Injin Wankel zai kasance yana da alaƙa da Mazda har abada. Wannan alamar ita ce ta girma, kusan keɓantacce, a cikin shekaru biyar da suka gabata. Kuma a wannan makon na bikin cika shekaru 50 da fara kasuwancin Mazda Cosmo Sport (110S a wajen Japan), wanda ba wai kawai motar wasan motsa jiki ta Japan ba ce kawai, amma kuma samfurin farko don amfani da injin jujjuya tare da rotors biyu.
Cosmo ya zo ne don ayyana wani muhimmin sashi na DNA ta alamar. Shi ne magabacin samfura kamar Mazda RX-7 ko MX-5. Mazda Cosmo Sport ya kasance mai kula da hanya tare da gine-gine na yau da kullun: injin tsayin tsayin gaba da tuƙi na baya. Wankel wanda ya dace da wannan ƙirar ta kasance tagwaye-rotor mai girman 982 cm3 tare da ƙarfin dawakai 110, wanda ya tashi zuwa 130 hp tare da ƙaddamarwa, shekara guda bayan haka, na jerin na biyu na ƙirar.
Kalubalen Injin Wankel
Dole ne a shawo kan manyan ƙalubale don sanya Wankel ya zama ingantaccen gine-gine. Don nuna amincin sabon fasaha, Mazda ya yanke shawarar shiga tare da Cosmo Sport, a cikin 1968, a cikin ɗayan mafi tsananin tsere a Turai, sa'o'i 84 - na maimaita -, Marathon de la Route na Awa 84 akan da'irar Nürburgring.
Daga cikin mahalarta 58 sun hada da Mazda Cosmo Sport guda biyu, a zahiri ma'auni, iyakance ga ƙarfin dawakai 130 don haɓaka dorewa. Daya daga cikinsu ya kai karshe, inda ya kare a matsayi na hudu. Dayan kuma ya janye daga gasar, ba saboda gazawar injin ba, amma saboda lalacewar gatari bayan awa 82 a gasar.
Cosmo Sport ya samar da raka'a 1176 kawai, amma tasirinsa akan Mazda da injunan rotary yana da mahimmanci. Daga cikin duk masana'antun da suka sayi lasisi daga NSU - Jamus mai kera motoci da babura - don amfani da haɓaka fasahar, Mazda kawai ya sami nasara a cikin amfani da shi.
Wannan ƙirar ita ce ta fara sauye-sauyen Mazda daga babban masana'antar kera ƙananan motoci da motocin kasuwanci zuwa ɗaya daga cikin mafi kyawun samfuran masana'antar. Ko da a yau, Mazda ta ki amincewa da yarjejeniyar aikin injiniya da ƙira, ba tare da tsoron gwaji ba. Ko don fasaha - irin su SKYACTIV na baya-bayan nan - ko don samfurori - irin su MX-5, wanda ya sami nasarar dawo da tunanin ƙananan motoci masu araha na 60's.
Menene makomar Wankel?
Mazda ta kera kusan motoci miliyan biyu sanye da jiragen ruwa na Wankel. Kuma ya kafa tarihi da su har a gasar. Daga mamaye gasar IMSA tare da RX-7 (a cikin 1980s) zuwa cikakkiyar nasara a 24 Hours na Le Mans (1991) tare da 787B. Samfurin sanye da rotors hudu, jimlar lita 2.6, mai iya isar da karfin dawakai sama da 700. Jirgin 787B ya shiga tarihi ba wai don kasancewarsa motar Asiya ta farko da ta yi nasara a tseren almara ba, har ma ta farko da ke da injin jujjuya don cimma irin wannan nasarar.
Bayan ƙarshen samar da Mazda RX-8 a cikin 2012, babu sauran shawarwari don irin wannan injin a cikin alamar. An sanar da dawowar sa kuma an hana shi sau da yawa. Koyaya, ga alama anan ne zaku iya komawa (duba hanyar haɗin da ke sama).
