{"product_id":"gemfan-vortex-8x9-fixed-wing-propellers-2-pack","title":"Gemfan Vortex 8x9 Fixed-Wing Propellers | 2-Pack CW or CCW","description":"\u003ch2\u003e8x9 Electric Props for Fixed-Wing Builds\u003c\/h2\u003e\u003cp\u003eGemfan Vortex 8X9E and 8X9R propellers feature an 8-inch diameter, 9-inch pitch and two-blade design in glass-fiber nylon. Choose a two-pack of the listed CW or CCW version to match your aircraft's motor rotation and installation requirements.\u003c\/p\u003e\u003cp\u003eWhen preparing your next fixed-wing build or replacing worn props, check the shaft fit and hub clearance first, then select the required rotation. Each option contains two props of the selected direction, not a mixed counter-rotating pair.\u003c\/p\u003e\u003ch3\u003eChoose Your Rotation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2PCS 8X9E CW:\u003c\/strong\u003e Two 8X9E propellers, labeled clockwise in the listing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2PCS 8X9R CCW:\u003c\/strong\u003e Two 8X9R propellers, labeled counterclockwise in the listing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm the manufacturer's rotation-viewing convention and the propeller markings before fitting. E\/R labels alone do not establish correct installation for every tractor or pusher arrangement.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-inch diameter and 9-inch pitch:\u003c\/strong\u003e For a power system specifically matched to this propeller load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-blade construction:\u003c\/strong\u003e Intended for electric fixed-wing aircraft applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass-fiber nylon:\u003c\/strong\u003e Listed material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate rotation options:\u003c\/strong\u003e Select CW or CCW as required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-pack:\u003c\/strong\u003e Two individual propellers per selected option.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Gemfan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Vortex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e 8X9E \/ 8X9R.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 8 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePitch:\u003c\/strong\u003e 9 inches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlade count:\u003c\/strong\u003e Two per propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Glass-fiber nylon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub diameter:\u003c\/strong\u003e Listed 19mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub thickness:\u003c\/strong\u003e Listed 12.3mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter hole:\u003c\/strong\u003e Listed 6.35mm \/ 0.25 inch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Listed 17.05g per propeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaged weight:\u003c\/strong\u003e Listed 40.57g; packaging and contents may affect actual weight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShaft and Adapter Compatibility\u003c\/h3\u003e\u003cp\u003eThe source lists six adapter-ring sizes: 3, 3.17, 4, 5, 6 and 8mm. The listed 8mm adapter conflicts with the stated 6.35mm center bore, so do not assume 8mm shaft compatibility or that all listed rings fit this propeller. Confirm the actual bore, included adapters and motor shaft before purchase. Do not enlarge the bore or force an incompatible adapter based on this listing.\u003c\/p\u003e\u003cp\u003eCheck the 19mm hub diameter, 12.3mm hub thickness, shaft length, retaining hardware and airframe clearance. Motor, ESC and battery suitability must be verified for the 8x9 load; an 8-inch diameter alone does not establish compatibility.\u003c\/p\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cp\u003eExperienced RC pilots selecting replacement or spare electric propellers for a compatible fixed-wing power system, including correctly configured counter-rotating installations using separately selected directions.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2 × Gemfan Vortex propellers in the selected 8X9E CW or 8X9R CCW version.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eAdapter rings are described in the source, but the size conflict above requires confirmation of the actual supplied set. Motors, aircraft, battery and mounting hardware are not listed as included. Any “No plug” option text is unrelated to the mechanical propeller fit and does not specify an electrical connection.\u003c\/p\u003e\u003ch3\u003eInstallation and Safety\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDisconnect the flight battery before installing or removing propellers.\u003c\/li\u003e\n\u003cli\u003eRemove propellers during powered bench configuration and motor tests.\u003c\/li\u003e\n\u003cli\u003eCheck rotation, blade orientation, balance and clearance before operation.\u003c\/li\u003e\n\u003cli\u003eInspect blades and hubs for damage; replace cracked, distorted or worn props.\u003c\/li\u003e\n\u003cli\u003eUse compatible retaining hardware and follow the motor manufacturer's tightening instructions.\u003c\/li\u003e\n\u003cli\u003eVerify the manufacturer's RPM limits and monitor power-system current and temperature. No maximum RPM is established in this listing.\u003c\/li\u003e\n\u003cli\u003eKeep people and loose objects clear of the propeller arc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor rotation, adapter or fitment questions, contact sales@buyrcdroneoutlet.com.\u003c\/p\u003e","brand":"Gemfan","offers":[{"title":"2PCS 8X9E CW","offer_id":63478533423244,"sku":"1005013451861542-2PCS 8X9E CW-No plug","price":5.0,"currency_code":"USD","in_stock":true},{"title":"2PCS 8X9R CCW","offer_id":63478533456012,"sku":"1005013451861542-2PCS 8X9R CCW-No plug","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/2019\/2652\/files\/S0e34f81457c04c939a461e700b657fbbN.webp?v=1792974404","url":"https:\/\/buyrcdroneoutlet.com\/products\/gemfan-vortex-8x9-fixed-wing-propellers-2-pack","provider":"TheDroneFlight","version":"1.0","type":"link"}