Sabuwar BMW 750d xDrive shine samfurin alamar Bavaria tare da injin dizal mafi ƙarfi.
A cikin ƙananan ɓangarorin, injunan Diesel sun kasance suna rasa magana. Zarge shi a kan ƙa'idodin muhalli masu tsauri, waɗanda suka sa injinan diesel ya fi tsada don samarwa. Kuma ba shakka, cancantar sababbin injunan fetur.A cikin sashin alatu wannan matsala ba ta wanzu, kawai saboda farashin samarwa ba batun bane. Abokan ciniki suna shirye su biya duk abin da ake buƙata don samun abin da suke so.
BA A RASA BA: Duk labarai (daga A zuwa Z) a 2017 Geneva Motor Show
Ko da babban dizal ne! Kamar yadda ya faru da sabon BMW 750d xDrive, wani salon alatu mai nauyin fiye da tan biyu sanye da injin dizal mai nauyin lita 3.0 tare da turbos guda hudu a jere. Sakamakon aiki shine:
Kamar yadda kake gani, sabon 750d motar jirgin dizal na gaskiya ne, mai iya yin hanzari daga 0-100 km/h a cikin daƙiƙa 4.6 kawai kuma daga 0-200 km/h a cikin daƙiƙa 16.8 kacal. Amfanin da aka yi talla (zagayowar NEDC) shine 5.7 l / 100km - ƙarshe tare da ƙusa ya juye a saman na'ura mai sauri yana yiwuwa a kai ga wannan amfani.
In ba haka ba, lambobin wannan injin suna da yawa: a 1,000 rpm (rago) wannan injin yana ba da 450 Nm na karfin juyi (!) , amma yana tsakanin 2000 da 3000 rpm cewa wannan darajar ta kai iyakarta, 760 Nm na karfin juyi. A 4400 rpm mun isa iyakar iko: kyakkyawan 440 hp.
A cikin wannan musamman, akwai kawai alama guda ɗaya da ta fi kyau, Audi. Amma yana buƙatar ƙarin cylinders kuma ƙarin ƙaura, muna magana game da sabon V8 TDI na Audi SQ7.
Sanya wannan darajar cikin hangen nesa mun ma fi burge mu. BMW 750i xDrive mai ƙarfin man fetur tare da 449 hp yana ɗaukar daƙiƙa 0.2 kaɗan daga 0-100 km/h fiye da 750d xDrive.
A halin yanzu, wannan inji yana samuwa ne kawai a cikin BMW 7 Series, amma mafi kusantar nan da nan zai bayyana a cikin wasu model kamar BMW X5 da X6. Ku zo su!
Ta yaya BMW ta sami waɗannan dabi'u?
BMW ita ce tambarin farko da ya haɗa turbo guda uku a jere, kuma yanzu ya sake zama majagaba wajen haɗa turbo huɗu a jere a injin dizal.Kamar yadda ka sani, turbos na bukatar shaye-shaye kwarara zuwa aiki - bari mu manta game da ban da wannan doka, wato Audi Electric turbos ko Volvo matsa-iska turbos, domin ba haka al'amarin.
A low revs wannan 3.0 lita shida injin silinda yana gudanar da turbos mara ƙarfi guda biyu kawai a lokaci guda. Kamar yadda akwai ƙananan iskar gas, yana da sauƙi don saka ƙananan turbos don aiki, don haka guje wa abin da ake kira «turbo-lag». Tabbas a mafi girma revs, waɗannan turbos ba su dace ba…
Shi ya sa yayin da saurin injin ya karu, yayin da ake samun karuwar kwarara da matsewar iskar iskar gas, sarrafa injin lantarki ya ba da oda ga na'ura mai sarrafa iskar gas don watsa dukkan iskar gas zuwa turbo mai canzawa na geometry na 3. babban matsin lamba.
Daga 2,500 rpm, babban turbo na 4 ya fara aiki, wanda ke ba da gudummawa sosai ga amsawar injin a matsakaici da matsakaicin sauri.
Don haka, sirrin ƙarfin wannan injin yana cikin wannan wasan turbo da sharar gas ɗin aiki tare. Abin mamaki ko ba haka ba?
Idan batun "superdiesel" ya tayar da sha'awar ku, za mu iya komawa kan wannan batu ba da daɗewa ba. Barmu da ra'ayinku akan Facebook ɗinmu kuma ku raba abubuwan da ke cikinmu.