Tachometer. Kuverenga nekushandisa kupupura kwake sei?
Tachometer mumotokari haisi gadget inofadza. Chinhu chinobatsira chinogona kushandiswa nenzira dzakawanda dzakasiyana.
Kana isu tisingatarise kuverenga kwe tachometer, hatigone kunyatsoona kumhanya kwekutenderera uko iyo shaft huru yeinjini yemotokari yedu inofamba. Uye zvakakosha kuziva nekuti ruzivo rwakakosha zvakanyanya. Imwe neimwe dhiraivha ine hunhu hwayo hunosarudza maitiro ayo mukushandiswa kwemazuva ese. Nekutarisa kumhanya kweinjini, unogona kushandisa maitiro kuti uwane mamwe mabhenefiti. Zvichienderana nekumhanya kweinjini, tinogona kushandisa zvakanyanya simba reinjini kana tichityaira nekukurumidza, kana isu tinokwanisa kutyaira zvakadzikama uye mushe sezvinobvira, tichiwana yakaderera inobvira kushandiswa kwemafuta.
Kuti ushandise tachometer zvakarurama, mutyairi anofanira kunge ane ruzivo pamusoro pemaitiro ejini. Pasina ruzivo rwakadaro, tachometer ichangova chinhu chisingabatsiri che dashboard. Izvo zvakakosha kuziva iyo torque curve, kosi yedhiyagiramu yayo uye nekumhanyisa ukoshi hwayo hwepamusoro hunoitika. Izvo zvakakoshawo kuziva kuti ndeipi rpm iyo yakanyanya injini simba inoonekwa, uye pane rpm iyo torque uye simba madhayagiramu anopindirana pane injini yekuita dhizaini.
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Mukutyaira zvine simba kana zvemitambo, chinangwa ndechekuchengeta injini ichimhanya pamwero unobvumira iyo yakanyanya torque inokwanisika kugadzirwa. Zvichitaurwa zviri nyore, torque ine basa rekumhanyisa, kwete yakanyanya simba. Injini inoshanda zvakanyanya mumhando iri pakati peRPM ine yakanyanya torque uye RPM ine yakanyanya simba. Iyo yakafara siyana, iyo inowedzera kuchinjika mota. Mukushandiswa kwezuva nezuva, izvi zvinoreva kuti unogona kumhanyisa nekukurumidza mune ino yekumhanyisa renji pasina kushandura magiya. Naizvozvo, zvinodikanwa kuziva uye kurangarira nhanho yekumhanya umo injini ine yakakura kwazvo inotakura mutoro. Kuita kuti zvive nyore kuisa zviratidzo pa tachometer. Yakanakira panguva yekumhanyisa kwakanyanya ndeyekuchinja magiya panguva dzakadai zvekuti mushure mekuchinja, injini inotanga kumhanyisa kubva pakumhanya kwainosvika kana kusvika kune yakanyanya torque. Ipapo ane hukuru hukuru hwekukunda kushorwa kwekufamba kunokonzerwa nekurema kwemota, kukwesha uye kushorwa kwemhepo. Ruzivo rwekuwedzera rwakapihwa ne tachometer inyaya yekuti injini iri kusvika pakakwirira, yakachengeteka RPM. Izvi zvinoratidzwa nemunda mutsvuku pamagumo echiyero uye kucheka-kubvisa mujekiseni system. Kushandisa injini kunze kweiyo inobvumirwa RPM renji kunogona kukonzera kukuvara kune drive unit. Kazhinji kacho, injini inoputika kana tsvimbo yekubatanidza inoputika.
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Paunenge uchityaira zvehupfumi nekusimbisa kune yakaderera inogoneka kushandiswa kwemafuta, kuziva maitiro einjini kunobatsirawo zvakanyanya. Ichokwadi, vatyairi vakawanda vanoomerera kumutemo wekuti zvishoma nezvishoma crankshaft inotenderera, mafuta mashoma achapfuura nepakati pemakamuri ekupisa, asi pane musungo mukufungidzira uku. Zvakanaka, injini haifanire kudarika imwe yekumhanyisa muganhu mune imwe neimwe yegiya. Chinangwa ndechekudzivirira zviitiko zvinokuvadza zvinokurumidzira zvikuru kupfeka kwemabheji ekuisa shaft uye kubatanidza tsvimbo. Kutyaira zvinyoro-nyoro imhando yemanyepo-hupfumi. Kutyaira kwakasimba kunogona kubatanidzwa zvakabudirira pamwe nekushomeka kwemafuta, asi izvi zvinoda tachometer uye ruzivo rweinjini maitiro. Sezvineiwo, kuziva huzere hwekunze maitiro, ine girafu rekushandisa mafuta (zviri nyore ipapo kuona iyo inonyanya kubatsira kumhanya). Asi kunyange pahwaro hwesimba-torque dhayagiramu, zvinokwanisika kuona huwandu hweakanyanya kunaka shanduko maererano nekushandiswa kwemafuta. Kukosha kwavo kunosvika hafu yemarevolutions pakati pepamusoro torque uye simba guru. Nekuchengeta injini iri padyo neichi kukosha, nekuverenga tachometer, iwe unova nechokwadi chekufamba kwakanaka uye kuderera kwemafuta.
