{"product_id":"wltoys-k170-main-shaft-set-central-drive-assembly-for-uh-60l-black-hawk","title":"WLtoys K170 Main Shaft Set - Central Drive Assembly for UH-60L Black Hawk","description":"\u003ch1\u003eWLtoys K170 Main Shaft Set - Central Drive Assembly for UH-60L Black Hawk\u003c\/h1\u003e\n\u003chr\u003e\n\u003ch2\u003eThe Core of Flight Stability and Smooth Transmission\u003c\/h2\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe main shaft is the backbone of your helicopter's drivetrain; even a microscopic bend can cause the \"Toilet Bowl Effect\" (TBE) and premature gear wear. This\u003cstrong\u003e WLtoys K170\u003c\/strong\u003e Main Shaft set solves the problem of drivetrain vibration and erratic hovering. Replacing a stressed shaft restores the vertical alignment of the rotor head, ensuring your flight controller's gyro can stabilize the aircraft with surgical precision. \u003cstrong\u003eShips worldwide.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2 data-path-to-node=\"8\"\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cb data-path-to-node=\"18,0,0\" data-index-in-node=\"0\"\u003eHigh-Rigidity Steel:\u003c\/b\u003e Engineered to maintain perfect verticality even under the high torque of brushless maneuvers and heavy scale payloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cb data-path-to-node=\"18,1,0\" data-index-in-node=\"0\"\u003ePre-Drilled Precision:\u003c\/b\u003e Features factory-aligned holes for the locking collar and main gear pin, ensuring perfect mechanical timing and fit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,2,0\"\u003e\u003cb data-path-to-node=\"18,2,0\" data-index-in-node=\"0\"\u003eLow-Friction Surface:\u003c\/b\u003e Polished finish reduces drag within the main frame bearings, leading to cooler motor temperatures and longer battery life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,3,0\"\u003e\u003cb data-path-to-node=\"18,3,0\" data-index-in-node=\"0\"\u003eAnti-Warping Design:\u003c\/b\u003e Specifically heat-treated to resist the bending forces often encountered during hard landings or tip-overs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003eFor the \u003cstrong\u003eWLtoys K170 UH-60L \u003c\/strong\u003e\u003cstrong\u003e4CH \u003c\/strong\u003e\u003cstrong\u003eBrushless RC Helicopter\u003c\/strong\u003e only.\u003cbr\u003eFull model page (specs \u0026amp; photos):\u003cbr\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/en-us\/products\/wltoys-k170-uh-60l-2-4ghz-4ch-brushless-military-rc-helicopter-rtf-6-axis-gyro?_pos=1\u0026amp;_sid=bb840c80f\u0026amp;_ss=r\"\u003ehttps:\/\/www.kidstoylover.com\/en-us\/products\/wltoys-k170-uh-60l-2-4ghz-4ch-brushless-military-rc-helicopter\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Central Main Shaft Set\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 data-path-to-node=\"20,0,0\"\u003e\u003cb data-path-to-node=\"20,0,0\" data-index-in-node=\"0\"\u003eCollar Adjustment:\u003c\/b\u003e Ensure the locking collar is tightened so there is no vertical \"play\" (up and down movement) in the shaft, while still allowing it to spin freely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,1,0\"\u003e\u003cb data-path-to-node=\"20,1,0\" data-index-in-node=\"0\"\u003eGear Alignment:\u003c\/b\u003e Line up the bottom hole with the main gear hub perfectly before inserting the pin to avoid stripping the plastic gear housing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"20,2,0\"\u003e\u003cb data-path-to-node=\"20,2,0\" data-index-in-node=\"0\"\u003eBearing Test:\u003c\/b\u003e Slide the shaft through the frame bearings; if you feel any resistance or \"grittiness,\" it’s time to clean or replace the bearings as well.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eSupport \u0026amp; Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExpert help to choose the right\u003cstrong\u003e WLtoys K170 spare parts\u003c\/strong\u003e\n\u003c\/li\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\n\u003chr\u003e\n\u003ch2\u003eOther Related Parts\u003c\/h2\u003e\n\u003cp data-path-to-node=\"18\"\u003eNeed gears, shafts, servos, LEDs, batteries and more? Browse the full\u003cstrong\u003e WLtoys K170 spare parts\u003c\/strong\u003e collection:\u003cbr\u003e\u003ca href=\"https:\/\/www.kidstoylover.com\/collections\/wltoys-k170-rc-helicopter-spare-parts-accessories\"\u003ehttps:\/\/www.kidstoylover.com\/collections\/wltoys-k170-rc-helicopter-spare-parts-accessories\u003c\/a\u003e\u003c\/p\u003e","brand":"Kidstoylover","offers":[{"title":"Default Title","offer_id":42891335991363,"sku":"wltoysk170ss","price":13.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/8313\/1203\/files\/mhyhelper.jpg?v=1768641736","url":"https:\/\/www.kidstoylover.com\/pt-nz\/products\/wltoys-k170-main-shaft-set-central-drive-assembly-for-uh-60l-black-hawk","provider":"Kidstoylover","version":"1.0","type":"link"}