
sr klaas 6pull

landanum braittanum, vestt verthing, eestbornum thammilulla roottukalil pravartthikkaan nirmmicha 6 pull, 6 sitti, 6 paan tuu electric multiple unitukal ennivaykku thekkan railway (sr) padavi nalki. eee unitukalonnum britiish reyil udamasthathayil oru topp klaas nambar anuvadikkaan mathiyaya kaalam nilaninnilla. 1935 vare 6 pull unitukal 6 coor aayi naamanirddesham cheyyappettu (coor padavi pinneedu 4 coor unitukalkku upayogichu).
prototype kaarukal 11001-11002.
11001, 11002 ennee coach nambarukal lunden muthal vaidyutheekaranathinaayi vikasippichukondirunna mainline stokkinaayi motor break vahanangal oodikkunna prototyppaayirunnu. aadyathethu birmingham railway kyarej aandu vaagan kambaniyum (bii. aarr. sii. dablyu) randaamathethu metropolittan camel kyarej aandu vaagan kambaniyum chernnaanu nirmmichathu. 1931 octoberil avatharippicha iva randum muun lunden, southu vestten railway vandikalil ninnu yoonit nambar 2001 aayi parivartthanam cheytha moonnu trailerukalumaayaanu oodichathu.
eee unitumaayulla pareekshanangal poortthiyaaya sesham settu pirichuvidukayum rund prototype driving kaarukal yathaakramam 6 sitti unitukalaayi 2041,2042 aayi parishkarikkukayum cheythu. 2001leeii yoonit nambar pinneedu 6 pull yoonittukalil onninaayi veendum upayogichu.
nirmmaanam.
puthuthayi vaidyutheekaricha landanilekkulla braittan roottil uyarnna nilavaaramulla thaamasoukaryam nalkunnathinaayi 1932 ll 6 pull (6-kaar pullman stokku, nambarukal <aii. dii. 2>), 6 sitti (6-kaar sitti stokku, nambarukal <aii. dii. 1>) unitukal nirmmichu. rund tharatthilulla unitukalilum oronnum oru pullman composit kichan kaar ulppedunnu, avaa metropolittan camel nirmmichathum pullman kaar kambani seereesil 256 muthal 278 vare ennamullathumaanu.
pullman kaar ozhikeyulla moonnu trailerukalkum phastt klaas thaamasoukaryangal undayirunnathinaal maathramaan 6 sitti unitukal 6 pull yoonittukalil ninnu vyathyasthamaayath. lunden bridjile braittan roottilekkulla (6 pull unitukal upayogicha lunden victoria roottinu vipareethamaayi) upayogathinaayi avaa samarppikkappettu, koodaathe nagara thozhilaallikal upayogikkunna trainukalkkaayi uddeshichullavayaayirunnu, athinaal avaykku eee padavi nalki.
vaidyutheekaricha shringhala ayirilekku vipuleekarichathinethudar 1935-ll 6 paan (6-kaar pantry unitukal, nambarukal 2021-2037) unitukal avatharippichu. avaa 6 pull unitukalkku samanamaayirunnu, pullman kaarinu pakaram oru phastt klaas daining kaar oru pantriyumaayi maatti. eee samayam muthal, 6 paan upayogichu 6 pull allengil 6 cityilekku 12 kaar trainukal roopeekarichu.
6 paan yoonittukalude varavu vare, 6 pull unitukale 6 coor (6-kaar corridor stokku) ennu vilichirunnu, chuvade vishadeekarichathupole, coor enna padavi pinneedu eee stokku vividha kaaranangalal veendum upayogichu. 1937 januvariyil moonnu tharatthilulla unitukaludeyum ennam 20xx ll ninnu 30xx aayi parishkarichu.
roopeekaranangal.
eee yoonittukalude prarambha roopeekaranangal iprakaaramaayirunnu (kochukal samkhyaakramathil roopappettirunnilla):
eee settukalil upayogichirunna pullman kaarukalkk thaazhepparayunna nambarukal nalkukayum perukal nalkukayum cheythu
parishkaranangalum mathaparivarthanangalum.
1942 meyy muthal 1946 meyy vare eee yoonittukalile pullman kaarukal pinvalikkukayum braittanile pullman varkshoppukalil sookshikkukayum cheythu. randaam lokamahaayudhasamayathu railway stokkil ninnu pulman mattu restorantukalum daining kaarukalum pothuvaayi pinvalichathinte bhaagamaayirunnu ithu. eee kaalayalavil, 6 pull, 6 sitti stokkukale 5 coor ennu vilichirunnu. pullman kaarukal sevanathilekku thirichethiyappol, avayellaam yudhathinu munbu undaayirunna athe yoonittukalil ulppeduthiyirunnil. parishkarichava ivayaayirunnu
1947lum 1948lum, moonnu aarr sitti unitukal avarude moonnu trailer aadya vaahanangale trailer moonnaamathethu (nambar 10113-10115), rund trailer komposittukal (11862-11867) enningane punarvarggeekarichukondu staanderd allatha 6 pull unitukalaayi parivartthanam cheythu.
6 pull, 6-paan unitukal pirichuvittathinushesham, pala vandikalum muun 4-rez, 4-coor stokkinoppam sarvees thudarnnu. eee parishkaricha unitukale 4 pull, 4 coor, 4 coor (enn), 6 coor allengil 6 tii. sii enningane tharamthirichittundu.
6 tii. sii.
onniladhikam yoonittukalile driving cabil ninnu deesal locomotive vidooramaayi pravarthippikkaan anuvadikkunna push-pull upakaranangal pareekshikkunnathinayi 1965laanu 6 tissy yoonit roopeekarichathu. athaayirunnu 
muun 4 coor driving motor kaarukal, avayude motorukal neekkam cheyyukayum end gaangwekal neekkam cheyyukayum cheythathum 6 paan/6 pull trailer kaarukalum ulkkollunnu. athe samayam unitinoppam pravarthikkunnathinu oru klaas 33 locomotive parishkkarichu.
1966-nte thudakkam muthal, pareekshanathmaka train ookst lainil upayogikkukayum pinneedu clafam jangshanilekku kensington olimbiya sarveesilekku maattukayum cheythu. pareekshanangal vijayakaramaayirunnu, klaas <aii. dii. 1> locomotteevukal upayogichu bonmouthu lainil pravarthikkunnathinu 3 tii. sii, 4 tii. sii yoonittukalude ulppaadanathilekku ithu nayichu. ennirunnaalum, 6 tii. sii yoonittin hraswakaala ayuss undaayirunnu, apakadatthe thudarnnu kedupaadukal sambhavichathine thudarnnu pinvalichu.
samrakshanam.
munkaala 6 pull pullman kaarukal 264 "rooth", 278 "bertha" enniva samrakshikkappettittund, ippol saadhaarana locomotive-hold pullman kaarukalaayi upayogikkunnu. 264 enna nambar venis simplan ooriyant express fleettinte bhagamaanu, pradhana lainil charter trainukal pravartthikkunnu, 278 swakaarya udamasthathayilulla kaarnfortthil aanu.
niravadhi pull, paan yoonit vandikalude underframeukal enchiniyaring vakupp long velded reyil kaariyarukalaayum crain rannarukalaayum veendum upayogichu.

