
dakshinaafrikkan klaas ds

1939 leeii dakshinaafrikkan railway klaas ds oru deesal-electric locomotive aayirunnu.
dakshinaafrikkan reyilveyile aadyathe deesal-electric locomotive single klaas ds eiji deesal-electric shunting locomotive aayirunnu, ithu 1939 ll darbaninaduthulla kongella yardle sevanathil sthaapichu.
deesal-steem thaarathamyam.
1935 oode dakshinaafrikkan railwake (saar) deesal locomotteevukal vaangunnathinekkurichu chodyam gauravamaayi pariganichu. akkaalat lokathile ettavum kuranja pitt-head vilayullathum annakkinarukalillaathu dakshinaafrikka kalkari sambannamaaya raajyamaayirunnuvenkilum deesal-electric locomotivinu anukoolamaaya gunangalundaayirunnu. vazhiyil vellam edukkenda aavashyamillaayirunnu, indhanam niraykkukayo locomotteevukal maattukayo cheyyaathe valare neenda oottam nadatthaan kazhiyumaayirunnu, koodaathe labhyathayude nirakk valare kooduthalaayirunnu.
aadya chelavukal neeravi locomotteevukalkku anukoolamaayirunnu, valuppam vardhichathode oro yoonit vaidyuthikkum chelavu kuranju, deesal-electric illaatha oru nettamaayirunnu athu. thulya oorjjamulla neeravi lokkomotteevukalekkaal aadya vilayil saadhaaranayaayi moonno naalo madangu kooduthalaayirunnu deesal-electric locomotteevukal. koodaathe, supercharge cheythillengil, oru deesalinu uyarathil oro vardhanavinum anusarichu athinte rettucheytha vaidyuthi ulppaadanathinte 3 sathamaanam nashtappettu.
nirmmaathaav.
dakshinaafrikkayileyum thekk padinjaaran aafrikkayileyum varanda pradeshangalil, prathyekichu dii aarr muthal uppington vazhi keatmanshoop vareyulla vibhaagathil nalla nilavaaramulla jalavitharanam labhikkunnathin neritta prashnangalude falamaayi, deesal power traction pareekshikkaan saar theerumaanikkukayum 1939 ll aadyathe rund deesal-electric shunting locomotteevukal avatharippikkukayum cheythu.
ivayil aadyathethu chakra krameekaranamulla orotta eratta enchin sentar kyab locomotive aayirunnu, ithu berlinile ooljemeyn electricitaats-jesselshaft (eiji) ll ninnu shunting enchinaakki upayogikkunnathinaayi oordar cheythu. thudakkathil dii137 enna nambarulla eee locomotive, vaidyutha locomotive nambar shreniyilaayirunnuvenkum deesalinu "dii" ennathinekkaal "iii" enna electric nambar prefix upayogichaayirunnu.
savisheshathakal.
kyaabinte iruvashathumulla rund mashinan fabric ogsburg-nurnberg (maan) ettu silindar deesal enchin prime moovarukalaayirunnu locomotivinu karuth pakarunnath. oro enchinum cabin idayil oru eiji maine generatorum oru eiji ooksilari generatorum nerittu gadippichirunnu. oro enchinum oru faanu upayogichu vaattar kool cheythirunnu, athu athinte enchin beltt upayogichu nayikkukayum parambaraagatha radiatoriloode vaayu valikkukayum cheythu.
oronninum rund dissy traction motorukal seereesil krameekarichirikkunna klaas 1iii electric locomotivinode valare saamyamullathaayirunnu bogikal. oro boggy axilinum fozhsu-ventittad axel-suspended dissy traction motor undaayirunnu, oro bokkiyilum rund motorukal electricalaayi shreniyil krameekarichirikkunnu. iru dishakalilekkum pravartthanam saadhyamaakkunnathinu kaabil yaanthrikamaayi interlock cheytha duval kantrolukal sajjeekarichirunnu.
sevanam.
darbaninaduthulla kongella yaardilaan locomotive sthaapichirunnathu. prakadanatthinte adisthaanathil phalangal niraashaajanakamaayirunnuve athu 28 varshatholam sevanathil thudarnnu.
saarile aadyathe deesal-electric locomotive oduvil cape tounilekku vazhi kandethi, avide 1966 novemberil uppu nadiyile jolikalil athu polikkukayum cheythu.

