%0 Journal Article %T TECHNOLOGY OF MANUFACTURING AND ASSEMBLAGE OF TRANSPORT MACHINERY HELICAL PROPELLERS %A Serga, G.V. %A Hvostik, E.A. %K helical propeller, multistart helical curved surfaces, helical grooves, fabrication method %J Bulletin of Bryansk state technical university %D 2019 %N 2019 %P 7 %I Bryansk State Technical University