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Semi-motor: Semi-motor yog dab tsi?Koj phau ntawv qhia lub cev muaj zog hemisphere

Muaj cov lus tshaj tawm nto moo hauv North America: "Yog, nws muaj Hemi".
Qhov tseeb, qhov no tsis yog ib lo lus nug yooj yim los teb, vim qhov tseeb plaub lub cav series ntawm Chrysler tsev neeg tag nrho nqa cov Hemi lag luam daim ntawv lo.Ib tug ntawm lawv yog ib tsev neeg ntawm cov fais fab nroj tsuag tshwj xeeb rau Australia.
Nyob rau tib lub sij hawm, dab tsi yog tus (lowercase "h") ib nrab cav?Nws tag nrho boils mus rau cov duab ntawm lub combustion chamber; qhov chaw nyob rau hauv lub cav qhov twg huab cua thiab roj yeej hlawv kom tsim torque, uas yog lub zog uas tig lub crankshaft thiab thaum kawg lub log ntawm lub tsheb.
Hemi txhais li cas? Yeej, cov duab ntawm lub combustion chamber no zoo li ib nrab pob ntaus pob tesniv, los yog roughly hemispherical, yog li nws yog hemispherical.Qhov no tso lub txim plug roughly nyob rau hauv nruab nrab ntawm lub combustion chamber kom ua tau zoo nplaim propagation thiab cia cov siv cov khoom siv loj thiab cov pa tawm (qhov loj dua txhais tau tias muaj cua thiab roj ntau hauv thiab tawm).
Tus ntoo khaub lig-flow tsim qhov twg huab cua thiab roj nkag los ntawm ib sab ntawm lub combustion chamber thiab tawm los ntawm lwm sab kuj pab txhim kho tag nrho cov efficiency.
Chrysler tsis txhais tau tias tsuas yog lub tsheb tsim khoom siv lub tshuab hluav taws xob hemispherical combustion chamber, tab sis ua tsaug rau cov khawv koob ntawm kev lag luam, nws tau dhau los ua cov khoom lag luam zoo tshaj plaws rau kev teeb tsa.
Thaum ntxov li xyoo 1907, Fiat paub txog lub peev xwm ntawm kev tsim ib nrab thiab coj nws mus rau txoj kev nrog nws lub tsheb Grand Prix.
Interestingly, lub advent ntawm multi-valve lub tog raj kheej taub hau slowed lub zus tau tej cov cav nrog hemispherical designs vim hais tias nws yog tsim nyog rau ob loj li qub tshaj li plaub me me li qub.
Tab sis xyoo dhau los, ntau lub tuam txhab tau siv cov qauv tsim ib nrab, txawm tias lawv tsis hu nws li ntawd vim lawv ntshai muab Chrysler ncaws pob dawb.
Hauv Chrysler cov ntaub ntawv, thawj lub cav siv Hemi layout yog ob lub cav tsim los rau kev siv tub rog nyob rau hauv tso tsheb hlau luam thiab fighter dav hlau.
Thaum kawg ntawm kev ua tsov ua rog thiab kev nrawm ntawm lub hnub nyoog dav hlau tua ob txoj haujlwm no, tab sis Chrysler cov engineers pom cov txiaj ntsig ntawm cov thev naus laus zis no thiab siv nws nyob rau hauv ntau lub cav tsheb, uas tau siv ntau xyoo tom qab Tsov Rog Ntiaj Teb Zaum II. Cia li pib muag.
Thawj tiam ntawm Hemi V8 tau tsim los ntawm 1951 txog 1958, sawv cev rau Chrysler thawj cov khoom siv hluav taws xob valve V8.Cov kab pib nrog 331 cubic inches (5.4 litres) ntawm "FirePower" thiab "FireDome" xyaw thiab nws thiaj li tsim mus rau 392 Hemi (6.4 litres). ).
Tab sis nws zoo dua tuaj.In 1964, tiam thib ob ntawm Hemi tau tshwm sim hauv North America.Lub 426 cubic inches (7.0 litres) Hemi yog Ameslikas tsim rau NASCAR sib tw. Nws tau raug hu ua lub cav ntxhw los ntawm qee qhov vim nws lub cev loj, tab sis txij li ntawd nws tau los ua tus thawj coj hauv ntiaj teb kev sib tw.
Nws thiaj li txwv tsis pub los ntawm NASCAR rau kev nrawm dhau, 426 Hemi pom nws qhov chaw los ua kom muaj zog qee lub tsheb ntawm Chrysler lub cim tseem ceeb tshaj plaws, suav nrog Plymouth Barracuda (tseem hu ua Hemi Cuda nruab nrog lub cav no) Txoj Kev Khiav thiab GT-X nrog rau Dodge. , Challenger thiab Super Bee suav nrog Charger.
Qee cov tuners tau tswj kom nthuav dav 426 txog 572 Hemi, thiab cov no tam sim no muaj nyob rau hauv lub tshuab crate rau tom khw.
Hauv qhov no, tib neeg tseem yuav xav txog Chrysler's 440 cubic inch V8, tab sis 440 tsis yog Hemi tsim, tab sis los ntawm Chrysler's "Magnum" lossis "Wedge" V8 series.(Koj tuaj yeem yuav 440 Hemi tam sim no, tab sis nws yog piv txwv ntawm kev muag khoom tom qab Hemi crate cav raws li peb tiam V8 Hemi.)
Hais txog qhov no, Chrysler tus thib peb V8 series los siv Hemi daim ntawv lo tau tshwm sim hauv 2003 hauv daim ntawv ntawm 5.7 litres, thiab tom qab ntawd tsim mus rau 6.1 lossis txawm tias 6.4 Hemi hloov chaw.
Ntau tus neeg tsav tsheb Australian yuav paub ntau dua nrog cov cav no vim tias lawv lub zog V8 version ntawm Chrysler 300C qauv tsim tawm ntawm no xyoo 2005.
Hauv nws daim ntawv kawg, tom qab Hemi V8 tuaj yeem siv 6.2-liter supercharged daim ntawv, uas ua rau ntau tshaj 700 horsepower (522 kilowatts) ntawm lub hwj chim, thiab muab Dodge chargers thiab Challenger Hellcat qauv hauv Teb Chaws Asmeskas kev ua lag luam.
Nws tseem raug muag hauv Australia's Hemi Jeep Grand Cherokee thiab supercharged Hellcat-powered Grand Cherokee Trackhawk.
Lub cav Jeep Hemi raug tshem tawm ncaj qha los ntawm Chrysler qhov chaw catalog vim tias ob lub tuam txhab koom ua ke.
Tsis ntev los no, Australia kuj tau pom qhov nce ntawm RAM cov khoom siv hauv North America, tshwj xeeb tshaj yog RAM 1500 Hemi lub cav hauv qab nws lub hood dav.
Tab sis muaj lwm version ntawm Chrysler Hemi, uas Australian cov tswv tsheb ntawm ib lub hnub nyoog yuav paub txog.
Thaum ntxov li xyoo 1960, American Dodge Company tab tom nrhiav lub cav tshiab los hloov lub qub oblique rau-lub tog raj kheej lub cav tsheb uas muab kev pabcuam zoo rau nws.Ib qho nyiaj siv ua haujlwm valve tsim sketch, tab sis thaum kawg, Dodge poob kev txaus siab thiab tso tseg. qhov project.
Qhov no yog qhov uas Chrysler Australia (raws li ib feem ntawm Chrysler ntiaj teb no tsev neeg) tau nqis los thiab tuav txoj haujlwm, ua kom tiav qhov kev tsim ntawm 215 Hemi, Hemi 245 thiab 265 Hemi inline rau lub tog raj kheej cav tsim, uas tau muab lub zog thiab lub zog rau. ob peb tiam ntawm Valiant tsheb. Nws yog nyob rau hauv 1970s thiab mus rau 80s.
Qhov loj ntawm Aussie Hemi cav muaj li ntawm 3.5 litres (215 cubic inches) mus rau 4.0 litres (245) thiab 4.3 litres (265).Thaum ntsia lub teeb tsheb thauj khoom thiab utes bearing lub Dodge logo, lawv kuj hu ua Dodge Hemi.
Txawm hais tias tsis yog V8, cov cav no muaj tag nrho cov kev ua tau zoo thiab ntau lub zog ntawm qhov hloov me me V8.Qhov kawg version ntawm 265 cubic inch (4.3 liter) version tau nruab nrog peb Weber carburetor thiab yeej qhov thib peb hauv Bathurst (xyoo. Peter Brock thawj zaug yeej ntawm Panorama Roob) xyoo 1972.
Nws yog hu ua "rau-pob" hauv daim ntawv no, thiab yog ib qho zoo tshaj plaws (thiab feem ntau sau tau) cov leeg nqaij hauv keeb kwm ntawm lub tebchaws no.
Paub txog nws qhov tawv thiab ua haujlwm ntev, qhov teeb meem kev ntseeg siab loj tshaj plaws ntawm Hemi 6 hauv Australia yog qhov tsis zoo ntawm lub camshaft, uas nyiam "taug kev" raws qhov ntev ntawm lub cav.Thaum qhov no tshwm sim, lub sijhawm sib tsoo tuaj yeem raug pov tawm.
Nws tseem tsim nyog hais tias Aussie Hemi 6 tsis yog Hemi tiag tiag.Lub taub hau lub tog raj kheej tsis siv cov txheej txheem ntws hla, thiab lub combustion chamber tsis muaj "tseeb" hemispherical zoo li.
Lub Hemi daim ntawv lo yog ntau tshaj li kev lag luam tshaj li engineering, tab sis tsis muaj qhov tsis ntseeg tias txawm tias tam sim no, cov ntaub ntawv pov thawj kev ua haujlwm ntawm lub cav yog tib yam.
Yuav Hemi tam sim no kom rov tsav tsheb lossis ua tiav ib qhov project yuav nyob ntawm seb lub cav koj nyob tom qab.
Thawj tiam neeg Asmeskas Hemi V8 tau dhau los ua tsawg dua, thiab koj tuaj yeem yooj yim them nyiaj ntau txhiab daus las rau cov cav uas yuav tsum tau ua kom tiav.
Ib yam yog qhov tseeb rau lub legendary thib ob tiam Hemi 426.Nws yuav nyuaj rau nrhiav ib qho, thiab tom qab ntawd koj xav tau nyiaj ntau heev los coj nws tawm ntawm nws tus tswv.
Lub thib peb tiam Hemi yog yooj yim mus nrhiav, txawm nws yog ib tug wreckage teb tsim raws li ib tug siv cov cuab yeej los yog ib tug crate cav nyob rau hauv lub brand tshiab tej yam kev mob.
Lub chaw khiav hauj lwm pib lub cav crate ntawm tus nqi ntawm ib ncig ntawm 7,000 las. Tus nqi pib los ntawm ob peb txhiab daus las mus rau Hellcat crate engine 20,000 las.
Rau Hemi 6 hauv Australia, cov neeg ua haujlwm thib ob raug nqi ob peb puas duas las, tab sis nyob ntawm qhov koj yuav thiab qhov kawg ntawm lub cav, tus nqi ntawm lub tshuab kho dua tshiab yuav siab li ntau txhiab daus las.
Txawm li cas los xij, koj yuav tau yuav ib lub tshuab siv los yog kho dua tshiab, yog li thov xyuas Hemi cav muag kev tshaj tawm ua ntej.


Post lub sij hawm: Dec-23-2021

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