Volkswagen da aka gabatar a taron tattaunawa na Injiniya na karshe a Vienna - nunin da aka sadaukar don sabbin fasahohin zamani a wannan fanni na injiniya - sabon EA211 TSI Evo: injin mai turbocharged na lita 1.5 na farko tare da turbocharger mai canzawa. Maganin da muka riga muka sani daga wani samfurin (daga wani gasar zakarun…), Porsche 718 Cayman/Boxster S.
Alamar Jamus ta sanar da cewa za ta kasance, a cikin kashi na farko, a cikin matakan wutar lantarki guda biyu: 130 hp da 150 hp . Samfurin rukunin farko na Volkswagen don karɓar wannan sabon injin EA211 TSI Evo zai zama Volkswagen Golf - ƙirar da za mu gwada da farko a ƙarshen wannan watan.
Idan aka kwatanta da 1.4 TSI tare da 125 hp, wannan injin yana da inganci 10%, duka ta fuskar amfani da hayaki. Baya ga turbo mai ma'ana mai canzawa da aka ambata, wani ɓangare na ƙimar ingancin injin wannan shine saboda tsarin kashewa na Silinda da kuma ɗaukar zagayowar konewar Miller tare da matsi mafi girma - matsakaicin karfin yana samuwa sannan a 1300 rpm (duba hoto).
An daɗe ana amfani da shi a injunan dizal, yanzu ne turbos na geometry masu canzawa suka fara girma a cikin injunan mai - ku tuna cewa samfurin mai na farko don amfani da wannan fasaha shine Porsche 911 Turbo (ƙarni na 997) a cikin 2006.
Menene turbos na geometry masu canzawa?
Kamar yadda sunan ke nunawa, da Turbos na geometry mai canzawa (TGV) sun bambanta da turbos na al'ada (kafaffen lissafi) saboda yiwuwar ci gaba da daidaitawa na turbine ruwan wukake. Godiya ga wannan motsi, yana yiwuwa a inganta kwararar iskar gas a cikin kewayon rpm mai faɗi.Me yasa TGVs kawai suke kaiwa injunan mai?
A cikin injunan man fetur, aiwatar da TGVs ya kasance mafi wahala saboda yawan zafin jiki na iskar gas idan aka kwatanta da injunan diesel. Har zuwa yanzu, don aiwatar da TGVs a cikin injunan man fetur ya zama dole don yin amfani da kayan haɗin ƙarfe masu tsada, wanda ya sa farashin wannan bayani ya zama tsada sosai ga motoci "na kowa". A bayyane yake, Volkswagen ya samo maganin wannan matsala.
