%0 Journal Article %T Estimation method of technical state of propeller shafts %A Khlybov Alexander Anatolevich %A Kolyvanov Vladimir Viktorovich %J Vestnik of Astrakhan State Technical University. Series: Marine Engineering and Technologies %D 2010 %I Astrakhan State Technical University %X Reasons of destroying of propeller shafts of river vessels are investigated in the paper. The results of the research are given. A possibility to use elastic waves for technical state estimation of propeller shafts is shown. %K propeller shaft (shafting) %K elastic waves %K mechanical strain. %U http://astu.org/content/userimages/file/sea_1_2010/29.pdf