{"product_id":"falcon-21-5x13-carbon-fiber-electric-propelle","title":"Falcon 21.5x13 Carbon Fiber Electric Propeller | F3A Pattern RC Aircraft","description":"\u003cdiv class=\"product-description\"\u003e\n  \u003ch2\u003eFalcon 21.5x13 Carbon Fiber Electric Propeller for RC Airplanes\u003c\/h2\u003e\n\n  \u003cp\u003eThe \u003cstrong\u003eFalcon 21.5x13 Carbon Fiber Electric Propeller\u003c\/strong\u003e is built for \n  electric RC pilots who demand precision, efficiency, and consistent performance. \n  Crafted from high-quality carbon fiber, this propeller delivers excellent rigidity, \n  reduced vibration, and superior durability compared to wood alternatives — making it \n  a top choice for F3A, pattern, aerobatic, and giant-scale electric aircraft.\u003c\/p\u003e\n\n  \u003cp\u003eFalcon carbon fiber electric propellers are recognized as one of the best-selling \n  and most trusted brands in the RC propeller market. Known for their consistent \n  manufacturing quality, factory inspection, and pre-balanced construction, Falcon CF \n  props are a proven upgrade for serious electric RC pilots.\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 21.5x13\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon fiber construction\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Type:\u003c\/strong\u003e Electric RC aircraft\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFactory pre-balanced:\u003c\/strong\u003e Ready to fly right out of the package\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndividually inspected:\u003c\/strong\u003e Leading edges and epoxy verified at the factory\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSolid hub design:\u003c\/strong\u003e Can be drilled for multi-bolt hub setups\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIncludes propeller covers:\u003c\/strong\u003e Protective covers included for storage and transport\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIdeal use:\u003c\/strong\u003e F3A, pattern flying, aerobatics, and giant-scale electric airplanes\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFalcon Propellers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003ePropeller Size\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e21.5x13\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e21.5 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003ePitch\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e13 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCarbon Fiber\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003ePower System\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eElectric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eBalance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFactory pre-balanced\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePropeller covers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eF3A, pattern RC, aerobatic aircraft, giant-scale electric models\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eRecommended Use\u003c\/h3\u003e\n  \u003cp\u003eThe Falcon 21.5x13 carbon fiber electric propeller is best suited for large electric \n  RC airplanes that need a high-pitch, large-diameter prop for speed, vertical \n  performance, and aggressive aerobatic capability. This size is commonly used in F3A \n  and pattern competition aircraft, as well as giant-scale electric setups where \n  efficient high-speed airflow and precise throttle response are critical.\u003c\/p\u003e\n\n  \u003cdiv style=\"background:#f5fff5; border:1px solid #2f7d32; padding:14px; margin:18px 0;\"\u003e\n    \u003cstrong\u003eGator RC Tip:\u003c\/strong\u003e Always confirm the recommended propeller size for your \n    motor, ESC, battery, and airframe before flying. After installing a new propeller, \n    check current draw with a watt meter to ensure your power system is operating within \n    safe limits. A 21.5x13 is a high-pitch, large-diameter prop — verify your motor KV \n    and ESC rating are appropriate for this load.\n  \u003c\/div\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eWhy Choose a Falcon Carbon Fiber Electric Propeller?\u003c\/h3\u003e\n  \u003cp\u003eFalcon carbon fiber propellers are a top choice for competitive and performance-minded \n  RC pilots who want the best combination of stiffness, balance, and durability. Carbon \n  fiber offers significantly greater rigidity than wood or nylon composite props, reducing \n  flex under load and delivering more consistent thrust at high RPM.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003eSuperior rigidity reduces blade flex and vibration under load\u003c\/li\u003e\n    \u003cli\u003eFactory inspection ensures correct leading edge shape and bubble-free epoxy\u003c\/li\u003e\n    \u003cli\u003ePre-balanced from the factory for immediate use\u003c\/li\u003e\n    \u003cli\u003eSolid hub can be drilled to fit multi-bolt prop hubs\u003c\/li\u003e\n    \u003cli\u003eOne of the quietest carbon fiber propellers available in this size range\u003c\/li\u003e\n    \u003cli\u003eTrusted by F3A and pattern pilots worldwide\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eImportant Setup Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify propeller balance before each flying session, even on factory-balanced props.\u003c\/li\u003e\n    \u003cli\u003eInspect the propeller for cracks, chips, or shipping damage before installation.\u003c\/li\u003e\n    \u003cli\u003eConfirm adequate motor clearance and ground clearance for your airframe.\u003c\/li\u003e\n    \u003cli\u003eUse the correct prop washer, prop nut, and spinner\/backplate for your aircraft.\u003c\/li\u003e\n    \u003cli\u003eCheck amp draw with a watt meter after installing to protect your motor and ESC.\u003c\/li\u003e\n    \u003cli\u003eNever stand in line with the propeller arc during motor testing or run-up.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n  \u003ch4\u003eIs this propeller for electric or gas RC airplanes?\u003c\/h4\u003e\n  \u003cp\u003eThis listing is for the \u003cstrong\u003eelectric\u003c\/strong\u003e version of the Falcon 21.5x13 carbon \n  fiber propeller. It is designed specifically for electric RC airplane power systems.\u003c\/p\u003e\n\n  \u003ch4\u003eCan I use this on a gas or glow engine?\u003c\/h4\u003e\n  \u003cp\u003eThis propeller is intended for electric applications only. For gas or glow engines, \n  use a Falcon gas carbon fiber or gas wood propeller in the correct size for your engine \n  displacement and aircraft.\u003c\/p\u003e\n\n  \u003ch4\u003eIs the Falcon 21.5x13 carbon fiber propeller pre-balanced?\u003c\/h4\u003e\n  \u003cp\u003eYes. Falcon carbon fiber propellers are factory pre-balanced and individually \n  inspected before shipping. However, it is always good practice to verify balance \n  yourself before each use.\u003c\/p\u003e\n\n  \u003ch4\u003eWhat type of aircraft is this propeller good for?\u003c\/h4\u003e\n  \u003cp\u003eThe 21.5x13 size is commonly used on large electric RC airplanes competing in F3A \n  and pattern events, as well as giant-scale aerobatic and sport aircraft that require \n  a large-diameter, high-pitch propeller for strong vertical and speed performance.\u003c\/p\u003e\n\n  \u003ch4\u003eDoes this propeller include covers?\u003c\/h4\u003e\n  \u003cp\u003eYes. The Falcon 21.5x13 carbon fiber electric propeller includes a set of propeller \n  covers for safe storage and transport.\u003c\/p\u003e\n\n  \u003ch4\u003eDo I need to check amp draw after installing this propeller?\u003c\/h4\u003e\n  \u003cp\u003eYes. Any propeller change — especially moving to a larger diameter or higher pitch — \n  can significantly affect motor load, ESC temperature, battery draw, and flight time. \n  Always use a watt meter to confirm your setup is within the safe operating limits of \n  your motor, ESC, and battery pack.\u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eWhat's Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eOne Falcon 21.5x13 carbon fiber electric propeller\u003c\/li\u003e\n    \u003cli\u003eOne set of propeller covers\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cem\u003eMotor, spinner, prop adapter, hardware, and aircraft shown in example applications \n  are not included unless specifically stated above.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Falcon","offers":[{"title":"Default Title","offer_id":46988655001822,"sku":"CGPE21513V1","price":97.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1436\/6686\/files\/falcon-2-blade-10_36.jpg?v=1749052781","url":"https:\/\/www.gator-rc.com\/products\/falcon-21-5x13-carbon-fiber-electric-propelle","provider":"Gator RC","version":"1.0","type":"link"}