A wannan shekara injin Wankel a Mazda yana murna da shekaru 50 kuma jita-jita game da dawowar wannan nau'in injin na musamman ga alamar sun fi ƙarfi fiye da kowane lokaci. Har sai an sami (sake) tabbaci ko za mu sami sabon injin jujjuya ko a'a, muna ci gaba da gano ramifications na saga Wankel.
Kuma wannan yana ɗaya daga cikin ƙananan sanannun. Wani da ba kasafai 1985 Mazda RX-7 Evo Group B, daga 1985, za a yi gwanjo ranar 6 ga Satumba a London, ta RM Sotheby's. Ee, Mazda Group B ne.
A cikin 1980s, direban Bajamushe Achim Warmbold yana bayan Mazda Rally Team Europe (MRTE) a Belgium. Da farko ƙoƙarinsu ya mayar da hankali ne kan haɓaka Mazda 323 Rukunin A, amma wannan aikin da sauri ya bi sahun Mazda RX-7 Group B tare da injin Wankel.
Ba kamar dodanni da suka fito a cikin wannan rukunin ba - tuƙi mai ƙafa huɗu, tsakiyar injin baya da caji - Mazda RX-7 ya kasance “wayewa”. A gindinsa shi ne ƙarni na farko na motar motsa jiki (SA22C / FB), kuma kamar motar samar da ita tana kiyaye motar baya, injin a gaba ba turbo ba. Nisa daga samfura kamar Lancia Delta S4 ko Ford RS200.
Injin, sanannen 13B, ya kasance mai kishin halitta. Don samun ƙarin ƙarfi, madaidaicin silin da aka sake dawowa zai yi sama. Ƙarfin dawakai 135 na samarwa a 6000 rpm ya ƙaru zuwa 300 a 8500!
Duk da babu wani turbo da cikakken gogayya, Mazda RX-7 Evo, kamar yadda za a kira shi, gudanar da samun na uku wuri a cikin Acropolis Rally (Girka) a 1985. Ya kasance ba kawai a duniya rally Championships a lokacin 1984. da 1985 kuma a faɗi gaskiya, wannan aikin bai taɓa samun tallafi mai yawa daga kamfanin iyaye ba. Mazda ya fi son ci gaban rukunin A na 323 - injin silinda huɗu tare da turbo da motar ƙafa huɗu. Kuma a tarihi, zai zama yanke shawara mai hikima.
MRTE 019, Mazda RX-7 wanda bai taɓa yin gasa ba
Rukunin B zai ƙare a cikin 1986 kuma tare da shi, duk wata dama ta sabbin ci gaba don RX-7. Saboda dokokin da ake da su, raka'a 200 don yin jima'i zai zama dole, amma Mazda za ta gina 20 kawai, kamar yadda alamar Jafananci ta riga ta sami matsayi a cikin Rukunin 1, 2 da 4. Daga cikin 20, ana zaton cewa bakwai ne kawai. gaba daya ya hau, kuma daya daga cikin wadannan ya lalace a wani hatsari.
Naúrar da za a yi gwanjo ita ce MRTE 019 chassis, kuma ba kamar sauran RX-7 Evo ba, wannan bai taɓa gudana ba. Bayan karshen rukunin B, wannan rukunin ya kasance a Belgium, a harabar MRTE. A farkon 90s, MRTE 019 ya tafi Switzerland - ta hanyar mai shigo da Mazda na hukuma - tare da sauran chassis da sassan RX-7.
Bayan wasu 'yan shekaru sai ya bace daga wurin, ya zama wani ɓangare na tarin sirri, kafin ya sake canza hannu ga mai shi na yanzu. Ya kasance tare da na baya, David Sutton, cewa MRTE 019 ya yi aikin gyaran haske, wanda ya dauki watanni shida, don tabbatar da cewa dukkanin bayanan motar sun kasance daidai kuma ba a yi musu ba. Sakamakon ƙarshe shine Mazda RX-7 Evo a cikin yanayi kuma zuwa ƙayyadaddun masana'anta na asali.
A cewar RM Sotheby's, an ba da tabbacin zama kawai Mazda RX-7 Evo Group B na ainihi kuma watakila rukunin B kawai da ba a yi amfani da shi ba.
