Inshingano nyamukuru ya bumper ni ukurinda abanyamaguru: kubera ko abanyamaguru ari amatsinda y’abatishoboye, bumper ya pulasitiki ishobora kugabanya imbaraga ku maguru y’abanyamaguru, cyane cyane inyana, hamwe n’igishushanyo mbonera cy’imbere gikwiye, bigabanye urwego rw’imvune iyo abanyamaguru bagonzwe.
Icya kabiri, ikoreshwa mu kugabanya igihombo cy'ibice by'imodoka mu gihe cy'impanuka y'umuvuduko. Iyo bumper idakozwe neza, kwangirika kw'ibi bice bishobora kuba bikomeye mu gihe cy'impanuka.
Kuki amabampa ari pulasitiki kandi yuzuyemo ifuro?
Mu by’ukuri, bumper yari ikozwe mu cyuma kera cyane, ariko nyuma byagaragaye ko akamaro ka bumper ari ukurinda abanyamaguru, bityo ni ibisanzwe kuyihindura ikoresheje pulasitiki.
Imitako imwe n'imwe y'icyuma idapfa kugwa izaba itwikiriwe n'urupapuro rw'ifuro, kugira ngo uruziga rw'icyuho kiri hagati ya bumper ya resin n'umutako w'icyuma udapfa kugwa, ku buryo bumper iba "yoroshye" uvuye inyuma, ingaruka nyazo ziba ku muvuduko muto cyane, imbaraga nke cyane, kandi ntizikomeze kubungabungwa.
Uko bumper iba iri hasi, niko ikiguzi cyo kuyisana kiba kinini:
Raporo ya IIHS ivuga ko uko imiterere ya bumper iba iri hejuru, ikiguzi cyo kuyisana kiba gito. Imodoka nyinshi bitewe n’imiterere mike cyane ya bumper, iyo impanuka ya SUV, ikamyo yo mu bwoko bwa pickup ntabwo ari ingenzi, kwangirika kw’ibindi bice by’imodoka nabyo biba binini.
Amafaranga yo gusana bumper y'imbere ari hejuru cyane ugereranyije n'amafaranga yo gusana bumper y'inyuma ari hejuru cyane ugereranyije n'amafaranga yo gusana bumper y'inyuma.
Kimwe ni uko bumper y'imbere ikoresha ibice byinshi by'imodoka, mu gihe bumper y'inyuma ikoresha gusa ibice bifite agaciro gato nk'amatara y'inyuma, imiyoboro isohora umwotsi n'inzugi z'inyuma.
Icya kabiri, kubera ko moderi nyinshi zagenewe kuba zo hasi imbere n'inyuma, bumper y'inyuma ifite akarusho runaka mu burebure.
Utwuma duto tw’imbaraga nke dushobora guhangana n’ingaruka, mu gihe utwuma duto tw’imbaraga dufite uruhare mu kohereza imbaraga, gukwirakwiza no gufunga, hanyuma tugashyirwa mu zindi ngingo z’umubiri, hanyuma tukishingikiriza ku mbaraga z’imiterere y’umubiri kugira ngo tuwurwanye.
Amerika ntabwo ifata bumper nk'uburyo bw'umutekano: IIHS muri Amerika ntabwo ifata bumper nk'uburyo bw'umutekano, ahubwo ni nk'inyongera mu kugabanya igihombo cyo kugongana n'umuvuduko muto. Kubwibyo, igeragezwa rya bumper rishingira no ku gitekerezo cy'uburyo bwo kugabanya igihombo n'ikiguzi cyo kubungabunga. Hari ubwoko bune bw'ibizamini bya IIHS byo kugongana, ari byo ibizamini by'impanuka imbere n'inyuma (umuvuduko wa 10km/h) n'ibizamini by'impanuka imbere n'inyuma (umuvuduko wa 5km/h).
