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Old 13.3.2008   #21
Vitr
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Quote:
Originally Posted by SilverFox View Post
Ja tu upravu moc nevyzdvihoval jen obhajil ze je to mozny

Jinak co se tyka pomeru vrtani x zdvih S ti mam spojeny jen pojem podctvercovy a tusim ze to udava charakteristiku motoru Ucitel to asi nejak osulil Pokud vis vic tak bych se rad priucil
Vim jen jak se meri velikost objemu spalovaciho prostoru a to za pomoci pipety s pistem v horni uvrati naplnis valec olejem vcetne prosotoru svicky a potom odectes tusim 1cm^3 na ten otvor svicky a mas objem spalovaciho prostoru
Zdvihovy objem je potom 0,75xD^2xS (cm^3), D=prumer valce, S=zdvih pistu
Kompresni pomer E=Vz/Vk+1 a optimalni hodnota je mezi 1:12 a 1:10 vic nevim a nenasel jsem
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Old 13.3.2008   #22
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co se tyce pomeru zdvih-vrtani, tak to meni charakteristiku motoru. Snad nebudu kecat kdyz reknu, ze kdyz je velkej zdvih a maly vrtani, tak ma motor velkej vykon ale horsi kroutak a obracene... Odtud taky pojem ctvercovy (stejnej zdvih jako objem, ale to uz nosim drivi do lesa.. )
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Old 14.3.2008   #23
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Quote:
Originally Posted by Muzzy View Post
co se tyce pomeru zdvih-vrtani, tak to meni charakteristiku motoru. Snad nebudu kecat kdyz reknu, ze kdyz je velkej zdvih a maly vrtani, tak ma motor velkej vykon ale horsi kroutak a obracene... Odtud taky pojem ctvercovy (stejnej zdvih jako objem, ale to uz nosim drivi do lesa.. )
Je to opacne...
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Old 14.3.2008   #24
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JJ Viz paka ze zakladni skoly.
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