Semi-motor: Mene ne Semi-motor?Jagorar motar ku ta hemisphere

Akwai shahararren tallan talla a Arewacin Amurka: "Ee, yana da Hemi" . Kuma waɗannan kalmomi guda biyar sun isa su sa masu sha'awar motar wasan kwaikwayon su bayyana a kallo. A gaskiya ma, wannan ba tambaya ba ce mai sauƙi don amsawa, domin a gaskiya jerin injiniyoyi huɗu na dangin Chrysler duk suna ɗauke da alamar kasuwanci na Hemi. Ɗayan su shine dangin wutar lantarki na musamman ga Australia. A lokaci guda, menene rabin injin (ƙananan "h")? Duk yana tafasa zuwa siffar ɗakin konewa; sararin da ke cikin injin inda iska da man fetur a zahiri ke ƙonewa don haifar da juzu'i, wanda shine ƙarfin da ke juya crankshaft da kuma ƙafafun motar. Menene ma'anar Hemi? Ainihin, siffar wannan ɗakin konewa yana kama da wasan kwallon tennis na rabi, ko kuma mai tsanani, don haka yana da hemispherical. Wannan yana sanya tartsatsin tartsatsi a tsakiyar ɗakin konewa don cimma kyakkyawan yaduwar harshen wuta kuma yana ba da damar amfani da manyan bawul ɗin sha da shaye-shaye (manyan bawuloli suna nufin ƙarin iska da mai a ciki da waje). Zane-zanen giciye inda iska da man fetur ke shiga daga gefe ɗaya na ɗakin konewa da fita daga ɗayan kuma yana taimakawa inganta haɓaka gabaɗaya. Chrysler ba shine kawai mai kera mota don amfani da ɗakin konewa na hemispherical ba, amma godiya ga sihirin tallan, ya zama alama mafi kusanci da shimfidar wuri. Tun farkon 1907, Fiat ta fahimci yuwuwar ƙirar ƙira kuma ta kawo shi zuwa waƙa tare da motar Grand Prix. Wani abin sha'awa shi ne, zuwan shugabannin silinda mai nau'in bawul da yawa ya rage samar da injuna masu zane-zane na hemispherical saboda ya fi dacewa da manyan bawuloli biyu fiye da ƙananan bawuloli guda huɗu. Amma a cikin shekaru, masana'antun da yawa sun yi amfani da zane-zane, ko da ba su kira shi ba saboda suna tsoron ba da kyautar Chrysler. A yanayin Chrysler, injiniyoyi na farko da suka yi amfani da shimfidar Hemi wasu injinan biyu ne da aka kera don amfani da sojoji a cikin tankunan yaki da jiragen yaki. Ƙarshen yaƙin da haɓaka shekarun jiragen sama ya kashe waɗannan ayyuka guda biyu, amma injiniyoyin Chrysler sun ga fa'idar wannan fasaha kuma suka yi amfani da ita a cikin jerin injunan motoci, waɗanda aka yi amfani da su a cikin shekaru bayan yakin duniya na biyu. Kawai fara siyarwa. An kera ƙarni na farko na Hemi V8 daga 1951 zuwa 1958, wanda ke wakiltar farkon samarwa na Chrysler sama da bawul V8. An fara jeri tare da inci 331 cubic (lita 5.4) na injunan "FirePower" da "FireDome" kuma daga ƙarshe ya haɓaka zuwa 392 Hemi (lita 6.4). ). Amma yana da kyau a zo.A cikin 1964, ƙarni na biyu na Hemi ya bayyana a Arewacin Amurka. Hemi mai girman inci 426 (lita 7.0) an ƙirƙira shi ne don tseren NASCAR. Wasu suna kiransa injin giwa saboda girman girmansa, amma tun daga lokacin ya mamaye duniyar tseren ja. Daga karshe NASCAR ta haramtawa 426 Hemi damar yin amfani da wasu manyan motocin tsoka na Chrysler, ciki har da Plymouth Barracuda (wanda aka fi sani da Hemi Cuda sanye da wannan injin) Runner Road da GT-X da kuma Dodge. , Challenger da Super Bee gami da Caja. Wasu masu kunnawa sun sami damar faɗaɗa Hemi 426 zuwa 572, kuma waɗannan ana samun su a matsayin injunan katako na kasuwa. A wannan yanayin, mutane kuma za su yi tunanin Chrysler's 440 cubic inch V8, amma 440 ba ainihin ƙirar Hemi ba ne, amma daga jerin Chrysler's "Magnum" ko "Wedge" V8. Misali na injin daskarewa na Hemi wanda ya dogara da ƙarni na uku V8 Hemi.) Da yake magana game da wannan, jerin V8 na uku na Chrysler don amfani da alamar Hemi ya bayyana a cikin 2003 a cikin nau'in lita 5.7, sannan ya haɓaka zuwa 6.1 ko ma 6.4 Hemi. ƙaura. Yawancin direbobin Australiya za su fi sanin waɗannan injina saboda suna sarrafa nau'in V8 na samfurin Chrysler 300C da aka ƙaddamar a nan a cikin 2005. A cikin sigar ƙarshe, Hemi V8 na baya zai iya amfani da fom mai girman lita 6.2, wanda ke samar da ƙarfin dawakai fiye da 700. (522 kilowatts) na wutar lantarki, kuma yana ba da caja Dodge da samfurin Challenger Hellcat a cikin kasuwar Amurka. Hakanan ana siyar dashi a cikin Hemi Jeep Grand Cherokee na Ostiraliya da babban cajin Hellcat Grand Cherokee Trackhawk. An cire injin Jeep Hemi kai tsaye daga kasidar sassan Chrysler saboda kamfanonin biyu mallakar haɗin gwiwa ne. Kwanan nan, Ostiraliya kuma ta shaida haɓakar abubuwan amfani da RAM a Arewacin Amurka, musamman injin RAM 1500 Hemi a ƙarƙashin kaho. Amma akwai wani nau'in Chrysler Hemi, wanda masu motocin Australiya na wasu shekaru zasu saba da shi. A farkon shekarun 1960s, Kamfanin Dodge na Amurka yana neman sabon injin da zai maye gurbin tsohon injin motar silinda guda shida wanda ke ba da sabis mai kyau don shi. aikin. Wannan shine inda Chrysler Ostiraliya (a matsayin wani ɓangare na dangin Chrysler na duniya) ya shiga tare da ɗaukar aikin, yana kammala ƙirƙirar ƙirar 215 Hemi, Hemi 245 da 265 Hemi inline mai ƙirar silinda shida, wanda ya ba da ƙarfi da ƙarfi ƙarnõni da yawa na Valiant motoci. a cikin 1970s da kuma cikin 80s. Girman injin Aussie Hemi ya tashi daga lita 3.5 (inci 215 cubic) zuwa lita 4.0 (245) da lita 4.3 (265).Idan aka sanya su a kan manyan motoci masu haske da ute masu ɗauke da tambarin Dodge, ana kuma kiran su Dodge Hemi. Ko da yake ba V8 ba, waɗannan injunan suna da duk aikin da kuma yawan karfin juzu'i na ƙananan ƙaura V8. Ƙarshen nau'in nau'in 265 cubic inch (4.3 lita) an sanye shi da nau'i na Weber carburetors uku kuma ya lashe matsayi na uku a Bathurst (shekarar). Peter Brock ya fara cin nasara a Dutsen Panorama) a cikin 1972. Ana kiranta "fakiti shida" a cikin wannan nau'i, kuma yana daya daga cikin mafi kyawun (kuma mafi yawan tarawa) motocin tsoka a tarihin kasar. An san shi da ƙarfinsa da tsayin daka, babbar matsala ta dogara da Hemi 6 a Ostiraliya ita ce matsayi mara kyau na camshaft, wanda ke kula da "tafiya" tare da tsawon injin. Lokacin da wannan ya faru, za a iya fitar da lokacin kunnawa. Har ila yau, ya kamata a ambaci cewa Aussie Hemi 6 ba ainihin Hemi ba ne kwata-kwata. Shugaban Silinda ba ya amfani da shimfidar giciye, kuma ɗakin konewa ba shi da siffar "gaskiya" hemispherical. Alamar Hemi ta fi aikin kasuwanci fiye da aikin injiniya, amma ko shakka babu ko a yanzu, ingancin aikin injin iri ɗaya ne. Siyan Hemi yanzu don sake tuka mota ko kammala aikin zai dogara ne akan injin da kuke nema. Hemi V8 na ƙarni na farko na Amurka yana ƙara ƙaranci, kuma zaka iya biyan dubban daloli cikin sauƙi don injinan da ke buƙatar cikakken gyara. Hakanan gaskiya ne ga almara na ƙarni na biyu Hemi 426. Zai yi wuya a sami ɗayan, sannan kuna buƙatar dala da yawa don karɓe shi daga mai shi. Hemi na ƙarni na uku ya fi sauƙi a samu, ko filin tarkace ne da aka yi a matsayin kayan aikin da aka yi amfani da shi ko injin ramuka a ƙarƙashin sabbin yanayi. Na'urar da ke aiki tana fara injin kwano akan farashi kusan dala 7,000. Farashin yana farawa daga ƴan daloli kaɗan zuwa dala 20,000 na injin Hellcat. Ga Hemi 6 a Ostiraliya, masu tseren hannu na biyu sun kai dala ɗari kaɗan, amma ya danganta da inda kuka saya da ƙayyadaddun injin na ƙarshe, farashin injin da aka gyara zai kai dubunnan daloli. Ko ta yaya, za ku sayi na'ura da aka yi amfani da ita ko gyara, don haka da fatan za a fara fara tantance tallace-tallacen tallace-tallacen injin Hemi.