Light helicopter rotor

摘要

A light helicopter propeller crane consisting of a shovel, a head and a sand anchored on the propelling shaft, where between the layers of the propelling structure of each shovel there is a propelling crane characterised by this, that the outer layer (1) of the support structure of the shovel (2) is covered by a bonding made of a conductive polymer (3),and the outer rim of the shovel (2) has a double-edged loading edge, with the shovel (2) equipped with profiles modifying the flow of the shovel (2).