HIROBO HI0402011 Shuttle Root End for Helicopter Shuttle Linkage  [HI0402011]

The HIROBO HI0402011 shuttle root end is an RC shuttle linkage terminal designed for use in Hirobo helicopter shuttle assemblies. It acts as the joint that transmits cyclic inputs to the swashplate or rotor head assemblies in compatible Hirobo helicopters.

Fit this component when root ends exhibit wear that degrades handling. The guidance here emphasizes correct placement, orientation, and the part's effect during setup and tuning rather than hardware dimensions. For fitting, verify that the part mates with existing linkage points, examine mating fasteners and bearings for wear, and secure bolts to the manufacturer's recommended torque using suitable tools.

During trim procedures, confirm the shuttle moves freely with no binding at the root end across the full control range. Replacing a worn root end will often restore smooth linkage operation and support reliable cyclic adjustments as part of scheduled maintenance.