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Semi-motor: Kodi semi-motor ndi chiyani?

Pali mawu otchuka otsatsa malonda ku North America: "Inde, ili ndi Hemi" .Ndipo mawu asanu awa ndi okwanira kuti mafani a galimoto yamasewera awoneke bwino pang'onopang'ono.
Ndipotu, ili si funso losavuta kuyankha, chifukwa kwenikweni injini zinayi za banja la Chrysler zonse zimanyamula chizindikiro cha malonda a Hemi.Mmodzi wa iwo ndi banja la zomera zopangira mphamvu zapadera ku Australia.
Pa nthawi yomweyi, injini ya theka ndi chiyani? (zocheperako "h")? Zonse zimatengera mawonekedwe a chipinda choyaka moto; malo mu injini kumene mpweya ndi mafuta zimayaka kwenikweni kuti apange torque, yomwe ndi mphamvu yomwe imatembenuza crankshaft ndipo pamapeto pake mawilo agalimoto.
Kodi Hemi amatanthauza chiyani? Kwenikweni, mawonekedwe a chipinda choyaka motochi ali ngati mpira wa theka la tenisi, kapena pafupifupi hemispherical, kotero ndi hemispherical. kugwiritsa ntchito ma valve akuluakulu olowera ndi kutulutsa (mavavu akuluakulu amatanthauza mpweya wochulukirapo ndi mafuta mkati ndi kunja).
Mapangidwe apakati pomwe mpweya ndi mafuta zimalowa kuchokera mbali imodzi ya chipinda choyaka moto ndikutuluka mbali inayo zimathandizanso kukonza bwino.
Chrysler sikuti ndi yekhayo amene amapanga galimoto kuti agwiritse ntchito chipinda choyaka moto cha hemispherical, koma chifukwa cha matsenga a malonda, wakhala chizindikiro chogwirizana kwambiri ndi mapangidwe ake.
Kumayambiriro kwa 1907, Fiat adazindikira kuthekera kwa semi-design ndikubweretsa panjanji ndi galimoto yake ya Grand Prix.
Chochititsa chidwi n'chakuti kubwera kwa mitu ya silinda yamitundu yambiri kunachedwetsa kupanga ma injini okhala ndi mapangidwe a hemispherical chifukwa ndi oyenera ma valve awiri akuluakulu kusiyana ndi ma valve anayi ang'onoang'ono.
Koma kwa zaka zambiri, opanga ambiri agwiritsa ntchito semi-design, ngakhale sanatchule choncho chifukwa amawopa kupereka Chrysler free kick.
Pankhani ya Chrysler, injini zoyamba kugwiritsa ntchito mawonekedwe a Hemi zinali injini ziwiri zomwe zidapangidwa kuti zigwiritsidwe ntchito pankhondo mu akasinja ndi ndege zankhondo.
Kutha kwa nkhondo ndi kuthamangitsidwa kwa zaka za jet kunapha ntchito ziwirizi, koma akatswiri a Chrysler adawona ubwino wa lusoli ndipo adagwiritsa ntchito mndandanda wa injini zamagalimoto, zomwe zinagwiritsidwa ntchito zaka za nkhondo yachiwiri ya padziko lonse. Ingoyambani kugulitsa.
Mbadwo woyamba wa Hemi V8 unapangidwa kuchokera ku 1951 mpaka 1958, womwe umayimira Chrysler choyamba chopangira valavu V8. Mzerewu unayamba ndi mainchesi 331 kiyubiki (5.4 malita) a injini za "FirePower" ndi "FireDome" ndipo pamapeto pake zinapangidwa kukhala 392 Hemi (6.4 malita). ).
Koma kuli bwino kubwera.Mu 1964, m'badwo wachiwiri wa Hemi unawonekera ku North America.Hemi ya 426 cubic mainchesi (7.0 malita) idapangidwira mpikisano wa NASCAR. Ena ankaitcha injini ya njovu chifukwa cha kukula kwake kwakukulu, koma kuyambira nthawi imeneyo yakhala ikulamulira dziko lonse la mipikisano yothamanga.
Potsirizira pake analetsedwa ndi NASCAR chifukwa chothamanga kwambiri, 426 Hemi adapeza malo ake opangira magalimoto amtundu wa Chrysler, kuphatikizapo Plymouth Barracuda (yomwe imadziwikanso kuti Hemi Cuda yokhala ndi injini iyi) Road Runner ndi GT-X komanso Dodge. , Challenger ndi Super Bee kuphatikiza Charger.
Ma tuner ena adatha kukulitsa 426 mpaka 572 Hemi, ndipo izi tsopano zikupezeka ngati injini zamakireti pazotsatira.
Pankhaniyi, anthu adzaganizanso za Chrysler's 440 cubic inchi V8, koma 440 si kwenikweni Hemi mapangidwe, koma kuchokera Chrysler "Magnum" kapena "Wedge" V8 mndandanda. (Mungathe kugula 440 Hemi tsopano, koma ndi chitsanzo cha injini ya crate ya Hemi yotengera m'badwo wachitatu wa V8 Hemi.)
Ponena za izi, mndandanda wachitatu wa V8 wa Chrysler kuti agwiritse ntchito chizindikiro cha Hemi adawonekera mu 2003 mu mawonekedwe a malita 5.7, kenako adapangidwa kukhala 6.1 kapena 6.4 Hemi kusamutsidwa.
Madalaivala ambiri aku Australia azidziwa bwino mainjiniwa chifukwa amathandizira mtundu wa V8 wa Chrysler 300C womwe unakhazikitsidwa pano mu 2005.
M'mawonekedwe ake omaliza, Hemi V8 yapambuyo pake imatha kugwiritsa ntchito mawonekedwe opitilira 6.2-lita, omwe amapanga mphamvu zopitilira 700 (522 kilowatts) yamphamvu, ndipo amapereka ma charger a Dodge ndi mitundu ya Challenger Hellcat pamsika waku US.
Imagulitsidwanso ku Hemi Jeep Grand Cherokee yaku Australia komanso Grand Cherokee Trackhawk yamphamvu ya Hellcat.
Injini ya Jeep Hemi imachotsedwa mwachindunji pamndandanda wa magawo a Chrysler chifukwa makampani awiriwa ndi ogwirizana.
Posachedwa, Australia yawonanso kukwera kwazinthu za RAM ku North America, makamaka injini ya RAM 1500 Hemi pansi pa hood yake yayikulu.
Koma palinso mtundu wina wa Chrysler Hemi, womwe eni ake agalimoto aku Australia azaka zina adzazidziwa.
Kumayambiriro kwa zaka za m'ma 1960, American Dodge Company inali kufunafuna injini yatsopano kuti ilowe m'malo mwa injini yakale ya oblique six-cylinder yomwe inapereka ntchito yabwino kwa iyo. polojekiti.
Apa ndipamene Chrysler Australia (monga gawo la banja la padziko lonse la Chrysler) adalowererapo ndikugwira ntchitoyi, ndikumaliza kupanga mapangidwe apamwamba kwambiri a 215 Hemi, Hemi 245 ndi 265 Hemi inline six-cylinder engine, omwe amapereka mphamvu ndi mphamvu mibadwo ingapo ya magalimoto a Valiant. m'ma 1970 mpaka 80s.
Kukula kwa injini ya Aussie Hemi kumayambira 3.5 malita (215 mainchesi) mpaka 4.0 malita (245) ndi 4.3 malita (265)
Ngakhale si V8, injini izi ndi ntchito zonse ndi makokedwe zambiri za kusamutsidwa yaing'ono V8. Baibulo mtheradi wa 265 kiyubiki inchi (4.3 lita) Baibulo anali okonzeka ndi atatu Weber carburetors ndipo anapambana lachitatu mu Bathurst (chaka. Peter Brock adapambana koyamba pa Panorama Mountain) mu 1972.
Amatchedwa "six-pack" mu mawonekedwe awa, ndipo ndi imodzi mwa magalimoto abwino kwambiri (komanso ophatikizika) m'mbiri ya dziko lino.
Zomwe zimadziwika kuti zimakhala zolimba komanso zolimba, vuto lalikulu lodalirika la Hemi 6 ku Australia ndi malo osauka a camshaft, omwe amakonda "kuyenda" kutalika kwa injini. Izi zikachitika, nthawi yoyaka moto imatha kutayidwa.
Ndiyeneranso kutchula kuti Aussie Hemi 6 sali kwenikweni Hemi konse. Mutu wa silinda sugwiritsa ntchito mawonekedwe ozungulira, ndipo chipinda choyaka moto sichikhala ndi mawonekedwe a hemispherical "woona".
The Hemi label ndi zambiri za malonda kuposa uinjiniya, koma palibe kukayika kuti ngakhale panopa, zizindikiro ntchito injini ndi chimodzimodzi.
Kugula Hemi tsopano kuti muyendetsenso galimoto kapena kumaliza ntchito zimatengera injini yomwe mukufuna.
M'badwo woyamba wa American Hemi V8 ukuchulukirachulukira, ndipo mutha kulipira madola masauzande mosavuta pamainjini omwe amafunikira kukonzanso kwathunthu.
N'chimodzimodzinso ndi nthano yachiwiri ya Hemi 426. Zidzakhala zovuta kupeza imodzi, ndiyeno mukufunikira madola ambiri kuti muchotse kwa mwini wake.
Hemi ya m'badwo wachitatu ndiyosavuta kupeza, kaya ndi malo owonongeka omwe amapangidwa ngati zida zogwiritsidwa ntchito kapena injini ya crate pansi pamikhalidwe yatsopano.
Chigawo chogwiritsira ntchito chimayambira injini ya crate pamtengo wa pafupifupi madola 7,000. Mtengo umayamba kuchokera pa madola masauzande angapo kufika pa injini ya Hellcat crate ya madola 20,000.
Kwa Hemi 6 ku Australia, othamanga achiwiri amawononga madola mazana angapo, koma malingana ndi kumene mumagula ndi ndondomeko yomaliza ya injini, mtengo wa makina okonzedwanso udzakhala wokwera mpaka madola masauzande.
Mulimonse momwe zingakhalire, mudzakhala mukugula makina ogwiritsidwa ntchito kapena okonzedwanso, kotero chonde onani malonda amtundu wa Hemi injini poyamba.


Nthawi yotumiza: Dec-23-2021

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