HUBLESS, HINGELESS AND BEARINGLESS HELICOPTER ROTOR SYSTEM

摘要

ABSTRACT OF THE DISCLOSUREA helicopter rotor system in which a plurality of rotor bladesare attached to the rotor mast. Each blade has a spar formed of fibersbundled and bonded together inside a skin. These fibers are divided intotwo bundles, each of which has a bight with a bend and two arms that doubleback into the spar. The bights are joined to the mast by spaced-apartattachments. The attachments may be plate-like, and can be shaped to pro-vide initial coning and camber angles.