The Kyosho H6103 designation identifies this RC main rotor grip for Concept 60 class helicopters. It serves as a direct replacement where rotor heads adhere to Concept 60 geometry, restoring proper linkage engagement.
Manufactured as a single aluminium alloy component for the main rotor linkage, the grip's function is mechanical: it secures pitch control links to the rotor head and helps preserve cyclic and collective precision. Regular checks of the joint surfaces will help ensure stable head behavior.
Fitting is straightforward: remove the rotor head retaining hardware, swap in the replacement grip, tighten fasteners to the rotor head manufacturer's recommended torque, and then confirm pitch symmetry and absence of play before test flights. Replacing a worn grip can recover expected head stiffness and control response.
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