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Matumizi ya Over Drive (OD) kwenye gari automatic

Discussion in 'Habari na Hoja mchanganyiko' started by Albedo, Aug 24, 2009.

  1. Albedo

    Albedo JF-Expert Member

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    Wakuu naomba kufahamishwa, ni mahala au muda gani natakiwa kutumia OverDrive funcionality kwenye auto transmission. Ni kwa Ufahamu tu

    Nawakilisha
     
  2. Nyambala

    Nyambala JF-Expert Member

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    Acha uvivu search the internet ha ukigugo tu unapata straight!
     
  3. Albedo

    Albedo JF-Expert Member

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    Huko napata theory tu, nataka watu wanieleze kutokana na exerience zao na kutokana na ukweli road conditons za bongo ni tofauti na zao akina google na yahoo au bing
     
  4. Dingswayo

    Dingswayo JF-Expert Member

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    Bonyeza overdrive ukiwa kwenye highway, especially kama unakwenda mwendo wa kasi ambapo hutasimama mara kwa mara k.m. ukiwa katika safari ndefu.

    '...
    Overdrive can refer to two different things. An overdrive is a device which was commonly used in [ame="http://en.wikipedia.org/wiki/Automobiles"]automobiles[/ame] to allow the choice of an extra-high overall [ame="http://en.wikipedia.org/wiki/Gear_ratio"]gear ratio[/ame] for high speed cruising, thus [ame="http://en.wikipedia.org/wiki/Fuel_efficiency"]saving fuel[/ame], at the cost of less [ame="http://en.wikipedia.org/wiki/Torque"]torque[/ame]. Usually the final or [ame="http://en.wikipedia.org/wiki/Top_gear"]top gear[/ame] is called overdrive. Non direct drive gears increase torque multiplication at the expense of higher engine rpm and thus, decreased fuel economy.
    It also refers to a combination of gearing inside a transmission or [ame="http://en.wikipedia.org/wiki/Transaxle"]transaxle[/ame] which results in the output speed being greater than the input speed. In the latter case, "overdrive" does not refer to a physically separate identifiable part/assembly.'
     
  5. Jephta2003

    Jephta2003 JF-Expert Member

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    Mkuu Over drive inakuja unapotaka kwenda speed zaidi ya 80,so gari inakuwa na uwezo wa kuingia gia no 5
     
  6. Kaizer

    Kaizer JF-Expert Member

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    Kwa hiyo mkuu utaona kuwa kwa mazingira yetu ya Dar mara nyingi OD inabidi iwe on (na ikiwa off huwa inawaka taa either kwen dashboard ) kuonyesha kuwa iko off na u have to think kwa nini iwe off,

    Mi binafsi naiweka off kama ninataka kuachieve speed kubwa kama kuovertake chap chap kisha kuirudisha on. Ikiwa off inakula sana wese.

    Source: Wikipedia.
     
  7. M

    Mbalamwezi JF-Expert Member

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    Keizer, Ndege ya Uchumi salaam!

    Kwa lugha rahisi, OD ni gia namba 5 ambayo inakupa mwendo uliotulia, wa kasi lakini kwa mzunguko mdogo wa injini (RPM). Hii hukuwezesha kuwa na matumizi madogo ya mafuta pengine kwa kasi zaidi.

    Unaweza kuitumia pia ikiwa unataka kuipita motakaa nyingine, mathalan, kwenye kilima ambapo nawe motakaa yako inakuwa umepungua nguvu, hivyo unaweza kuiweka off (hapa unakuwa kama umerudisha namba 4), na injini itabadili kasi ya mzunguko, utaiweka uklisha maliza tena matumizi yake.

    Eneo lingine, ni mara gurudumu la motaklaa yako linapopasuka. Ikitokea hivyo, unaweza kuondoa OD, huku ukiwa umeacha kukanyaga pedeli ya mafuta, kwa maana ndiyo utakuwa unaomba mwendo upungue pasi na kukanyaga breki. Katika hali kama hii, utakuwa umesaidia kupunguza mwendo wa gari wakati ukithibiti muelekeo wa motokaa pia.

    Watu wengine katika hali kama hii huwa wanakanyaga breki. Kufanya hivi ni hatari, maana unasimamisha kabisa mwendo wa gurudumu lililopasuka, na matokeo yake mwendo wa motokaa, badala ya kwenda mbele, itajaribu kutii amri ya gurudumu linalogomea motokaa kwenda mbele na kuamua kwenda upande wa gurudumu lilipasuka, nikiwa na maana kwamba hapo motokaa itakuwa inaacha njia na au kupinduka.

    Kwa giaboksi zenye kujibadili zenyewe, ni vema basi tukaziacha OD zijiendeshe zenyewe, maana kuziondoa hatari yake ni kuwa unaweza kusahau kuiweka tena unapokwenda zaidi ya km 70 kwa saa, mfano barabara ya Nyerere, na kusababisha matumizi makubwa ya nishati ya kuendeshea mtambo.
     
  8. Albedo

    Albedo JF-Expert Member

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    Mkuu Mbalamwezi Shule kubwa sana hii na inabidi watu wengi zaidi waifahama maana kila kukicha bei ya Mafuta inapaa kama Ndege ya Uchumi ya EL.

    Asanteni wakuu kwa maelezo yenu mazuri na Jengefu
     
  9. s

    superfisadi JF-Expert Member

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    mimi nilikuwa naitumia kwenye rafu roads kwani nikiweka huwa gari inakuwa zito hivyo nikitaka kuwahi huwa nazima kweli wajapani tunawahitaji kwa maelezo ya product zao
     
  10. RealTz77

    RealTz77 JF-Expert Member

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    hii thread imenielimisha sana jamani,asante kw aalieuliza na waliotoa majibu mazuri na murua kabisa,ninatumia auto sometimes so nitaiweka OD on mda wote!!
     
  11. K

    Kyachakiche JF-Expert Member

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    Mkuu asante umesomeka vizuri sana.
     
  12. Albedo

    Albedo JF-Expert Member

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    JF ni kila kitu, Majibu ya Maswali yako yote yako hapa Jamvini Mkuu, wewe ni sula la ku initiate, Watu si Wachoyo hapa.

    Asanteni
     
  13. Next Level

    Next Level JF-Expert Member

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  14. H

    Hofstede JF-Expert Member

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    Ila drive gari manual kuna raha yake. Bongo siku hizi waendeshaji ni wengi sana, madereva ni wachache. Nilikuwa na gari yangu manual kutaka kuiuza kila mtu akiiona anasema ingekuwa automatic angenunua kwa bei ninayotaka mimi, vinginvyo nipunguze bei. Nikaamua kuahirisha mpango wa kuiuza LOL!
     
  15. MduduWashawasha

    MduduWashawasha JF-Expert Member

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    huyo aliyesema ukivuka 80 kpm unatumia mafuta kidogo sidhani kama ni mkweli.unavyokanyaga zaidi ndo mafuta yanakwenda zaidi.theory hiyo inawork kama uko kwenye speed kubwa zaidi kama 140 kmp au zaidi au chini ya 80.otherwise overdrive ni kwenda gear number 5 na kwa mazingira ya day iweke off daima kwani wataalam wanasema kuiacha on saa zote ina damage engine kinamna achilia mbali suala la consumption kubwa
     
  16. Kaizer

    Kaizer JF-Expert Member

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  17. H

    HM Hafif JF-Expert Member

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    nami nimepatapata hapo. nashukuru wengi mliochangia. Tumeelimika wengi
     
  18. Masanilo

    Masanilo JF-Expert Member

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    Mkuu na wewe unaendesha auto? kwani wewe ni mlemavu? Gari manual bana.....
     
  19. M

    Mbalamwezi JF-Expert Member

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    Mdudu,

    acha kudhani dhani juu ya mambo ya kitaalam. motakaa katika hali ya kawaida, na kwa wastani, inatumia mafuta mafuta kidogo kabisa ikiwa kwenye mwendo wa kati ya 70 km kwa saa na 110 kwa saa. Ukizidi hapo, unakuwa kwenye matumizi ya juu kabisa.

    RPM (Revolution per minute) ni kiwango cha mzunguko wa injini. Ikiwa unatumia gia namba 4 hadi mwendo kasi wa 70 km kwa saa, basi inawezekana, kama injini ni nzuri, RPM ikawa kwenye 2600-2800 hivi kama uko kwenye mpango wa OD, basi motokaa yako itabadili gia na kuingia kwenye 5, ambayo ni OD, na ukizidisha hadi kati ya 80 na 90 hivi, basi RPM itapungua hadi kufikia 2200 hadi 2500 hivi.

    Maana yake nini? Maana yake injini sasa itazunguka mara chache zaidi kwa mwendo kasi zaidi (70km/h hadi 110 km/h).

    Ukizidisha toka 120km/h na kuendelea, basi na RPM zitaongezeka na mafuta yatanywewa mengi tu.

    Auto zinafaa sana kwenye foleni kama za Dar, ambako unaepuka sana matumizi ya kilachi (clutch), maana unajikuta mguu wa kushoto unakuwa busy kukanyaga kanyaga ndani ya mita pengine 200 tu katika dk 45 pale Moroko saa mbili asubuhi.

    Manual zinafurahisha long trips, unajidai na unajisikia hasa unaendesha. Unaweza kuiamuru gari kwenye milima iende upesi zaidi, si kama auto ambayo inapanga yenyewe. Unaweza kumpita mwingine kwa wepesi wa hali ya juu, si kama auto ambayo itabidi uondoe OD ndo uongeze kasi ya kumpita.
     
  20. Dingswayo

    Dingswayo JF-Expert Member

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    Sasa hivi magari ya manual ya kutoka Japan yanauzwa bei ghali zaidi kuliko ya automatic.
     
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