{"product_id":"cnc-metal-main-rotor-head-hub-grips-set-for-rc-era-c170-apache-helicopter","title":"CNC Metal Main Rotor Head Hub Grips Set for RC ERA C170 Apache Helicopter","description":"\u003ch1\u003eCNC Metal Main Rotor Head Hub Grips Set for RC ERA C170 Apache Helicopter\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eEliminate Rotor Grip Wobble, Fix 3D Aero-Straining Flex, and Lock In High-G Aerobatic Tracking Geometry\u003c\/h2\u003e\n\u003cp\u003eThe main rotor head is the central anchor point of your helicopter’s flight dynamics, bearing the intense centrifugal forces generated by the spinning main blades. In 3D stunt mode, executing sharp inversions, loops, and sudden pitch pumps puts massive torsional stress on the rotor head's structural linkages. Over time, plastic or fatigued factory heads develop micro-flex and spindle bore play, which instantly leads to blade tracking splits, severe airframe shudder, and unstable hovering. For the 1:48 scale RC ERA C170 Longbow Apache, tracking slop degrades the precise cyclic execution required for stunt maneuvers. Upgrading to this factory-engineered high-rigidity CNC metal rotor head assembly completely removes control play, handles intense structural loading during negative-pitch stunts, and restores smooth flight tracking planes.  \u003cstrong\u003eShips worldwide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePremium Machined Heavy-Duty CNC Aluminum:\u003c\/b\u003e Precision-sculpted from high-tensile metal alloy to provide maximum rigid strength, ensuring zero structural distortion during high-load 3D stunt aerobatics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIntegrated Quad-Spindle Rotor Geometry:\u003c\/b\u003e Features perfectly balanced, solid cross-axial spindle shafts engineered to interlock all four main rotor blade grips into a uniform aerodynamic plane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHardened Steel Collar Bushing Rings:\u003c\/b\u003e Packed with four specialized low-friction metal insert bushings designed to slide over the spindle arms, isolating the rotating grips from lateral friction wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Pitch Structural Clamping Bolt:\u003c\/b\u003e Includes a precision-threaded long metal locking screw that runs directly through the main shaft sleeve base to completely secure the head assembly against vertical play.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFor the \u003cstrong\u003eRC ERA C170 1:48 Scale Longbow Apache RC Helicopter\u003c\/strong\u003e only.\u003cbr\u003eFull model page (specs \u0026amp; photos):\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/rc-era-c184-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/rc-era-c184-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x RC ERA C170 Rotor Head\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInstall Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eExtracting the Worn Head Core:\u003c\/b\u003e Unsnap the four steering pitch linkage rods from the swashplate ring; back out the main cross-pin locking screw at the top of the axle, and slide the old rotor head vertically off the steel main shaft.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAligning the Metal Insert Bushing Rings:\u003c\/b\u003e Slide the four polished metal collar rings onto the four horizontal cross-spindle axles of your new rotor head, making sure they sit completely flush against the inner shoulders before sliding your blade grips over them.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSeating and Fastening the Main Shaft Adapter:\u003c\/b\u003e Slide the lower stem sleeve of the new silver metal rotor head straight down onto the top tip of your steel main shaft axle; align the cross-drilled mounting channels perfectly with the shaft indexing hole.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTorquing the Retention Screw and Pre-Flight Spin Test:\u003c\/b\u003e Insert the included long retention screw into the cross-lock channel and tighten securely until snug, taking care not to over-torque; reattach your cyclic linkages and spin the four blades by hand to verify that the entire tracking hub assembly rotates with silky-smooth precision before launching into 3D stunt flights.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSpare Parts \u0026amp; Accessories\u003c\/h2\u003e\n\u003cp\u003eFind remote control，battery，USB，carcase clips，screwdriversand more in the dedicated parts collection\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/rc-era-c170-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/rc-era-c170-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSupport \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-month warranty\u003c\/strong\u003e on manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eShips worldwide\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kidstoylover","offers":[{"title":"Default Title","offer_id":43444460748867,"sku":null,"price":86.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/8313\/1203\/files\/3helper.jpg?v=1782188887","url":"https:\/\/www.kidstoylover.com\/tr-ae\/products\/cnc-metal-main-rotor-head-hub-grips-set-for-rc-era-c170-apache-helicopter","provider":"Kidstoylover","version":"1.0","type":"link"}