{"product_id":"frsky-act-s5415h-servo","title":"FrSky S5415H Coreless HV Digital Servo | High-Torque Servo up to 120cc","description":"\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFrSky ACT S5415H Servo  High\/Wide Voltage Super Torque Digital Metal Gear Servo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eARRIVING JUNE 5, 2026! Order Now!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch2 data-section-id=\"ik69xq\" data-start=\"0\" data-end=\"96\"\u003eFrSky ACT 5400 Series Coreless HV Servos – High-Speed Performance for Giant Scale RC Aircraft\u003c\/h2\u003e\n\u003ch1\u003e\u003cspan\u003eFrSky S5415H Coreless HV Digital Servo | High-Torque Servo for 50cc–120cc Giant Scale RC Aircraft  \u003c\/span\u003e\u003c\/h1\u003e\n\u003ch6\u003e\u003cspan\u003eSKU 03050658\u003c\/span\u003e\u003c\/h6\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrSky S5415H Coreless HV Digital Servo\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a premium high-torque servo designed for the largest and most demanding giant-scale RC aircraft. Engineered for exceptional holding power, precise centering, and long-term reliability, the S5415H is an ideal choice for 50cc- 100cc–120cc aerobatic aircraft, turbine jets, large-scale warbirds, and other high-performance RC airplanes requiring maximum control authority.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing advanced \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecoreless motor technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a heavy-duty metal gear train, CNC-machined aluminum case, dual precision ball bearings, and high-voltage operation up to 8.4V, the FrSky S5415H delivers the strength and precision serious RC pilots demand when flying large aircraft with heavily loaded control surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRecommended Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e50cc-100cc–120cc Giant Scale RC Airplanes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbine Jets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge-Scale Warbirds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eExtreme 3D Aerobatic Aircraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIMAC Competition Aircraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOversized Rudder Installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge Elevator Applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-Load Aileron Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAircraft Requiring Maximum Servo Torque\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eCoreless Motor Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FrSky S5415H utilizes a high-performance coreless motor that delivers rapid response, smooth operation, and excellent centering accuracy under demanding flight conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eBenefits Include:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eExceptional torque output\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFast and precise control response\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSmooth servo movement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced motor inertia\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConsistent performance under heavy aerodynamic loads\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePrecision Feedback System\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA precision potentiometer feedback system provides accurate position tracking and repeatable servo movement for improved control precision throughout the flight envelope.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eIntegrated Soft Start Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe S5415H incorporates built-in Soft Start Technology, gradually moving the servo into position during power-up rather than instantly driving to center.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eSoft Start Benefits:\u003c\/span\u003e\u003c\/h4\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eReduces startup shock loads\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtects gears and linkages\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMinimizes wear on control horns and hinges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEnhances long-term reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps extend component service life\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eHeavy-Duty Metal Gear Train\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for giant-scale aircraft, the all-metal gear train provides outstanding durability and strength when operating large, heavily loaded control surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCNC-Machined Aluminum Case\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe fully CNC-machined aluminum housing provides maximum rigidity, superior heat dissipation, and excellent protection for internal components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDual Ball Bearing Support\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDual precision ball bearings support the output shaft for smooth operation, reduced friction, and increased durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Voltage Compatible\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FrSky S5415H operates from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.8V to 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it compatible with modern HV receiver battery systems and power distribution systems commonly used in giant-scale aircraft.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Speed Signal Processing\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFeaturing a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e333Hz refresh rate\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the S5415H delivers fast, accurate, and responsive servo performance for precision flying applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStandard 25T Output Spline\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe standard \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25T output spline\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is compatible with a wide variety of heavy-duty aluminum servo arms and giant-scale hardware.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the FrSky S5415H?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDelivering up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e986 oz-in of torque at 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the FrSky S5415H is built for pilots who refuse to compromise on control authority. Whether installed in a giant-scale aerobatic aircraft, turbine-powered jet, or large-scale warbird, the S5415H provides the torque, durability, and precision needed to confidently command today's largest RC aircraft.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003ePerformance Specifications by Model\u003c\/h3\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"6\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eTorque @ 6.0V\u003c\/th\u003e\n\u003cth\u003eSpeed @ 6.0V\u003c\/th\u003e\n\u003cth\u003eTorque @ 7.4V\u003c\/th\u003e\n\u003cth\u003eSpeed @ 7.4V\u003c\/th\u003e\n\u003cth\u003eTorque @ 8.4V\u003c\/th\u003e\n\u003cth\u003eSpeed @ 8.4V\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS5412H\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22 kg-cm \/ 305.5 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.07 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e27 kg-cm \/ 375.0 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.08 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e30 kg-cm \/ 416.6 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.05 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS5414H\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 kg-cm \/ 652.7 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.12 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e55 kg-cm \/ 763.8 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.10 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e63 kg-cm \/ 874.9 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.08 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS5415H\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53 kg-cm \/ 736.0 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.15 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e63 kg-cm \/ 874.9 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.12 sec\/60°\u003c\/td\u003e\n\u003ctd\u003e71 kg-cm \/ 986.0 oz-in\u003c\/td\u003e\n\u003ctd\u003e0.10 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the FrSky S5415H Coreless HV Servo?\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eS5415H – Built for Maximum Control Authority\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrSky S5415H Coreless HV Digital Servo\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is engineered for the largest and most demanding giant-scale RC aircraft. Delivering up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e986 oz-in of torque at 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the S5415H provides exceptional holding power, precise centering, and reliable performance under extreme aerodynamic loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for oversized rudders, elevators, and other heavily loaded control surfaces, the S5415H is an ideal choice for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e100cc–120cc giant-scale airplanes, turbine jets, large-scale warbirds, and high-performance 3D aerobatic aircraft\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Its advanced coreless motor technology provides smooth operation and rapid response, while the heavy-duty metal gear train ensures long-term durability in demanding flight applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePremium Features for Serious RC Pilots\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe FrSky S5415H combines a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-performance coreless motor\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efully CNC-machined aluminum case\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003emetal gear train\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003edual precision ball bearings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-voltage compatibility up to 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e into one powerful servo package. Integrated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSoft Start Technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e helps reduce startup shock loads on gears and control linkages, enhancing reliability and extending component life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're flying a giant-scale aerobatic aircraft, turbine-powered jet, or large-scale warbird, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrSky S5415H delivers the torque, precision, and control confidence required for the most demanding RC applications.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003eGeneral Specifications – All Models\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eServo Type\u003c\/td\u003e\n\u003ctd\u003eCoreless High-Voltage Digital Servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eCoreless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Feedback\u003c\/td\u003e\n\u003ctd\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Type\u003c\/td\u003e\n\u003ctd\u003eMetal Gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eFully CNC-Machined Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e4.8V – 8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Current\u003c\/td\u003e\n\u003ctd\u003e4.7A @ 6.0V \/ 5.8A @ 7.4V \/ 6.6A @ 8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 × 20 × 39 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e80g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn Spline\u003c\/td\u003e\n\u003ctd\u003eΦ6 25T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearings\u003c\/td\u003e\n\u003ctd\u003eDual Precision Ball Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Refresh Rate\u003c\/td\u003e\n\u003ctd\u003e333Hz \/ 1520μs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft Start\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"FrSky","offers":[{"title":"Default Title","offer_id":51294241816891,"sku":"FrSkyS5415H","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/5687\/6347\/files\/S5414HLeftSide.webp?v=1780111078","url":"https:\/\/www.legendhobby.com\/products\/frsky-act-s5415h-servo","provider":"Legend Hobby","version":"1.0","type":"link"}