{"product_id":"frsky-act-s5415h-coreless-hv-servo-71kg-high-torque-metal-gear-servo","title":"FrSky Act S5415H Coreless HV Servo 71kg High Torque Metal Gear Servo","description":"\u003cp\u003eThe FrSky Act S5415H Coreless HV Servo is a high-performance, high-torque digital servo designed for demanding RC aircraft applications where strength, precision and reliability are essential. Built with a powerful coreless motor, hardened metal gears and a fully CNC-machined aluminium case, the S5415H delivers exceptional control authority for giant-scale aircraft, aerobatic models, jets and heavy-duty control surface installations.\u003c\/p\u003e\n\u003cp\u003eOperating from 4.8V to 8.4V, the S5415H develops an impressive 71kg.cm of torque at 8.4V while maintaining smooth and precise movement. The combination of dual precision ball bearings and an integrated potentiometer ensures excellent centring accuracy, consistent performance and long service life.\u003c\/p\u003e\n\u003cp\u003eEngineered to withstand the demands of modern RC aviation, the S5415H offers the perfect balance of power, durability and speed, making it an ideal solution for pilots requiring dependable servo performance in high-load applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowerful coreless motor technology\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMassive 71kg.cm torque output at 8.4V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh-voltage operation from 4.8V to 8.4V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFull CNC-machined aluminium protective case\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeavy-duty metal gear train\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDual precision ball bearings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh-strength digital servo design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExcellent centring accuracy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFast response with smooth operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for demanding RC aircraft applications\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDurable construction for long service life\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIdeal for large control surfaces and high-load installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGiant Scale Aircraft\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIMAC Competition Models\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e3D Aerobatic Aircraft\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge Scale Warbirds\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTurbine Jets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge EDF Jets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eScale Aircraft\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRC Helicopters\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Rudder Applications\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElevator Systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge Aileron Installations\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompetition Aircraft\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Summary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe FrSky Act S5415H is a powerful coreless high-voltage servo delivering up to 71kg.cm of torque at 8.4V. Featuring a CNC-machined aluminium case, metal gears, dual ball bearings and precision potentiometer feedback, it provides outstanding reliability and control for giant-scale and high-performance RC aircraft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: S5415H\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeries: FrSky Act 5400 Coreless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Type: High Voltage Digital Servo\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor Type: Coreless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGear Type: Metal Gear\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFeedback System: Potentiometer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBearing Type: Dual Precision Ball Bearings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOperating Voltage Range: 4.8V – 8.4V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Horn Spline: Φ6 25T\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRefresh Rate: 1520μs \/ 333Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 40 × 20 × 39mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 80g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElectrical Specifications\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eStall Current: 4.7A @ 6.0V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStall Current: 5.8A @ 7.4V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStall Current: 6.6A @ 8.4V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 6.0V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 53kg.cm (736oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.15 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt 7.4V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 63kg.cm (874.9oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.12 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt 8.4V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 71kg.cm (986oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.10 sec\/60°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Buy From Probuild Aircraft?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅ Official UK FrSky stockist\u003cbr\u003e✅ 100% genuine FrSky products\u003cbr\u003e✅ Trusted by top international pilots\u003cbr\u003e✅ Fast UK \u0026amp; worldwide shipping\u003cbr\u003e✅ Expert RC aircraft technical support\u003cbr\u003e✅ Trusted by pilots since 1993\u003cbr\u003e✅ Specialist model aviation retailer\u003cbr\u003e✅ Competitive UK pricing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn The Box\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrSky Act S5415H Coreless HV Servo\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Arm Set\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting Hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FrSky","offers":[{"title":"Default Title","offer_id":56690298126722,"sku":"S5415H","price":49.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/4-4_69349051-ca9b-4c0e-b1a9-57aefc9464ab.jpg?v=1780578671","url":"https:\/\/www.probuild-uk.co.uk\/products\/frsky-act-s5415h-coreless-hv-servo-71kg-high-torque-metal-gear-servo","provider":"Probuild Aircraft Ltd","version":"1.0","type":"link"}