Ghid de conducere off road |
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Ghid de conducere off road |
Feb 10 2011, 02:53 PM
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specialist Group: Moderator Posts: 2.274 Joined: 9-February 06 From: Between VT & MA Member No.: 67.555 |
Eu personal sunt un novice in aceasta materie, de aceea astept sfaturi autorizate. Recunosc ca din manualul Mazdei nu am reusit sa deslusesc toate problemele care pot aparea in off road pentru simplul motiv ca e in italiana (la care sunt complet afon) O prima problema este cand se folosesc in off road diferitele tipuri de tractiuni :2WD (numai rotile spate), 4WD (usor sau de viteza <100 km/h), 4L (greu <40 km/h) Spre exemplu, pe un teren noroios/mlastinos (pe camp) sau pe zapada de ~20 cm este indicat sa folosesc raportul 4WD mai turat (spre 3000 -3500 rpm) sau sa folosesc 4L mai putin turat? Utilizarea continua si indelungata pe parcursul a cateva ore a raportului 4L poate dauna transmisiei? Acest raport se foloseste DOAR pentru a depasi obstacolul DUPA care OBLIGATORIU se trece pe 4WD sau 4L poate fi folosit oricat, cu conditia de a nu se depasi viteza max de 40 km/h? Uneori, pe teren foarte greu, pentru a nu risca pierderea aderentei schimband din treapta 1 in treapta 2 in modul 4L, mi-e mai usor sa pornesc de pe loc in viteza 2. Este corect? -------------------- Toyota Prius
Subaru Legacy 2016 Subaru Outback 2015 |
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Feb 13 2011, 09:16 PM
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ZEUS Group: Membri Posts: 5.581 Joined: 9-March 06 From: Bucuresti Member No.: 70.400 |
So lets go back to our hapless driver stuck with one wheel on the ice and another on the road. With a limited-slip differential, because of the spring- and clutch-packs, even though one wheel is on the ice, the differential is going to attempt to spin both drive pinions at the same speed. With low engine revs and steady throttle control, the wheel on the road will get enough spin to move the vehicle forwards. If the engine is revved hard though, it can still generate sufficient torque to overcome the clutch pack and once again, only the wheel on the ice will spin. To get around this, it's a good idea to try to pull away in second gear - that gives the limited-slip differential a chance to do its job. The render here shows the generic open differential from above modified to be a limited-slip differential. deci a 2-a e de vina Mareane ....
am LSD pe spate la Hilux, dar se pare ca merge ceva mai bine . si io stiam ca asa functioneaza LSD ul - Cand o roata pierde aderenta puterea este transmisa in egala masura la ambele roti motoare. adica e un fel de blocant ad-hoc... -------------------- daca as fi cel mai sarac om mi-as lua Skoda sau VW . asa imi permit cel putin un Logan.
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