Uyu munsi dusubiye muri 70 kubaha imwe mumashini yinzozi itigeze ikorwa.
Mu imurikagurisha ry’imodoka rya Tokiyo mu 1970 ni bwo Mazda, hagati yo kwaguka kwayo, yatangije bwa mbere Concepts ya RX-500. Yahawe igishushanyo cya futuristic hamwe nuburyo bwa "kurasa feri", byahise bigaragara neza mubindi. Ariko nubwo iyi siporo itinyutse kandi itinyutse, Mazda RX-500 yakozwe muburyo bwikigereranyo kuri sisitemu nshya z'umutekano. Kurugero, inyuma, amatara "yarangije" yerekanaga niba imodoka yihuta, feri cyangwa ikomeza umuvuduko uhoraho.
Imodoka ya siporo yakoreshejwe na moteri ya Wankel 10A mumwanya winyuma ufite 491 cc yubushobozi na 250 hp yingufu. Ukurikije ikirango, iyi moteri ntoya izunguruka yashoboye kugera kuri 14,000 rpm (!), Bihagije kugirango igere ku muvuduko ntarengwa wa 241 km / h. Ibi byose bifite kg 850 gusa yuburemere muri seti, bitewe numubiri wakozwe ahanini muri plastiki - uburemere bwinshi bwatewe ninzugi za "wing wing", zari zizwi cyane muriki gihe.
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Nubwo ari imwe mu moderi ya mbere ya Mazda ifite moteri ya Wankel, bityo bikaba byaragize uruhare mu iterambere ryabo, Concepts ya Mazda RX-500 ntiyigeze irenga ibyo, prototype yagombaga gusigara itarebwa mu myaka irenga mirongo itatu.Ariko muri 2008, amaherezo Mazda RX-500 yagaruwe, ifashijwe nabagize itsinda ryambere ryiterambere. Porotipire yerekanwe umwaka ukurikira muri salle ya Tokiyo ndetse na vuba aha mu iserukiramuco rya Goodwood 2014, mbere yo gusubira mu nzu ndangamurage ya Hiroshima yo gutwara abantu.