This Hirobo component is an RC-scale tail pitch lever collar designed for the tail linkage of Eagle Freya helicopters. It provides a locating and retention point on the pitch lever to help maintain correct alignment in the tail control linkage during setup and servicing.
Fitting on compatible tail linkages is simple: place the collar on the lever shaft at the desired pitch position, fasten it with the lever's set screw or retention method, and then check the linkage for free movement across its travel. Correct any lateral play at the lever interface prior to flight checks.
During tuning the collar acts as a convenient stop and reference for repeatable pitch changes, useful when fine-tuning tail response or renewing worn linkage components. Inspect the mating faces regularly and replace the collar if the fit loosens to ensure dependable tail performance.
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