Ibyiza bya aluminium:

Kugeza ubu, silinderi ya moteri ya lisansi igabanijwemo ibyuma na aluminiyumu. Muri moteri ya mazutu, ibyuma bya silinderi ihagarika igice kinini. Mu myaka yashize, hamwe n’iterambere ryihuse ry’inganda z’imodoka, imodoka zinjiye vuba mu buzima bw’abantu basanzwe, kandi muri icyo gihe, imikorere yo kuzigama lisansi y’ibinyabiziga yagiye yitabwaho buhoro buhoro. Mugabanye uburemere bwa moteri kandi uzigame lisansi. Gukoresha silinderi ya aluminiyumu irashobora kugabanya uburemere bwa moteri. Urebye kubikoresha, ibyiza bya silindini ya aluminiyumu yuburemere nuburemere bworoshye, bushobora kubika lisansi kugabanya ibiro. Muri moteri yo kwimuka kimwe, gukoresha moteri ya aluminium-silinderi irashobora kugabanya uburemere bwibiro 20. Kugabanuka kwa 10% muburemere bwibinyabiziga, gukoresha lisansi birashobora kugabanukaho 6% kugeza 8%. Nk’uko amakuru aheruka abigaragaza, uburemere bw’imodoka z’amahanga bwaragabanutseho 20% kugeza kuri 26% ugereranije na kera. Kurugero, Focus ikoresha ibikoresho byose bya aluminiyumu ivanze, igabanya uburemere bwumubiri wikinyabiziga, kandi mugihe kimwe ikongera imbaraga zo gukwirakwiza ubushyuhe bwa moteri, igateza imbere imikorere ya moteri, kandi ikagira ubuzima burebure. Urebye kuzigama lisansi, ibyiza bya moteri ya aluminiyumu mu kuzigama lisansi byashimishije abantu. Usibye itandukaniro ryuburemere, hariho kandi itandukaniro ryinshi hagati yumuringa wicyuma cya silinderi hamwe na aluminiyumu ya silinderi mubikorwa byo gukora. Umurongo w'ibyuma bikozwe mu cyuma ufite umwanya munini, ufite umwanda mwinshi w’ibidukikije, kandi ufite ikoranabuhanga ritoroshye ryo gutunganya; mugihe umusaruro uranga silindini ya aluminiyumu itandukanye gusa. Urebye guhatanira isoko, cast ya aluminium silinderi ifite ibyiza bimwe.

Ibyiza by'icyuma:

Imiterere yumubiri yicyuma na aluminiyumu iratandukanye. Ubushyuhe bwo gutwara ubushyuhe bwa bicyuma ya silinderi irakomeye, kandi ubushobozi bwicyuma ni bwinshi mubijyanye nimbaraga za moteri kuri litiro. Kurugero, imbaraga zisohoka za litiro 1,3 ya moteri yicyuma irashobora kurenga 70kW, mugihe imbaraga zisohoka za moteri ya aluminiyumu ishobora kugera kuri 60kW gusa. Byumvikane ko moteri ya litiro 1.5 yo kwimura ibyuma ishobora kuzuza ingufu za moteri ya moteri ya litiro 2.0 ikoresheje turbocharge hamwe n’ikoranabuhanga, mu gihe moteri ya silindini ya aluminiyumu bigoye kuzuza iki cyifuzo. Kubwibyo, abantu benshi barashobora kandi guturika umusaruro utangaje mugihe utwaye Fox kumuvuduko muke, ibyo ntibifasha gusa gutangira no kwihuta kwimodoka, ahubwo binatuma guhinduranya hakiri kare kugirango bigere ku ngaruka zo kuzigama lisansi.　　Aluminium ya silinderi iracyakoresha ibikoresho byuma mugice cya moteri, cyane cyane silinderi, ikoresha ibikoresho byuma. Igipimo cyo kwagura ubushyuhe bwa aluminiyumu hamwe nicyuma gikozwe ntabwo ari kimwe nyuma yo gutwikwa, nicyo kibazo cyo guhindagurika kwa deformasiyo, nikibazo kitoroshye mugikorwa cyo guta amashanyarazi ya aluminium. Iyo moteri ikora, moteri ya aluminiyumu ya silinderi ifite ibyuma bya silinderi igomba kuba yujuje ibyangombwa byo gufunga. Nigute wakemura iki kibazo nikibazo gitera aluminium silinderi yamasosiyete yitondera byumwihariko.