AMG, haruffa uku har abada suna alaƙa da tsokar V8s, kuma yana son zama “sarauniya” na silinda huɗu. Sabon M 139 , wanda zai ba da kayan aiki na gaba A 45, zai zama mafi ƙarfi-Silinda hudu a duniya, ya kai 421 hp mai ban mamaki a cikin S version.
Yana da ban sha'awa, musamman idan muka ga cewa ƙarfin wannan sabon toshe har yanzu yana da 2.0 l kawai, wato, yana nufin (kadan) fiye da 210 hp/l! Jamus "yaƙe-yaƙe" na Jamus, ko yaƙe-yaƙe na iko, za mu iya kiran su marasa amfani, amma sakamakon ba ya daina sha'awar.
M 139, hakika sabon abu ne
Mercedes-AMG ta ce M 139 ba juyin halitta ba ne mai sauƙi na M 133 da ya gabata wanda ya samar da kewayon "45" ya zuwa yanzu - a cewar AMG, 'yan goro da kusoshi ne kawai ke ɗauka daga sashin da ya gabata.
Dole ne a sake sabunta injin ɗin gaba ɗaya, don amsa ƙalubalen da ke tattare da ƙa'idodin fitarwa, buƙatun buƙatun motocin inda za a shigar da shi har ma da sha'awar bayar da ƙarin ƙarfi da ƙarancin nauyi.
Daga cikin abubuwan da suka fi dacewa da sabon injin, watakila wanda ya fi dacewa shine gaskiyar cewa AMG yana da ya juya motar 180º game da axis na tsaye , wanda ke nufin cewa duka turbocharger da manifolds na shaye-shaye suna sanya su a baya, kusa da babban kan babban batu wanda ke raba sashin injin daga ɗakin. Babu shakka, tsarin ci yanzu yana matsayi a gaba.
Wannan sabon tsari ya kawo fa'idodi da yawa, daga ra'ayi na sararin samaniya, yana ba da damar haɓaka ƙirar sashin gaba; daga mahangar zirga-zirgar iska, yana ba da damar ba kawai ɗaukar iska mai yawa ba, saboda wannan yanzu yana tafiya mai ɗan gajeren nisa, kuma hanyar ta fi kai tsaye, tare da ƙarancin karkata, duka a gefen sha da kuma gefen shaye-shaye.
AMG ba ya son M 139 ya kwaikwayi irin martanin dizal na yau da kullun, sai dai na injin da ake so.
Turbo ya isa
Hakanan abin lura shine kawai turbocharger yanzu, duk da takamaiman takamaiman iko. Wannan nau'in rubutun tagwaye ne kuma yana aiki a mashaya 1.9 ko mashaya 2.1, dangane da sigar, 387 hp (A 45) da 421 hp (A 45 S), bi da bi.
Biyan kuɗi zuwa wasiƙarmu
Kamar turbos da aka yi amfani da su a cikin V8 daga gidan Affalterbach, sabon turbo yana amfani da bearings a cikin compressor da turbine shafts, yana rage rikici na inji da kuma tabbatar da cewa ya cimma nasara. matsakaicin gudun 169 000 rpm da sauri.
Don haɓaka amsawar turbo a cikin ƙananan ƙasa, akwai keɓancewa daban-daban da layi ɗaya don kwararar iskar iskar gas a cikin gidajen turbocharger, da manifolds ɗin shaye-shaye suna nuna rabe-raben ducts, suna ba da izini daban, takamaiman kwararar iskar gas don turbine.
Har ila yau, M 139 ya fito fili don kasancewar sabon akwati na aluminum, ƙirƙira ƙarfe crankshaft, ƙirƙira pistons na aluminum, duk don ɗaukar sabon layin jan layi a 7200 rpm, tare da iyakar ƙarfin da ake samu a 6750 rpm - wani 750 rpm fiye da na M. 133.
Amsa na musamman
An mayar da hankali sosai kan jin daɗin injin ɗin, musamman wajen ayyana maƙarƙashiya. Matsakaicin karfin karfin sabon injin yanzu 500 nm (480 Nm a cikin sigar tushe), akwai tsakanin 5000 rpm da 5200 rpm (4750-5000 rpm a cikin sigar tushe), babban tsarin mulki ga abin da galibi ana gani a cikin injin turbo - M 133 ya ba da matsakaicin 475 Nm sannan a 2250 rpm, kiyaye wannan darajar har zuwa 5000 rpm.
Wannan aiki ne da gangan. AMG ba ya son M 139 ya kwaikwayi irin martanin dizal na yau da kullun, sai dai na injin da ake so. A wasu kalmomi, halin injin, kamar yadda yake a cikin NA mai kyau, zai gayyatar ku don ziyarci manyan gwamnatoci sau da yawa, tare da yanayi mai juyayi, maimakon yin garkuwa da gwamnatocin matsakaici.
A kowane hali, AMG yana ba da garantin injin tare da amsa mai ƙarfi ga kowane tsarin mulki, har ma da mafi ƙanƙanta.
Dawakai kullum sabo ne
Tare da irin wannan high dabi'u na iko - shi ne mafi iko hudu Silinda a duniya - da sanyaya tsarin da muhimmanci ba kawai ga engine kanta, amma kuma don tabbatar da cewa matsa iska zazzabi zauna a ganiya matakan.
Daga cikin arsenal mun sami sake fasalin ruwa da da'irori na mai, tsarin sanyaya daban don kai da injin injin, famfo na ruwa na lantarki da kuma ƙarin radiator a cikin mashin ƙafar ƙafa, wanda ke cika babban radiator a gaba.
Har ila yau, don kiyaye watsawa a yanayin zafin aiki mai kyau, man da yake buƙata yana sanyaya ta wurin sanyaya injin injin, kuma ana saka na'urar musayar zafi kai tsaye akan watsawa. Ba a manta da na'urar sarrafa injin ba, an ɗora shi a cikin gidan tace iska, ana sanyaya shi ta hanyar iska.
Bayani dalla-dalla
| Mercedes-AMG | M 139 |
| Gine-gine | 4 cylinders a layi |
| Iyawa | 1991 cm3 |
| Diamita x bugun jini | 83mm x 92.0mm |
| iko | 310 kW (421 hp) a 6750 rpm (S) 285 kW (387 hp) a 6500 rpm (tushe) |
| Binary | 500 nm tsakanin 5000 rpm da 5250 rpm (S) 480 nm tsakanin 4750 rpm da 5000 rpm (tushe) |
| Matsakaicin saurin injin | 7200 rpm |
| rabon matsawa | 9:0:1 |
| turbocharger | Gungurawa tagwaye tare da bearings ball don compressor da turbine |
| Matsakaicin Matsakaicin Turbocharger | 2.1 bar (S) 1.9 bar (bas) |
| Shugaban | Biyu daidaitacce camshafts, 16 bawuloli, CAMTRONIC (sauƙi daidaitawa ga shaye bawuloli) |
| Nauyi | 160.5 kg tare da ruwa |
Za mu ga M 139, mafi iko a duniya hudu-Silinda engine (samar), isa farko a kan Mercedes-AMG A 45 da A 45 S - duk abin da ya nuna shi a farkon wata mai zuwa - sa'an nan ya bayyana a CLA kuma daga baya a GLA
Kamar sauran injunan da ke da hatimin AMG, kowane rukunin mutum ɗaya ne kawai zai haɗa shi. Mercedes-AMG kuma ya sanar da cewa an inganta layin haɗin gwiwar waɗannan injunan tare da sababbin hanyoyi da kayan aiki, yana ba da damar rage lokacin samarwa a kowace naúrar ta kusan 20 zuwa 25%, yana ba da damar samar da injunan 140 M 139 a kowace rana, yadawa. sama da juyi biyu.