An tabbatar da jita-jita: sabon Mercedes-Benz C-Class W206 zai ƙunshi injunan Silinda huɗu kawai, ba tare da la'akari da sigar ba. A wasu kalmomi, hatta bambance-bambancen da aka yi wa lakabin AMG ba za su ƙara komawa zuwa V6 da V8 da muka sani ba - eh, idan muka buɗe murfin C 63 na gaba za mu ga injin silinda huɗu kawai.
Don taimakawa fahimtar irin wannan tsattsauran shawarar, Christian Früh, babban injiniyan C-Class, ya ba da kwarin gwiwa a bayanta ga Labarai na Automotive.
Kuma a sarari tambaya shi ne dalilin da ya sa neman hudu-Silinda injuna ga saman versions, a lokacin da Mercedes kaddamar da 'yan shekaru da suka wuce, a cikin 2017, wani sabon inline shida Silinda (M 256) wanda zai iya sosai da kyau dauki wurin na baya. V6 da V8.
Abin sha'awa, yana da sauƙi don ba da hujjar watsi da kwarjini da tsawa V8 a cikin C 63 don "manyan" silinda huɗu, koda kuwa ba kowane silinda huɗu ba ne kawai. Shi ne, bayan duk, da M 139 - mafi iko hudu-Silinda a samar a duniya - guda daya cewa equips, misali, A 45 S. Duk da haka, ba daidai ba ne da ciwon takwas cylinders "girma" ” da barazana a gabanmu.
A cikin yanayin C 63, ita ce hanya mafi inganci don rage yawan hayaƙin CO2, ba kawai ta amfani da, ainihin rabin injin fiye da wanda yake da shi ba, amma sama da duka ta hanyar amfani da tsarin haɗaɗɗen toshe. A wasu kalmomi, C 63 na gaba ya kamata ya sami iko da lambobi masu girma (ko ma kadan mafi girma, bisa ga jita-jita) a matsayin samfurin na yanzu, amma tare da ƙananan amfani da watsi.
tsayi da yawa
A gefe guda, a cikin yanayin C 43 - ya rage don tabbatar da ko zai ci gaba da sunan ko zai canza zuwa 53, kamar yadda a cikin sauran Mercedes-AMG -, shawarar ta kasance saboda wani dalili. Na'am, rage fitar da hayaki kuma yana daya daga cikin dalilan yanke shawarar, amma babban dalilin shi ne saboda guda daya mai sauki: sabon layin silinda shida kawai bai dace ba a cikin sashin injin sabon C-Class W206.
Silinda na layi shida yana da tsayi fiye da, ba shakka, V6 har ma da V8 (wanda bai fi tsayin silinda huɗu na layi ba). A cewar Christian Früh, don in-line guda shida cylinders su dace, gaban sabon C-Class W206 zai zama tsawon mm 50.
Sanin cewa sabon toshe ya fi tsayi, me yasa ba a yi la'akari da shi ba yayin haɓaka sabon C-Class? Kawai saboda babu buƙatar yin amfani da injunan silinda sama da huɗu don samun duk aikin da suke so.
Biyan kuɗi zuwa wasiƙarmu
Bambance-bambancen aiki tsakanin tubalan silinda hudu da silinda shida za a daidaita su ta hanyar ƙarin nau'ikan nau'ikan nau'ikan nau'ikan toshe. Menene ƙari, a cewar Früh, waɗannan ƙarin milimita 50 na iya nufin wani nauyi mai girma a kan gatari na gaba, saboda zai yi tasiri ga motsin abin hawa.
C 43 na yanzu yana amfani da 3.0 twin-turbo V6 tare da 390 hp kuma ana tsammanin sabon C 43 zai sami iko daidai, kodayake an sanye shi da ƙaramin silinda huɗu tare da 2.0 l kawai.
Abin ban sha'awa, ba zai koma zuwa M 139 ba, wanda muka san zai iya cimma waɗannan dabi'u - A 45 a cikin sigar sa ta yau da kullun tana ba da 387 hp. Madadin haka, C 43 na gaba zai yi amfani da sabon M 254, wanda E-Class da aka sake fasalin ya gabatar, wanda ke cikin dangi iri ɗaya kamar M 256 mai silinda shida ko ma OM 654 Diesel mai silinda huɗu.
A na kowa, suna amfani da tsarin 48 V mai sauƙi, wanda ya haɗa da ƙaramin motar lantarki na 20 hp da 180 Nm. A cikin E-Class, a cikin E 300, yana ba da 272 hp, amma a cikin C 43 ya kamata. ya kai 390 hp na na yanzu. Kamar? Gidan Affalterbach (AMG) yana da wasu sabbin abubuwa da aka tanada don wannan injin, kamar ƙari na injin turbocharger.
Duk da haka, ba zai ba mu mamaki ba cewa a cikin takardar bayanan fasaha na gaba C 43 yana ba da ƙimar amfani da ƙima fiye da ... C 63 (!) saboda matakan lantarki daban-daban da aka yi amfani da su.