bmc sii-seerees enchin

1954 muthal 1971 vare nirmmicha oru strait-6 automobile enchinaanu bmc sii-seerees. austin roopakalppana cheytha eiii-seerees, bii-seerees enchinukalil ninnu vyathyasthamayi, ithu coventriyil oafees varaykkunna morris enchinukalil ninnaan vannath, athinaal athinte leauttilum roopakalppanayilum adutha bandhamullah mattu rund designukalil ninnu ganyamaayi vyathyaasamund. 1948 muthal 1954 vare yudhaananthara morris six ems, volsley 6/80 ennivayil upayogichirunna muun 2.2 littar strait-6 overhead kaamshaaft enchinte vipuleekaricha overhead valve vikasanamaan sii-seerees ennathukondu, ithu thanne side-valve roopathil morris ooksfoord moykkum overhead kaamshaaft roopathil volsley 4/50 num bandhapetta 1.5 littar 4 silindar enchinte adisthaanamaayi maari. sheshi vardhippikkunnathinaayi virasathayunarthiya oru under square strokkinoppam sthaanachalananirakku 2.6 muthal 2.9 littar vareyayirunnu.
dauthyam.
yudhathinu munbulla roopakalppanakalkkaayi bii. emm. siyude paarambaryamaayi labhicha vaividhyamaarnna enchinukalkku pakaram aasttinte yudhakaala roopakalppana cheytha naalu silindar bii. ezz. 1. oru long strock enchin, bii. emm. sii samakaalikarekkaal chathuratthinu aduthaanengilum, weslake pettantukal upayogichu kaast ayann block silindar head upayogichu, athinte overhead vaalvukal pushrodukaliloodeyaanu pravarthippichathu. munbu, rilikal hraswa pushrodukalulla uyarnna mounded eratta kaamshaafttukalum volsleekal single overhead kaamshaafttukalum upayogichirunnu. eratta-kaam rillie, oechsi volseli enchinukal nirmmikkaan chelaveriyathum kuranja alavil vilkkunnathumaayirunnu, randinum vishwaasyatha prasnangal undaayirunnu, prathyekichu uyarnna bhaarathil amita choodaakkunna vaalvukal. sii-seereesinte hraswaroopam nirmmikkanum sevanathinum eluppamullathum nilavilulla valia austin naalu silindar power unitukalekkaal kooduthal parishkarichathum vishwaasyathaykkum deerghakaala sevana jeevithathinum oonnal nalkunnathumaaya kooduthal parambaraagatha roopakalppanayaayirikkanam. sii-seerees polulla enchin aavasyamulla valippathilulla sports modalukal bii. emm. sick illaathathinaal design ghattathil uyarnna prakadanam munkootty kandirunnilla.
morris roopakalppana cheytha sii-seerees austin-ezhuthiya eiii-, bii-seerees enchinukalum thammilulla ettavum valia design vyathyasam kaamshaafttinte sthaanamaayirunnu-blokkinte valathuvashath (kaarinullil ninnu kaanunnathupole) idathuvashathekkaal, ennirunnaalum moonnu enchinukalkkum idathuvashathu inlettu, exhost porttukal undaayirunnu. ithinartham sii-seereesinu austin enchinukalude samyuktha porttukal aavasyamilla, avaa silindar headle pushrodukalkku idam nalkaan bhaagikamaayi aavashyamaayirunnu. haari weslekkinte athe valare phalapradamaaya hridaya aakruthiyilulla jwalana chembar design ippozhum upayogikkunnathinaal ithu saidhaanthikamaayi, cheria enchinukalekkaal mikacha 'shwasana' vum kaaryakshamathayum sii-seereesinu nalkendathundu. ennirunnaalum carburator krameekaranangal ithu durbalapedutthi; oru samarppita intake manifoldinu pakaram silindar headylake erinja oru intake gallery upayogichaanu sii-seerees roopakalppana cheythath, carburator (kall) intekkumaayi (kall) nerittu gadippichirikkunnu. nirmmaanatthinte eluppathinum vyathyastha carburator krameekaranangal eluppathil ulkkollaan anuvadikkunnathinum roopakalppana carburator icing illaathaakkunnathinum vendiyaanu eee design thiranjedutthathu. oro silindarinum galleryil ninnu udaaramaaya valippathilulla intake portt undaayirunnu, ennaal galleryudeyum carburator porttinteyum (kall) niyantritha aakruthi enchinte paramavadhi power aouttputtum vegathayum kadinamaayi parimithappedutthi, athupole thanne naalu-bairing crankshaftum. sii-seereesinte eratta kyaam veriyantinu padhathikal undayirunnathaayi thonnunnu, reelikalilum volselikalilum upayogikkunnathinu mga twin kaamile dohk bii-seereesinte athe adisthaana thalayum valvum roopakalppana upayogikkunnu. ithu staanderd enchinte thaarathamyena saahasikamallaatha roopakalppanaye vishadeekarikkunnu. ennirunnaalum, eratta-kaam bii-seereesinte vishwaasyatha prashnangalum rili pathfinderinte sammishra sweekaranavum bii. emm. siye eee vikasanam pinthudarunnathil ninnu niruthsaahappeduthukayum 1955 ll pravartthanam nirthukayum cheythu.
roopakalppanayude morris uthbhavathinte mattu adayaalangal vaariyellukal shakthippeduthunna crankase (1980 vare eiii-seereesil avatharippikkappedaatha oru savisheshatha), valia end bairingukal thirascheenamaayi vibhajikkunnathinupakaram thirascheenamaayi vibhajikkappeduka ennivayaayirunnu. sii-seereesinu athinte timing cheyin vendi oru hydrolic tensioning yoonittum undaayirunnu, koodaathe oayil pump, distributor enniva camshaftil prathyeka settu scue-katt gearukal vazhi oodikkukayum cheythu. akkaalathe vanthothil uthppaadippikkappedunna enchinukalkku ithu thaarathamyena asaadhaaranamaayirunnu; eiii, bii seerees enchinukalkkum avayude samakaalikaril mikkavarkkum enna pambum vitharanakkaranum oru scue gearil ninnu nayikkunna oru shaaft undaayirunnu. sii-seerees krameekaranam gearukalile looad kuraykkukayum athinaal kaalakramena ignition samayam specificationil ninnu veezhunnathu thadayukayum cheiyunnu.
designil eedunilppinum nirmmaanatthinte eluppathinum oonnal nalkunnathinaal, sii-seerees ellaayppozhum athinte seshikkum oorjja ulppaadanathinum valuthum bhaarameriyathumaaya oru enchinaanennu kanakkaakkappedunnu, thudakkathil aarr silindarukalude valia parishkkaranatthinupurame, atlaantik, austin eiii 90, austin-healey 100 ennivayil sthaapicha austin roopakalppana cheytha naalu silindar 2.6-litre bs 1 enchininekkaal cheria nettamundennu theliyikkunnu. oosttinte enchineeyarmaar ithinu mosham silindar head design kaaranamaanennu paranju. 1957-ll vaidyanu parambaraagatha upabhogam palamadangu ulla panthrand portt head nalki, ithu uthppaadanam pathinanju sathamaanam vardhippichu. 1959ll carburettarukal parishkarikkukayum maattisthaapikkukayum cheythu. 1961ll inlettu tract mechappeduthukayum exhost samayam krameekarikkukayum eratta exhostukal cherkkukayum cheythu. pinneedu 1961-ll saloon enchinukal cheruthaayi verpeduthukayum orupakshe weslake vazhi healey pathippinte prakadanam mechappeduthukayum cheythu. thudarnnu austin healey maarkk III prakhyaapichu.
sii-seerees kuravaayirunnu, enchineeyaringinte adisthaanathil ithu nafeeldinte enchinukalil ninnulla oru pinnoca ghattamayirunnu rillie arm seereesil gadippicha rili roopakalppana cheytha rili 21⁄2 littar bigg phoor twin-kaam phoor silindar yoonit, riliyude prewar kaarukal, volseli roopakalppana cheytha volseli 2.2-litre strait six, 1920 kalude thudakkathil volseli 6/80 nte morris six ems pathippil upayogicha orotta overhead kaamshaaft.
britiish jeeppinaayi uddeshichittulla oru 2.2-litre OHV unitinaayi, austin dii-seerees ennariyappedunna bedford aasthaanamaayulla yudhakaala truck enchinte moonnil rund bhaagavum, sivilian austin chaambyanaayi marria oru yudhakaala ricks, berham roopakalppanayaayi austin bs 1 aarambhichu. athinte upayogam oosttinte pathinaarilekkum avarude laghuvaaya vaanijya vaahanangalilekkum vaahanangalilekkum taxiyilekkum vyaapichu.
ennirunnaalum, sii-seerees eee unitukalekkaal valare vishwasaneeyavum nirmmikkaan vilakuranjathumaayirunnu.
punaravalokanam.
punaravalokanam kaar vipani nirantharam vardhichuvarunna shakthiyum prakadanavum aavashyappedumbol, prathyekichu austin-healis polulla sports kaarukalil ninnu bmcyude enchineeyarmaar naalu pradhana bairingukalulla nilavilulla sii-seereesinu rooad upayogathekkaalum hraswakaala malsarathekkaalum kooduthal vishwasaneeyamaayi thangaan kazhiyillennu nigamanam cheythu. crank shaaft pinthunayude aapekshika abhavam kaaranam naalu-vahikkunna enchin athinte paramavadhi bhramana vegathayil parimithamaayirunnu.
austin-healey 3000-nuu ippozhum sakthamaaya demand austin 3 littar vikasippichukondirikkum power outtputtu mechappeduthukayum enchinte bharavum mothatthilulla valipavum kuraykkukayum cheyyuka enna lakshyathode bmc sii-seereesinte samagramaya punarroopakalppana nadatthi. ezhu pradhana bairingukal vahikkunnathinaayi enchin punarnirmmichu (naalu bairing pathippumayi thaarathamyappeduthumbol oronninum veethi kuranju), steel anubandha castingukal saadhyamaakunnidathellaam aluminium aloy castingukalkku maatti. pradhana blokkukalum silindar head castingukalum ore silindar sheshi nilanirtthi vipulamaayi punarroopakalppana cheythu-dwaarangal ippol thulya akalathilaayitheernnu, aarr dwaarangalkkum idayil koolant gallery undaayirunnu, athesamayam yadhaartha sii-seereesil oro jodiyilum dwaarangalkkidayil koolant illaathe moonnu jody 'siamased' dwaarangal undaayirunnu. athupole, puthiya silindar headle weslake combussion chembarukal samamithiyayi sthithicheyyukayum oro borilum kendreekrithamaakkukayum cheythu, yadhaartha enchinilennapole exhost vashathekku offset cheiyunnathinupakaram. eee rund maattangalum, bairingukalude vardhicha ennavum enchinte pradhana aantharika bhagangal ettedukkunna mothatthilulla voliyathilekku cherthappol, blokkinte puram koolant gaalarikal melinjathaakkukayum pradhana castingukal thanne nerthathaakkukayum cheythu, athinaal punarroopakalppana cheytha enchin yadhaarthathil pazhaya pathippinekkaal mothatthilulla neelatthil 1.75 inch (4.45cm) cheruthaanu. kooduthal kaaryakshamamaya 'shwasanathinaayi', prathyekichu uyarnna enchin vegathayil, maanifoldukal maatti.
30 sathamaanam bharam kuraykkaanum paramavadhi vishwasaneeyamaaya vaidyuthi uthppaadanam nadathaanumaanu bmc lakshyamidunnathu. kuranja bharam laabhikkunna saahacharyathil-puthukkiya enchin pazhaya pathippinekkaal bharam kuranjathaayirunnu. maarkk 2' sii-seerees enchinte pradhana thirichariyal savisheshatha valare idungiya rocker cover aanu, ithu silindar headinte pakuthiyolam veethiyullathaanu, athesamayam yadhaartha enchinu eathaandu poornna veethiyulla cover undu.
puthiya enchin labhyamaakumbozhekkum austin-healey 3000 upekshichu pakaram emm. jii. sii. sthaapichu. parishkaricha enchinte valia shakti yadhaarthathil upayogichittilla, koodaathe power aouttputtukal yadhaartha 2.9-litre enchinumaayi vishaalamaayi saamyamullathaayirunnu. austin-healey 3000-leeii pazhaya enchin nediya paramavadhi auttputtinekkaal alpam kuravaayirunna eee kuravu, pradhana bairingukalude ennam kooduthalaayirunnathinal valia aantharika gharshanathe kuttappedutthi, ore carberation tuning moolamaanu yadhaartha enchin. 
racing enchinukal.
enchinukal 1968lum 12 manikkoor sebring resukalkkaayi nirmmicha emm. jii. siyude aarr prathyeka racing pathippukal parishkaricha sii-seereesile saadhyathakalude bhooribhaagavum pradharshippichu. emm. jii. sii jii. tii. ezz ennu vilikkappedunna eee kaarukal sii-seerees enchinte prathyeka pathippukal upayogichu. aadyathe kaar nirmmichathu thalayum block aluminium aloi upayogichu nirmmicha oru enchinaanu, pakshe ithu prashnakaramaanennu thelinju, ellah kaarukalum oduvil oru aloy hedullah staanderd irumbu block upayogichu. thalaykku uyarnna compression anupatham, valia vaalvukal (foord essex vii 6 ll ninnu), parishkaricha porting, punarroopakalppana cheytha exhost sisttam, triple twin-chokku weber carburettarukal enniva undaayirunnu. sii-seereesinte eee prathyeka pathippukal punarroopakalppana prakriyayil pratheekshichathupole sareerabhaaram kuraykkukayum eluppavum vishwasaneeyavumaakkukayum cheythu. ennirunnaalum eee enchinukalude antharleenamaaya vilayum emm. jii. sii, austin 3 littar ennivayude vaanijyaparamaaya parajayavum ardhamaakkunnathu eee mattangalonnum ulppaadana unitukalkkaayi pariganichirunnilla ennaanu.
oodunnathinte avasaanam.
oru muzhuvan irumbu, overhead-valve enchin enna nilayil, sii-seerees athinte nirmmaanathinteyum power-tuu-veytt anupaathathinteyum kaaryatthil kaalaharanappettathayi maarukayayirunnu. kazhinja rund kaarukal instaal cheythathinte mosham vilppana prakadanatthinu eee gadakangal pradhana sambhavana nalki. 1972ll avatharippicha iii-seerees enchininte 2.2, <aii. dii. 1> strait-aarr pathippukal oru cheria edavelaykku sesham ithu phalapradamaayi maatti. iii-seerees naalu silindarukalude athe toolingil nirmmicha valia sheshiyulla aarr silindar enchinukal nalki.

