Tu masz coś na ten temat, choś trudno cokolwiek zrozumieć
http://translate.google.com/translate?hl=pl&sl=cs&u=http://www.paladix.cz/clanek.php%3Faid%3D11302%26did%3D12961&ei=KIdtSsSy HZyemwO8-6GLDg&sa=X&oi=translate&resnum=2&ct=result&prev=/search%3Fq%3Dmechanika%2BT235%26hl%3Dpl%26lr%3D%26 client%3Dfirefox-a%26rls%3Dorg.mozillalfficial%26hs%3Dsti%26sa%3DG