The Hirobo HI0406003 pitch arm set serves as a sturdy RC replacement for parts catalogued under Eagle Freya helicopter components. It performs the mechanical duty of transferring servo motion into rotor head pitch changes in the collective pitch assembly.
Installation notes: inspect mating surfaces and fasteners, confirm servo neutral and linkage lengths before mounting, and ensure blades are centered at trim neutral. If any unexpected gap or misalignment occurs, consult your model parts list or vendor to confirm the correct fitment.
Tuning role: a solid, correctly fitted pitch arm reduces slop and preserves consistent pitch response. Even minor wear or altered geometry can change hover trim and cyclic feel, so verify behaviour during initial hover tests after fitting.
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