This Hirobo tail pitch plate boss is an aftermarket replacement for the Eagle Freya parts suite that repositions the pitch plate by 2.5mm. The lateral offset provides a practical way to correct pushrod alignment without modifying the main tail structure.
Operationally, the boss helps eliminate end-point binding and can change how servo inputs translate into tail rotor pitch. After fitting, confirm smooth servo travel and that the tail settles to neutral as expected.
Fitting notes: mount the boss at the existing pitch plate interface, check for interference with the tail boom and rotor controls prior to final torque, and prefer original fasteners where feasible. Avoid excessive torque which can deform the plate, and verify full pitch sweep with the rotor secured.
Tuning benefit: using a 2.5mm offset is an effective mechanical option when servo throw limits or control horn placement restrict simple electronic adjustments.
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