Mastodon and Class A Pacific locomotives and tenders were designed in 1904 by NGR Locomotive Superintendent D.A. Hendrie.[1][2][3]

Type SH tenders entered service as tenders to these locomotives in 1904 and 1905, built by the North British Locomotive Company.[1][2][3]

Rebuilding

Between 1912 and 1941, probably c. 1930, several of the Type SH tenders were completely rebuilt by the South African Railways (SAR), by mounting a completely new upper structure on the existing underframe, with larger water tanks and a larger coal capacity. The water capacity was increased from 3,225 to 3,675 imperial gallons (14,661 to 16,707 litres) and the tender sides were built up to increase the coal capacity from 6 long tons (6.1 tonnes) to 8 long tons 15 hundredweight (8.9 tonnes). These rebuilt tenders had a more modern appearance, with smooth sides all the way to the top. They were designated Type SK.[1][2]

Letter codes

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the SAR.[2]

The first letter of the tender type indicates the classes of engines to which it can be coupled. The "S_" tenders could be used with the following locomotive classes:[2]

The second letter indicates the tender's water capacity. The "_K" tenders had a capacity of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)..[2]

A number, when added after the letter code, indicates differences between similar tender types, such as wheelbase or coal bunker capacity.[2]

References

  1. ↑ 1.0 1.1 1.2 1.3 South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). Locomotive Diagram Book/Lokomotiefdiagramboek, 3'6" Gauge/Spoorwydte. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. p. 43.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 South African Railways & Harbours/Suid Afrikaanse Spoorweë en Hawens (15 Aug 1941). Locomotive Diagram Book/Lokomotiefdiagramboek, 2'0" & 3'6" Gauge/Spoorwydte, Steam Locomotives/Stoomlokomotiewe. SAR/SAS Mechanical Department/Werktuigkundige Dept. Drawing Office/Tekenkantoor, Pretoria. pp. 6a-7a, 43.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
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