South African type JV tender

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South African type JV tender - Wikipedia

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South African type JV tender

Experimental Type JV tender, Paardeneiland, c. 1940

Type and origin
Designer	South African Railways (A.G. Watson)
Builder	South African Railways
In service	1936

Specifications
Configuration	2-8-2
Gauge	3 ft 6 in (1,067 mm) Cape gauge
Length	35 ft 3+7⁄16 in (10,755 mm)
Wheel dia.	34 in (864 mm)
Wheelbase	24 ft 11 in (7,595 mm)
• Rigid	12 ft 9 in (3,886 mm)
Axle load	14 LT 18 cwt (15,140 kg)
• 1st axle	10 LT 18 cwt (11,070 kg)
• 2nd axle	12 LT 17 cwt (13,060 kg)
• 3rd axle	13 LT 15 cwt (13,970 kg)
• 4th axle	14 LT 18 cwt (15,140 kg)
• 5th axle	13 LT 18 cwt (14,120 kg)
• 6th axle	11 LT 14 cwt (11,890 kg)
Weight empty	68,620 lb (31,130 kg)
Weight w/o	78 LT (79,250 kg)
Fuel type	Coal
Fuel cap.	15 LT (15.2 t)
Water cap.	7,250 imp gal (33,000 L)
Stoking	Manual
Couplers	Drawbar & AAR knuckle

Career
Operators	South African Railways
Numbers	SAR N60

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

A single experimental Type JV tender entered service in 1936 as a prototype test-model of the Type FT tender to the sole Class 21 2-10-4 steam locomotive, which was being designed in that year.^[1]^[2]^[3]

Manufacturer

The Type JV tender was built by the South African Railways (SAR) in its Salt River shops in Cape Town in 1936.^[1]

During the design phase of the Class 21 2-10-4 steam locomotive, an experimental tender was built with the same wheel arrangement as that of the Type FT tender which was intended for this new locomotive. The experimental tender was built to the design of A.G. Watson, Chief Mechanical Engineer of the SAR from 1929 to 1936.^[1]^[2]^[3]

Characteristics

The tender had a coal capacity of 15 long tons (15.2 tonnes) and a water capacity of 7,250 imperial gallons (33,000 litres), with a maximum axle load of 14 long tons 18 hundredweight (15,140 kilograms). An unusual characteristic of the tender was its six axles in a 2-8-2 wheel arrangement, with the leading and trailing wheels in Bissel pony trucks and the rest of the axles mounted with a rigid wheelbase.^[1]^[2]^[3]

The rationale behind the design was that, if the tender frame could be carried on more points, represented by the rigidly mounted and Bissel wheels, instead of on only two bogie pivot centres, the frame could be made lighter. The vacuum cylinders which actuated brake blocks on the rigidly mounted wheels were mounted on top of the tank behind the coal bunker since the wheel arrangement left insufficient room to mount them under the frame as usual.^[4]

Another characteristic unique to the Types JV and FT tenders was the left side of both tenders, where they had a space built-in for the fire-irons and rakes. The stowage space was open at the top, where the upper side of the tender was tied to the top of the coal bunker by four metal straps.^[5]

Locomotive

The tender was numbered N60 and was tested behind a manually-stoked Class 15F locomotive. The "N" number prefix indicates a non-revenue earning vehicle.^[1]^[2]^[3]

Classification letters

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the SAR. The first letter of the tender type indicates the classes of engines to which it can be coupled. The "J_" tenders could be used with the locomotive classes as shown.^[2]^[3]

Class 15E.
Class 15F, if arranged for manual stoking.
Class 16E.
Class S1.

Since it was arranged for manual stoking, the Type JV tender was not suitable for use with those Class 15F locomotives which were fitted with mechanical stokers.^[2]^[3]

The second letter indicates the tender's water capacity. The "_V" tenders had a capacity of between 7,250 and 7,500 imperial gallons (33,000 and 34,100 litres; 8,710 and 9,010 US gallons).^[2]^[3]

References

^ ^a ^b ^c ^d ^e Holland, D. F. (1972). Steam Locomotives of the South African Railways. Vol. 2: 1910-1955 (1st ed.). Newton Abbott, England: David & Charles. pp. 73–76. ISBN 978-0-7153-5427-8.
^ ^a ^b ^c ^d ^e ^f ^g 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. pp. VIII, 46.
^ ^a ^b ^c ^d ^e ^f ^g 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. VIII, 6a-7a, 20-21, 29, 46.
^ Espitalier, T.J.; Day, W.A.J. (1946). The Locomotive in South Africa - A Brief History of Railway Development. Chapter VII - South African Railways (Continued). South African Railways and Harbours Magazine, October 1946. pp. 804-806.
^ Soul of A Railway, System 5, Part 2: O.F.S. Main Line, Makouvlei to Bosrand. Caption 17. (Accessed on 3 March 2017)

South African steam locomotive tenders

Cape gauge

Type FT

Type GT

Type HT

Type KT

Type LP

Locomotives of South Africa

Steam

7' ¼" gauge	East London 0-4-0VB Table Bay 0-4-0ST Table Bay 0-4-0T Table Bay 0-4-0WT
Standard gauge	Cape 0-4-0T Blackie Cape 0-4-2 Cape 2-4-0T CGR 0-4-0ST Aid Natal 0-4-0ST Durban Natal 0-4-0WT Natal Natal 4-4-0T Perseverance
Cape gauge Tank engines	CGR 0-4-0ST 1873 CGR 0-4-0ST 1874 CGR 0-4-0ST 1881 CGR 0-4-0ST 1881 Coffee Pot CGR 0-6-0ST CGR 0-6-0T CGR 2-6-0ST 1900 CGR 2-6-0ST 1902 CGR 1st Class 0-4-0ST 1875 CGR 1st Class 0-4-0ST 1876 CGR 1st Class 2-6-0ST CGR 1st Class 4-4-0T CGR 2nd Class 4-4-0T CGR 3rd Class 2-6-0T CGR Railmotor CSAR Class C CSAR Class E CSAR Rack 4-6-4RT CSAR Railmotor Durban's Congella Durban's Edward Innes Durban's John Milne Durban's Sir Albert Port Elizabeth 0-4-0ST Kowie Railway 0-6-0T Kowie Railway 4-4-0T Metropolitan & Suburban 4-6-2T NGR 2-6-0T Durban & Pietermaritzburg NGR Class I 2-6-2T NGR Class K 0-4-0ST NGR Class K 0-6-0ST NGR Class K 2-6-0T NZASM 10 Tonner NZASM 13 Tonner NZASM 14 Tonner NZASM 18 Tonner NZASM 19 Tonner NZASM 32 Tonner NZASM 40 Tonner PPR 26 Tonner PPR 35 Tonner Portuguese SAR Class A SAR Class B SAR Class C SAR Class C1 SAR Class C2 SAR Class D SAR Class E SAR Class F SAR Class G SAR Class H SAR Class H1 SAR Class H2 SAR Class J SAR Class K SAR Railmotor SAR Dock 0-4-0ST SAR Dock 0-4-0T SWA 2-8-0T
Cape gauge Tender engines	CGR 1st Class 2-6-0 1876 BP CGR 1st Class 2-6-0 1876 Kitson CGR 1st Class 2-6-0 1879 CGR 1st Class 2-6-0 1891 CGR 1st Class 4-4-0 CGR 1st Class 4-4-0TT CGR 2nd Class 2-6-2TT CGR 3rd Class 4-4-0 1883 CGR 3rd Class 4-4-0 1884 CGR 3rd Class 4-4-0 1889 CGR 3rd Class 4-4-0 1898 CGR 3rd Class 4-4-0 1901 CGR 3rd Class 4-4-0 1903 CGR 4th Class 4-4-2 CGR 4th Class 4-6-0TT 1880 CGR 4th Class 4-6-0TT 1882 CGR 4th Class 4-6-0TT 1882 Joy CGR 4th Class 4-6-0TT 1884 CGR 5th Class 4-6-0 1890 CGR 5th Class 4-6-0 1891 NGR Havelock NGR Class I SAR Class Exp 1 SAR Class Exp 2 SAR Class Exp 3 SAR Class Exp 4 SAR Class Exp 5 SAR Class Exp 6 SAR Class S SAR Class S1 SAR Class S2 SAR Class 1 SAR Class 1A SAR Class 1B SAR Class 2 SAR Class 2C SAR Class 3 SAR Class 3A SAR Class 3B SAR Class 4 SAR Class 4A SAR Class 5 SAR Class 5A SAR Class 5B SAR Class 6 SAR Class 6A SAR Class 6B SAR Class 6C SAR Class 6D SAR Class 6E SAR Class 6F SAR Class 6G SAR Class 6H SAR Class 6J SAR Class 6K SAR Class 6L SAR Class 6Y SAR Class 6Z SAR Class 7 SAR Class 7A SAR Class 7B SAR Class 7C SAR Class 7D SAR Class 7E SAR Class 7F SAR Class 8 SAR Class 8A SAR Class 8B SAR Class 8C SAR Class 8D SAR Class 8E SAR Class 8F SAR Class 8R SAR Class 8X SAR Class 8Y SAR Class 8Z SAR Class 9 SAR Class 10 SAR Class 10A SAR Class 10B SAR Class 10C SAR Class 10D SAR Class 11 SAR Class 12 SAR Class 12A SAR Class 12B SAR Class 13 SAR Class 14 SAR Class 14A SAR Class 14B SAR Class 14C 1st SAR Class 14C 2nd SAR Class 14C 3rd SAR Class 14C 4th SAR Class 15 SAR Class 15A SAR Class 15B SAR Class 15C SAR Class 15CA SAR Class 15E SAR Class 15F SAR Class 16 SAR Class 16A SAR Class 16B SAR Class 16C SAR Class 16D SAR Class 16DA 1928 SAR Class 16DA 1930 SAR Class 16E SAR Class 17 SAR Class 18 SAR Class 19 SAR Class 19A SAR Class 19B SAR Class 19C SAR Class 19D SAR Class 20 SAR Class 21 SAR Class 23 SAR Class 24 SAR Class 25 SAR Class 25NC SAR Class 26 SAR Katanga SWA 2-8-0
Cape gauge Articulated engines	CGR Fairlie CGR Kitson-Meyer SAR Class FC SAR Class FD SAR Class GA SAR Class GB SAR Class GC SAR Class GCA SAR Class GD SAR Class GDA SAR Class GE SAR Class GEA SAR Class GF SAR Class GG SAR Class GH SAR Class GK SAR Class GL SAR Class GM SAR Class GMA SAR Class GO SAR Class HF SAR Class KM SAR Class MA SAR Class MB SAR Class MC SAR Class MC1 SAR Class MD SAR Class ME SAR Class MF SAR Class MG SAR Class MH SAR Class MJ SAR Class MJ1 SAR Class U
2' 6" gauge	Cape Copper John King & Miner Cape Copper Britannia Cape Copper Caledonia Cape Copper Clara Cape Copper Condenser Cape Copper Scotia Namaqua Copper Pioneer Walvis Bay 2-4-2T Hope
2' & 600mm gauges	ACR Class NG-G16A CGR NG 0-4-0T CGR NG 0-6-0T CGR NG 4-6-2T CGR Type A 2-6-4T CGR Type C 0-4-0T NGR Class N 4-6-2T SAR Dutton SAR NG 0-4-0T SAR Class NG1 SAR Class NG2 SAR Class NG3 SAR Class NG4 SAR Class NG5 SAR Class NG6 SAR Class NG7 SAR Class NG8 SAR Class NG9 SAR Class NG10 SAR Class NG-G11 SAR Class NG-G12 SAR Class NG-G13 SAR Class NG-G14 SAR Class NG15 SAR Class NG-G16 SWA Class Ha SWA Class Hb SWA Class Hc SWA Class Hd SWA Jung SWA Zwillinge

Electric

Amcoal Class E38

Gas-electric

SAR Gas-electric

Diesel

Cape gauge Diesel–electric	PRASA Class Afro 4000 SAR Class DS SAR Class DS1 SAR Class 31-000 SAR Class 32-000 SAR Class 32-200 SAR Class 33-000 SAR Class 33-200 SAR Class 33-400 SAR Class 34-000 SAR Class 34-200 SAR Class 34-400 SAR Class 34-500 SAR Class 34-600 SAR Class 34-800 SAR Class 34-900 SAR Class 35-000 SAR Class 35-200 SAR Class 35-400 SAR Class 35-600 TFR Class 35-800 SAR Class 36-000 SAR Class 36-200 SAR Class 37-000 Spoornet Class 39-000 TFR Class 39-200 TFR Class 43-000 TFR Class 44-000 TFR Class 45-000
2' gauge Diesel–electric	SAR Class 91-000
Cape gauge Diesel–hydraulic	SAR Class 61-000
Cape gauge Electro-diesel	Spoornet Class 38-000

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Steam locomotive tenders of South Africa

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