This Hirobo HI0402730 collect pitch arm is supplied as a replacement component for the Shuttle RG lineup, identified as the left-side collect pitch linkage fabricated from carbon. It connects directly into the collective mechanism and is intended for hobby-scale Shuttle RG helicopter assemblies.
The carbon material gives a firm linkage that resists flex better than typical plastic arms, helping to preserve alignment under load. The item is designed to work with existing Shuttle RG linkage hardware and standard servos; check that your model’s linkage spacing and ball-end fittings match before installing.
Installation guidance: remove the original left collect pitch arm following your model's service instructions, position the HI0402730 so it aligns with the bellcrank and servo linkage, and secure using the original fasteners. Use thread lock where recommended and confirm center and travel points before attempting normal flight. Regularly examine the arm for any signs of delamination or surface damage.
Service impact: swapping to this carbon collect pitch arm can reduce mechanical play and aid in maintaining consistent collective inputs during tuning. After installation, re-validate trim points and hover performance to ensure the collective behaves predictably.
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