Zafi V , ko V Hot — yana da kyau a cikin Ingilishi, ba shakka - sunan ne wanda ya sami ganuwa bayan ƙaddamar da Mercedes-AMG GT, sanye take da M178, 4000cc twin-turbo V8 mai ƙarfi duka daga Affalterbach.
Amma me yasa Hot V? Ba shi da alaƙa da sifofin halayen injin, ta hanyar amfani da furci na Ingilishi. A gaskiya ma, yana magana ne game da wani bangare na gina injuna tare da V-Silinda - ko man fetur ko dizal - inda, ba kamar yadda aka saba a cikin sauran Vs ba, tashar jiragen ruwa (a cikin injin injiniya) suna nuna ciki. da V maimakon waje, wanda ke ba da damar sanya turbochargers tsakanin bankunan silinda guda biyu kuma ba a waje da su ba.
Me yasa amfani da wannan maganin? Akwai dalilai guda uku masu kyau kuma bari mu je musu dalla-dalla.
Zafi
Za ku ga inda sunan Hot ya fito. Turbochargers ana amfani da su ta iskar iskar gas, dangane da su don jujjuyawa da kyau. Gas mai fitar da hayaki yana so ya yi zafi sosai - ƙarin zafin jiki, ƙarin matsa lamba, saboda haka, ƙarin sauri -; wannan ita ce hanya daya tilo don tabbatar da cewa injin turbin ya kai ga saurin jujjuyawar sa da sauri.
Idan iskar gas ya yi sanyi, yana rasa matsi, ingancin turbo kuma yana raguwa, ko dai yana ƙara lokacin har sai turbo ya juya da kyau, ko kuma kasa kaiwa ga mafi kyawun jujjuyawa. A wasu kalmomi, muna so mu sanya turbos a wurare masu zafi kuma kusa da tashar jiragen ruwa.
Kuma tare da shaye tashoshin jiragen ruwa nuni zuwa ciki na V, da kuma turbos sanya a tsakanin biyu Silinda bankunan, su ne ko da a cikin "zafi tabo", wato, a cikin engine yankin cewa emanates mafi zafi da kuma kusa da kofofin shaye bututu - wanda ke haifar da ƙarancin bututu don ɗaukar iskar gas, sabili da haka ƙarancin zafi lokacin tafiya ta cikin su.
Har ila yau, masu canzawa suna sanyawa a cikin V, maimakon matsayinsu na yau da kullum a karkashin motar, saboda waɗannan suna aiki mafi kyau lokacin da suke da zafi sosai.
Marufi
Kamar yadda zaku iya tunanin, tare da duk wannan sarari da aka mamaye da kyau, yana sa injin tagwaye-turbo V ya fi karami fiye da wanda aka sanya turbos a wajen V . Kamar yadda ya fi dacewa, yana da sauƙi don sanya shi a cikin adadi mai yawa na samfuri. Ɗaukar M178 na Mercedes-AMG GT, za mu iya samun bambance-bambancen da shi - M176 da M177 - a da dama model, ko da a cikin mafi karami C-Class.
Wani fa'ida kuma ita ce sarrafa injin kanta a cikin ɗakin da aka nufa da shi. Talakawa sun fi karkata, suna mai da jujjuyawar su ta fi tsinkaya.
Farkon Hot V
Mercedes-AMG ya sanya sunan Hot V ya shahara, amma ba su ne farkon da suka fara amfani da wannan maganin ba. Abokin hamayyarta BMW ya yi muhawara shekaru da yawa a baya - shi ne farkon wanda ya fara amfani da wannan mafita ga motar kera. Injin N63, Twin-Twin-Turbo V8, ya bayyana a shekarar 2008 a cikin BMW X6 xDrive50i, kuma zai zo ya ba da kayan aikin BMW da yawa da suka haɗa da X5M, X6M ko M5, inda N63 ya zama S63, bayan ya wuce ta hannun M. Amma wannan An fara ganin shimfidar turbos a cikin V a cikin gasa, sannan a cikin aji na farko, Formula 1, a cikin 1981. Ferrari 126C shine farkon wanda ya ɗauki wannan mafita. Motar tana sanye take da V6 a 120º tare da turbos guda biyu da l 1.5 kawai, mai iya isar da fiye da 570 hp.
Turbocharger iko
Kusanci na turbochargers zuwa tashar jiragen ruwa, kuma yana ba da damar sarrafa mafi daidaitattun waɗannan. Injin V-injin suna da nasu tsarin kunnawa, wanda ke sa sarrafa turbocharger ya fi wahala, kamar yadda rotor ya yi hasara kuma yana samun saurin sauri ba bisa ka'ida ba.
A cikin injin V-injin tagwaye-turbo na al'ada, don haɓaka wannan sifa, yin saurin saurin saurin tsinkaya, yana buƙatar ƙari na ƙarin bututu. A cikin Hot V, a gefe guda, ma'auni tsakanin injin da turbos ya fi kyau, saboda kusancin dukkan abubuwan da ke tattare da shi, yana haifar da mafi madaidaicin amsawar maƙura, wanda ke nunawa a cikin kulawar motar.
Hot Vs, saboda haka, matakin yanke shawara ne zuwa turbos "marasa ganuwa", ma’ana za mu kai ga bambamcin amsa mai ban tsoro da kuma sahihanci tsakanin injin da ake so ta dabi’a da na turbocharged ba za a iya gane shi ba. Nisa daga zamanin injuna kamar Porsche 930 Turbo ko Ferrari F40, inda babu wani abu, babu, babu komai… TUUUUUUDO! - ba wai sun fi so ba saboda haka ...