Hirobo HI0412103 rotor head blade holder for SCEADU FZ-3 rotor assembly  [HI0412103]

Rotor head blade holder overview

This HIROBO HI0412103 rotor head blade holder is an RC-scale replacement part designed for SCEADU FZ-3 rotor assemblies. It functions as the blade clamp interface that secures main rotor blades to the rotor head, and is intended for hobbyist maintenance, part replacement, and basic tuning of rotor alignment and balance.

Installation notes: inspect mating surfaces on the rotor head and blade root before fitting, confirm symmetry across both blade holders during assembly, and tighten fasteners incrementally while checking blade pitch and freeplay. This component is described as a direct replacement-style part for the specified SCEADU FZ-3 models, and should be treated as an RC helicopter spare part during maintenance.

Tuning role: the blade holder helps maintain consistent blade seating and contributes to predictable rotor tracking and vibration behaviour when used in coordinated setup and balancing procedures. Regular inspection during pre-flight checks helps identify wear that could affect flight trim.