| 词条 | South West African 2-8-0 | |||
| 释义 |
| name = GSWA Eight-Coupled Tender 2-8-0 South West African 2-8-0 | image = South African O&K 2-8-0.jpg | alt = | caption = Eight-coupled Tender with auxiliary water tank wagon on a trainload of whale bones, Walvisbaai, c. 1925 | hatnote = | powertype = Steam | designer = Orenstein & Koppel | builder = Orenstein & Koppel | ordernumber = | serialnumber = 4614-4621 | buildmodel = | builddate = 1911 | totalproduction = 8 | rebuilder = | rebuilddate = | numberrebuilt = | whytetype = 2-8-0 (Consolidation) | uicclass = 1'Dn2 | driver = 3rd coupled axle | gauge = {{Track gauge|Cape|allk=on}} | leadingdiameter = {{convert|27+9/16|in|mm|0|abbr=on}} | coupleddiameter = {{convert|39+3/8|in|mm|0|abbr=on}} | trailingdiameter = | tenderdiameter = {{convert|27+9/16|in|mm|0|abbr=on}} | minimumcurve = | wheelbase = {{convert|40|ft|11+5/16|in|mm|0|abbr=on}} | engine total = {{convert|24|ft|9+3/4|in|mm|0|abbr=on}} | leading = | coupled = {{convert|11|ft|9+3/4|in|mm|0|abbr=on}} | trailing = | tender total = {{convert|13|ft|5+7/16|in|mm|0|abbr=on}} | tenderbogie = {{convert|4|ft|3+3/4|in|mm|0|abbr=on}} | pivotcentres = | wheelspacing = | length = | over couplers = {{convert|50|ft|3/4|in|mm|0|abbr=on}} | over bufferbeams= | width = | height = {{convert|12|ft|8+1/2|in|mm|0|abbr=on}} | frametype = | axleload = {{convert|7|lt|8|lcwt|kg|sigfig=4|abbr=on}} | leadingbogie/pony= | coupled all = | coupled 1 = | coupled 2 = | coupled 3 = | coupled 4 = | coupled 5 = | coupled 6 = | coupled 7 = | coupled 8 = | trail bogie/pony= | tenderbogieload = | tenderaxle = | weightondrivers = | locoweight = {{convert|34|lt|10|lcwt|kg|sigfig=4|abbr=on}} | tenderweight = {{convert|31|lt|10|lcwt|kg|sigfig=4|abbr=on}} | locotenderweight = {{convert|66|lt|kg|sigfig=4|abbr=on}} | tendertype = 2-axle bogies | fueltype = Coal | fuelcap = {{convert|2|lt|t|1|abbr=on}} | watercap = {{convert|3520|impgal|l|sigfig=3|abbr=on}} | tendercap = | sandcap = | fireboxtype = Round-top | firearea = {{convert|19.5|sqft|m2|abbr=on}} | boiler = | boilertype = | pitch = {{convert|7|ft|6+9/16|in|mm|0|abbr=on}} | diameterinside = | lengthinside = | smalltubediameter= 180: {{convert|1+3/4|in|mm|0|abbr=on}} | largetubediameter= | boilerpressure = {{convert|171|psi|kPa|0|abbr=on}} | safetyvalvetype = | feedwaterheater = | totalsurface = {{convert|899|sqft|m2|abbr=on}} | tubearea = | archarea = | fluearea = | tubesandflues = | fireboxarea = | superheatertype = | superheaterarea = | generator = | cylindercount = Two | cylindersize = {{convert|14+9/16|in|mm|0|abbr=on}} bore {{convert|19+1/16|in|mm|0|abbr=on}} stroke | frontcylindersize= | rearcylindersize = | hpcylindersize = | lpcylindersize = | valvegear = Heusinger | valvetype = Murdoch's D slide | valvetravel = | valvelap = | valvelead = | transmission = | trainheating = | locobrakes = | trainbrakes = | safety = | coupling = Buffer-and-chains | maxspeed = | poweroutput = | tractiveeffort = {{convert|13580|lbf|kN|abbr=on}} @ 75% | factorofadhesion = | locobrakeforce = | operator = Lüderitzbucht Eisenbahn South African Railways | operatorclass = | powerclass = | numinclass = 8 | fleetnumbers = LE 151-158 | officialname = | nicknames = | axleloadclass = | deliverydate = 1911 | firstrundate = 1911 | lastrundate = | withdrawndate = | preservedunits = | restoredate = | scrapdate = | currentowner = | disposition = | notes = }} The South West African 2-8-0 of 1911 was a steam locomotive from the German South West Africa era. In 1911, eight tender locomotives with a 2-8-0 Consolidation type wheel arrangement were placed in service by the Lüderitzbucht Eisenbahn (Lüderitzbucht Railway) in German South West Africa. After the First World War, the territory came under South African administration and all eight locomotives came onto the roster of the South African Railways. They were not classified or renumbered and were simply referred to as the Eight-Coupled Tenders.[1][2][3] ManufacturerIn 1911, eight Cape gauge tender locomotives with a 2-8-0 Consolidation type wheel arrangement were delivered to the Lüderitzbucht Eisenbahn in German South West Africa. They were built by Orenstein & Koppel between February and April 1911 and numbered in the range from 151 to 158.[1][3][4] CharacteristicsThese locomotives had larger boilers than the Eight-Coupled Tank locomotives which had been delivered from the same manufacturer between 1907 and 1910, but their cylinders, frames and motion were interchangeable with those of the tank engines. As on the tank engines, the second pair of coupled wheels had a total sideplay of {{convert|13/32|in|mm|0|abbr=off}}, while the trailing coupled wheels had a sideplay of {{convert|1|in|mm|0|abbr=off}}. The locomotives were equipped with dust shields over the coupled wheels and valve gear to protect the moving parts from blown sand in the Namib desert.[1][3][4] The tender rode on two four-wheeled bogies. As built, it had a water capacity of {{convert|3520|impgal|l|sigfig=3|abbr=off}} and a coal capacity of only {{convert|2|lt|t|1|abbr=off}}. Photographs show that the coal bunker sides of the tenders were raised by fitting a slatted open-top cage made of rectangular steel rods on top of the coal bunker to increase the coal capacity.[1] ServiceLüderitzbucht EisenbahnThe locomotives initially entered service on the Lüderitzbucht Eisenbahn or Südbahn, but they eventually mainly served on the Nord-Südbahn or North-South Railway between Windhoek and Keetmanshoop once that line was completed in 1912. As a result of the scarcity of water in the territory, they often ran with an auxiliary water tank wagon coupled behind their tenders.[1][3][4] South African RailwaysOn 1 April 1922, all railways in the former German colony came under the administration of the South African Railways (SAR). All eight locomotives had survived the First World War to be taken onto the SAR roster. They retained their German colonial era engine numbers and were not classified by the SAR, but were simply referred to as the Eight-Coupled Tenders.[2][3] The Eight-Coupled Tenders remained in SAR service in South West Africa into the late 1930s. One was photographed in service on a passenger train at Swakopmund as late as 7 October 1937.[2][5] IllustrationReferences{{Commonscat|South African 8-coupled tender (2-8-0)|South West African 2-8-0|position=left}}1. ^1 2 3 4 Espitalier, T.J.; Day, W.A.J. (1948). The Locomotive in South Africa - A Brief History of Railway Development. Chapter VII - South African Railways (Continued). South African Railways and Harbours Magazine, January 1948. pp. 30-31. {{Locomotives of South West Africa}}{{Locomotives of South Africa}}2. ^1 2 {{Paxton-Bourne|pages=98-99, 149}} 3. ^1 2 3 4 {{Dulez 150|page=35}} 4. ^1 2 Lieferverzeichnis O and K Dampfloks 5. ^The Crawford Homepage. Photos from Africa 1937. All photos on this page by Aage V. Andersen 1937 (Accessed on 8 July 2016) 8 : SWA locomotives|2-8-0 locomotives|1D locomotives|Orenstein & Koppel locomotives|Cape gauge railway locomotives|Railway locomotives introduced in 1911|1922 in South Africa|Scrapped locomotives |
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