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I bought a HK-500 helicopter kit. I can not find Ball Links to attach to the servo arms. They measure about 4.7mm in diameter. Does anyone know where I can get these?
They - at least four of them (mine had 7!) - should be in the kit. If not, here is your best bet, as HK have virtually zero spares for the helis they sell
@William Powers Ball Links can be found on the HobbyKing WEB site under Workbench / Accessories / Control Horn & Linkages