FIELD: vertical take-off flying vehicles. SUBSTANCE: method is used for helicopter having fuselage, main rotor with blades and rotation mechanism. Transfer of thrust by blades of helicopter main rotor is effect through engagement and interaction of mechanism secured on blades of main rotor with mechanism secured on fuselage which ensure rotation of blades; mechanisms secured on blades are at some distance from rotation mechanism and mechanisms secured on fuselage embrace it over perimeter. EFFECT: increased cargo capacity of helicopter. 1 dwg
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