TY JOUR TI Analysis of the flat rafting units assemblies acceleration KW flat rafting units KW unsteadiness coefficient KW velocity ,acceleration KW dimensionless velocityrope joint device KW tackle lock KW hook JO Actual directions of scientific researches of the XXI century: theory and practice AU Shtaborov, D.. AU Perfilev, P.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov