Monotonous Benign Ciro bo 105 rotor head click Majestic island
Survols (Aeronautics and Space) on Twitter: "@3pointedit @Nick_Stevens_Gr They are called "pendulum vibration absorbers" and serve to reduce vibration in the rotor system. Found on later model BO 105s and some other
105-141081 Main Rotor Head - AeroXS
BO105 helicopter specifications
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