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Old 27.6.2009   #12
Woyta
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Join Date: 17.5.2005
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U vojaku nejde o rezonanci frekvenci ale spis o dynamicke razove zatizeni. Stejnej problem mas s nakladakama. Dejme tomu ze souprava vazi 20t. A je vicemene rovnomerne rozlozena na vice naprav. To je staticke zatizeni. Jenze silnice nejsou idealne rovne takze souprava si muze na nejakem hrbolu lehce povyskocit , takze dosedne s urcitym gravitacnim zrchlenim. Diky tomu pusobi razem na silnici vetsi sily nez jen onech statickych 20t. Proto jsou na silnice vyjete koleje od nakladaku. Pretizenej nakladak napacha o dost vetsi skodu. Proto se ted hodne uvazuje, zda povolit ci nepovolit evropskou obdobu road trainu.

Dneska je vypocet rezonancni frekvence o neco jednodusi nez driv. Ale i tak se pocitace slusne zapoti. Pokud to jde vse se jeste overuje na shakeru. Obcas je sranda vyrobit uchyceni dilu ktere ma vyssi rezonancni frekvenci nez samotny dil aby to neovlivnilo mereni.
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