The Hirobo HI0414533 SSZ-IV mixing arm is an RC-scale replacement part suitable for Eagle Freya series helicopters. It operates within the rotor mixing linkage to transfer motion between control rods and the mixing mechanism while retaining the SSZ-IV identifier.
Installation should be undertaken by those comfortable with helicopter maintenance: remove the old arm, align the new SSZ-IV with the original attachment points, and secure using the existing hardware. Check that the arm moves freely through collective and cyclic ranges and confirm part identity before flight.
As part of the mechanical mixing chain, this arm helps determine how swashplate inputs translate to tail and cyclic responses. Small discrepancies in arm length or mounting position will affect handling, so re-check trims and endpoints and carry out conservative hover trials after fitting.
Provided as a like-for-like SSZ-IV replacement for Eagle Freya rotorcraft, intended for routine maintenance and tuning where original part numbering is desired.
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