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Old 24-05-09, 09:09   #46
Claudiumxg

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Default Re: intrebari si sfaturi

bine ca sa rezolvat, da tot va tre sa il sch ca se va bloca iar
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Old 24-05-09, 16:12   #47
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Default Re: intrebari si sfaturi

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Originally Posted by Keisuke View Post
e in 4 timpi wenkelul, nu?


motorul wankel nu poti spune nici ca este in 4 timpi dar nici in 2

diferenta e ca la o rotatie , motorul face intreg ciclul ( adm , compr, apr&detenta, evacuare) pe cind la un motor cu pistoane in 4 timpi , ciclum motor se face la 4 curse a pistonului

functionarea e asemanatoare si cu motoarele in 2 timpi , faptul ca nu are supape , admisia si evacuare se fac prim miscarea pistonului / rotorului.... se poate interpreta
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Old 24-05-09, 16:23   #48
Claudiumxg

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4 timpi inseamna ca fiecare timp e separat , din cauza existentei supapelor de admisie si evacuare si fiecare piston la un 4 in linie trece prin acest ciclu tot la 2 ture (la prima tura ai admisie, compresie la a doua ai detenta si evacuare -din ciclu Carnot).
La wankel admisia si compresia nu sunt faze separate, la fel si detenta si evacuare pt ca nu ai supape si nici pistoane ci un troncoid.
While a four-stroke piston engine makes one combustion stroke per cylinder for every two rotations of the crankshaft (that is, one half power stroke per crankshaft rotation per cylinder), each combustion chamber in the Wankel generates one combustion stroke per each driveshaft rotation, i.e. one power stroke per rotor orbital revolution and three power strokes per rotor rotation. Thus, power output of a Wankel engine is generally higher than that of a four-stroke piston engine of similar engine displacement in a similar state of tune; and higher than that of a four-stroke piston engine of similar physical dimensions and weight.
ii ca orice 2 timpi de scuter la care in aceeasi miscare ai admisie si compresie si duopa 180 grade rotatie vilbrochen ai detenta si evacuare, si se suprapune admisia cu evacuarea putin
faptul ca explozia are loc cand camera de ardere e complet izolata de fantele de admise te inseala sa crezi ca e 4 timpi dar si la un motor cu 2 timpi cu piston pe un anumit unghi de rotatie camera e inzolata complet

Last edited by Claudiumxg; 24-05-09 at 16:28.
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Old 05-08-09, 14:52   #49
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Default Re: intrebari si sfaturi

se poate pune aruncator de flacari la masini cu catalizator ?
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Old 06-08-09, 15:53   #50
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teoretic, se poate... daca alegi modelele care folosesc benzina, si nu cele care aprind gazele, cu siguranta... dar nu stiu daca e legal... iar la cele cu benzina e vb si de o "cofetareala" p-acolo... good luck anyways!
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Old 06-08-09, 21:24   #51
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Default Re: intrebari si sfaturi

se pare ca trebuie sa ai evacuare fara catalizator si daca masina e noua si calculatorul ii taie injectia iara nu merge
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Old 06-08-09, 22:26   #52
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nu are legatura cu injectia si kat-u,sistemul are circut separat de benzina si aprindere, dar in afara de faptul ca risti un incendiu alceva nu obtii, sau folosesti NO2 care da flacara albastra , si iar risti sa te aprinzi...
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Old 10-08-09, 10:55   #53
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Default Re: intrebari si sfaturi

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se poate pune aruncator de flacari la masini cu catalizator ?
Mai iar te tzi de prostii?
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Old 10-08-09, 12:56   #54
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intrebam doar ))
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Old 12-08-09, 09:06   #55
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Originally Posted by Claudiumxg View Post
nu are legatura cu injectia si kat-u,sistemul are circut separat de benzina si aprindere, dar in afara de faptul ca risti un incendiu alceva nu obtii, sau folosesti NO2 care da flacara albastra , si iar risti sa te aprinzi...
Din cate stiu eu, dioxidul de azot nu arde (NO2-ul), si nici fratiorul folosit in lumea auto, N2O-ul. Este f toxic si coroziv, dar in nici un caz inflamabil. (sursa: Wikipedia)
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Old 10-09-09, 17:18   #56
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Default Re: intrebari si sfaturi

am doua posibilitati:
mercedes-benz e50 amg an 97 inmatriculat anglia dar cu volan pe stanga
sau
bmw ///M3 e36 an 97 inmatriculat franta dar cu puntea spate stricata

ce ziceti?
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Old 10-09-09, 17:26   #57
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am doua posibilitati:
mercedes-benz e50 amg an 97 inmatriculat anglia dar cu volan pe stanga
sau
bmw ///M3 e36 an 97 inmatriculat franta dar cu puntea spate stricata

ce ziceti?
eu as lua BMW M3
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Old 10-09-09, 17:26   #58
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Default Re: intrebari si sfaturi

grea decizie ,impresionant si mercedesu la cat ii de mare bate suta in 5,4 sec,personal merg pe m3 acuma decizia finala ii a ta ,sa-si spuna si altii parerea
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Old 10-09-09, 17:36   #59
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Default Re: intrebari si sfaturi

masinile vin cu aproximativ acelasi pret
doar k in M sunt ceva banuti in plus de bagat
pana acum
bmw:2
mercedes:0
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Old 11-09-09, 11:45   #60
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Default Re: intrebari si sfaturi

Mercedes
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