Ce este overdrive, ...la o cutie de viteze automata
Ce este overdrive, ...la o cutie de viteze automata
Corbu' |
28 Jun 2009, 16:52
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#1
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Membru autentic Group: Members Posts: 763 Joined: 6 August 05 From: Canada |
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ArtVandelay |
28 Jun 2009, 17:20
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#2
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Anytown, USA.. Group: Members Posts: 2.662 Joined: 5 January 08 From: Craiova |
ce legatura are o automata in 4 trepte cu cutia de pe dacia 1300?
eu din cate stiu overdrive inseamna ca are posibilitatea sa le schimbi si manual..dar nu-s sigur |
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Iulikk |
28 Jun 2009, 17:36
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#3
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Fost Membru Solenzar Group: Members Posts: 8.949 Joined: 6 May 08 From: Litoral |
Asta am gasit asa... repde:
Overdrive can refer to two different things. An overdrive is a device which was commonly used in automobiles to allow the choice of an extra-high overall gear ratio for high speed cruising, thus saving fuel, at the cost of less torque. Usually the final or top gear 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 transaxle 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. |
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Autoturism
visiniu
cu roti
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SSilent |
28 Jun 2009, 17:42
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#4
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Membru Vitezoman Group: Members Posts: 1.235 Joined: 23 July 07 From: ...I'm everywhere... nowhere |
cu alte cuvinte in ovar-draiv ai un nr de rotatii mai mari la iesirea din cutie fata de intrarea in cutie
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Dacia
1210
1986
- N/A dacie dezmembrata... in curs de RK ^_^
cu planuri de viitor (adica vise): -Yamaha Fazer 600 cm3 -Ford Escord 2000RS -Mercedes Benz W201 |
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ydaniel |
28 Jun 2009, 17:45
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#5
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Adrenaline junkie! Group: Members Posts: 10.608 Joined: 11 August 04 From: black sea |
overdrive e treapta de supraviteza.
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Oriunde,
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Corbu' |
28 Jun 2009, 18:01
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#6
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Membru autentic Group: Members Posts: 763 Joined: 6 August 05 From: Canada |
Am citit ce scrie pe Wikipedia, dar nu inteleg cum actioneaza treapta de overdrive fata de treptele "normale" ale cutiei. Adica pot avea overdrive peste fiecare treapta a cutiei, e doar o treapta extra peste cele 4 sau este chiar viteza a 4 a.
This post has been edited by Corbu': 28 Jun 2009, 18:02 |
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einstein1984 |
28 Jun 2009, 19:18
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#7
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fan Dacia Group: Members Posts: 19.943 Joined: 12 November 05 From: Bucuresti |
E o treapta extra, insa in general in ziua de azi nu mai zice nimeni 4 +overdrive, zic direct 5. Englezii prin 70 aveau overdrive la cutii manuale, cu o transmisie planetara cu raportul 0,75:1 inseriata cu cea clasica si care se activa cu un buton de pe schimbator in treptele 3 si 4.
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daca nu ai o toyota
4X4,ai gresit
masina
- negru pe alb "Popa Nan e-o stradă-nspre Hala Traian
De la Foișor până-n Piața Vitan" |
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Corbu' |
28 Jun 2009, 19:56
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#8
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Membru autentic Group: Members Posts: 763 Joined: 6 August 05 From: Canada |
Ok. Deci cand zic 4 speed with overdrive inseamna 3+overdrive. Gasisem o Toyota Corolla de prin 2001 si avea 3 speed auto cu overdrive. Penal, practic ar avea 2 viteze+ overdrive pentru autostrada.
This post has been edited by Corbu': 28 Jun 2009, 20:01 |
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Andy_ACS |
28 Jun 2009, 20:01
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#9
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Yes, I'm not! Group: Members Posts: 6.274 Joined: 19 July 04 From: Craiova |
cand m-am plimbat eu cu automate pe schimbator in lateral se gasea un buton. Am intrebat pe cineva care folosea des automate si mi-a spus ca acela e butonulo de overdrive. Cand am intrebat pentru ce este mi-a explicat ca e folosit de exemplu la urcarea pantelor, masina va ramane intr-o treapta inferioara (nu schimba in sus). Am testat si eu pe masina pe care o conduceam, asa este. La apasarea butonului se aprindea si un martor in bord, iar o panta la care masina schimba enervant din 3 in 4 daca ridicai putin piciorul de pe acceleratie am urcat-o numai in 3 + overdrive.
Bafta! |
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Corbu' |
28 Jun 2009, 20:19
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#10
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Membru autentic Group: Members Posts: 763 Joined: 6 August 05 From: Canada |
Cred ca e un pic invers. Daca decuplezi overdrive masina schimba in viteza maxima de pana in overdrive, in cazul tau 3 pentru a avea putere in panta (practic nu te lasa sa folosesti viteza de overdrive). Cel putin asa am inteles pana acum de pe net.
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Andy_ACS |
28 Jun 2009, 20:23
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#11
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Yes, I'm not! Group: Members Posts: 6.274 Joined: 19 July 04 From: Craiova |
E posibil, nu imi dau seama daca eu cand apasam butonul ala activam sau dezactivam overdrive, cert e ca mergea numai cu viteza 3. Iar la inca o apasare se stingea ledul din bord si chimba si in 4.
Bafta! |
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flovld |
29 Jun 2009, 10:56
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#12
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Membru incepator Group: Members Posts: 69 Joined: 29 January 08 |
Tot in legatura cu cutiile automate... ce inseamna termenul "kick-down"?. Cum, cand se utilizeaza? Ce fenomene au loc in transmisie la utilizarea acestuia? Intreb si eu deoarece nu am condus "automate" pana acum.
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einstein1984 |
29 Jun 2009, 11:07
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#13
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fan Dacia Group: Members Posts: 19.943 Joined: 12 November 05 From: Bucuresti |
Schimba o treapta in jos la accelerare.
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daca nu ai o toyota
4X4,ai gresit
masina
- negru pe alb "Popa Nan e-o stradă-nspre Hala Traian
De la Foișor până-n Piața Vitan" |
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Andy_ACS |
29 Jun 2009, 11:18
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#14
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Yes, I'm not! Group: Members Posts: 6.274 Joined: 19 July 04 From: Craiova |
@flovld - "kick-down" se refera la momentul in care calci brusc acceleratia la podea (sa zicem ca ai nevoie intr-o depasire). In acel moment cutia schimba intr-o treapta inferioara (poate schimba chiar si mai multe trepte in jos, nu numai una). In felul acesta ai putere si cuplu sa depasesti. Unii sunt nemultumuiti ca anumite cutii mai lenese ezita unpic pana sa schimbe, in felul asta se pierde timp.
Bafta! |
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einstein1984 |
29 Jun 2009, 11:24
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#15
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fan Dacia Group: Members Posts: 19.943 Joined: 12 November 05 From: Bucuresti |
Doar cutiile cu 6 sau mai multe trepte pot schimba 2 in jos la accelerare. Trucul cu eliberat gazul si apassat din nou se poate folosi cu succes si la urcat dealuri.
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daca nu ai o toyota
4X4,ai gresit
masina
- negru pe alb "Popa Nan e-o stradă-nspre Hala Traian
De la Foișor până-n Piața Vitan" |
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C a t a l i n |
29 Jun 2009, 11:26
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#16
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______________________ Group: Members Posts: 12.175 Joined: 21 August 06 |
Adică doar la cutiile manuale robotizate, cu mod de schimbare automat.
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einstein1984 |
29 Jun 2009, 11:31
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#17
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fan Dacia Group: Members Posts: 19.943 Joined: 12 November 05 From: Bucuresti |
Ma scuzati, dar nu. Ma refeream la 7G tronic si ZF6HP24, transmisii automate cu angrenaje planetare. Sau daca vrei, la cea in 8 trepte de la lexus.
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daca nu ai o toyota
4X4,ai gresit
masina
- negru pe alb "Popa Nan e-o stradă-nspre Hala Traian
De la Foișor până-n Piața Vitan" |
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SSilent |
29 Jun 2009, 11:39
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#18
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Membru Vitezoman Group: Members Posts: 1.235 Joined: 23 July 07 From: ...I'm everywhere... nowhere |
ce model de Lexus are 8 viteze?
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Dacia
1210
1986
- N/A dacie dezmembrata... in curs de RK ^_^
cu planuri de viitor (adica vise): -Yamaha Fazer 600 cm3 -Ford Escord 2000RS -Mercedes Benz W201 |
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einstein1984 |
29 Jun 2009, 12:01
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#19
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fan Dacia Group: Members Posts: 19.943 Joined: 12 November 05 From: Bucuresti |
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daca nu ai o toyota
4X4,ai gresit
masina
- negru pe alb "Popa Nan e-o stradă-nspre Hala Traian
De la Foișor până-n Piața Vitan" |
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