MAIN ROTOR BLADES OF HELICOPTERS MИ-8, MИ-8MT, MИ-17, MИ-17 AND THEIR MODIFICATIONS

摘要

FIELD: helicopter rotors. SUBSTANCE: rotor blades include spars, tail sections, blade butts and end fairings; blade chord at relative radii more than 0.5 increases approximately by 10 percent through fitting the plates on trailing edge of blade tail sections. EFFECT: enhanced reliability.