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> Viteza de pe bord vs viteza reala
florin83
post Mar 3 2006, 09:39 AM
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stiu ca toate masinile au o eroare, dar mie cu cresterea vitezei imi creste si eroarea. e normal?
de ex la 100 am real 94-95, la 150 am 139, la 230 am 214.
am fost ieri cu iulika pe autostrada si am constatat cu stupoare ca eroarea ramane exact la fel. la 60 pe bord are 55-56 real la 200 si putin (~203) are 199...
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Iulika0069
post Mar 3 2006, 09:46 AM
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La tine cred ca se intampla asta din cauza ca ai rotile mai mici decat cele stock, astfel ca tu practic trebe sa insumezi 2 abateri:
- una "normala" de 4-6km/h
- una proportionala cu viteza, data de diferenta dintre roti, exprimata in procente (huh, vorbesc prostii? biggrin.gif)


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florin83
post Mar 3 2006, 09:49 AM
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am 205/50/15 fata de 195/65/14 cat e la carte smile.gif
sunt mai mici cu 3.8%
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Iulika0069
post Mar 3 2006, 10:17 AM
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Pai inseamna ca asta e, ai 9km/h din diferenta dintre roti, si inca vreo 6-7 "standard" biggrin.gif
Pune gume de 205/60R15 (+2.96% fata de stock) sau macar 205/55 R15, daca nu vrei sa pierzi asa mult din demaraj (-0.33% fata de stock)
Sau 205/50 R16 (+0.33 fata de stock)... ma rog, te descurci tu ca esti baiat mare

Io o sa pun 235/45 R17 (+2.55 fata de 205/60 R15 cat sunt stock) sau in cel mai rau caz 225/45 R17 (+1.12% fata de stock)
In felul asta o sa am o abatere si mai mica, dupa 230 chiar o sa arate mai putin! biggrin.gif


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florin83
post Mar 3 2006, 10:21 AM
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QUOTE (Iulika0069)
Pune gume de 205/60R15 (+2.96% fata de stock) sau macar 205/55 R15, daca nu vrei sa pierzi asa mult din demaraj (-0.33% fata de stock)
Sau 205/50 R16 (+0.33 fata de stock)... ma rog, te descurci tu ca esti baiat mare


sa treci tu de la talon mic la talon mare.. biggrin.gif
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