FIELD: mechanical engineering; shipbuilding. SUBSTANCE: shaft is formed by layers of different stiffness. Inner layer is made from material possessing higher stiffness as compared with outer layer. Fibres in inner layer are located at angle ± (0-10)° deg relative to generatrix and those in outer layer are located at angle ± (40-50)° deg relative to generatrix. Besides that magnitudes G1, G2, τ1 and τ2 are related by proposed dependence. EFFECT: enhanced reliability. 6 cl, 2 dwg
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