Model air-worthy helicopter with drive mechanism

摘要

The rear of the machine has a horizontal tail unit (3) fixed to a (2) rudder unit, and rear rotor. The units are adjustable. The horizontal tail unit and the rear rotor are positioned on the back end of the rear on opposite sides. The rudder unit has flat openings (5) and is attached by elongated holes (6) and screws (7). The horizontal rail and rudder units are assembled by means of at least one slit (8) penetrating the surface of one of them and stuck together.