{"title":"FrSky Servos | High-Performance Digital \u0026 Brushless RC Servos","description":"\u003cp\u003eUpgrade your RC aircraft with premium FrSky servos, designed for precision, speed, and reliability. Explore our range of FrSky digital, coreless, and brushless servos for fixed-wing aircraft, helicopters, gliders, UAVs, and other radio-controlled models. Many models feature high-voltage (HV) operation, CNC-machined aluminium cases, metal gears, programmable functions, and support for advanced protocols including FBUS, SBUS, PWM, and PPM. Whether you're looking for lightweight wing servos or high-torque brushless servos for demanding applications, our FrSky servo collection delivers exceptional performance and accurate control for every flight.\u003c\/p\u003e","products":[{"product_id":"frsky-xact-bls5405h-brushless-hv-servo-54-9kg-high-torque-fbus-telemetry","title":"FrSky Xact BLS5405H Brushless HV Servo 54.9kg High Torque FBUS Telemetry","description":"\u003cp\u003eThe FrSky Xact BLS5405H Brushless HV Servo is the most powerful servo in the Xact 5400 Brushless Series, delivering an incredible 54.9kg.cm of torque at 8.4V while maintaining outstanding precision and reliability. Designed for giant-scale aircraft, aerobatic models, turbine jets and other demanding applications, the BLS5405H combines advanced brushless motor technology with a robust all-metal construction.\u003c\/p\u003e\n\u003cp\u003eCompared to the FrSky Xact Coreless servo range, the Xact Brushless series offers higher torque output, faster response times and improved efficiency while maintaining a compact standard-size footprint. The servo features a fully CNC-machined aluminium case, hardened metal gears, dual precision ball bearings and Hall sensor technology to provide exceptional centring accuracy and long-term durability.\u003c\/p\u003e\n\u003cp\u003eSupporting FBUS (F.Port 2.0), SBUS and PWM protocols, the BLS5405H can transmit valuable telemetry data including real-time current, voltage and temperature when connected to compatible FrSky receivers or flight controllers. Servo travel settings of 90°, 120° and 180° can be configured directly through ETHOS, LUA scripting or the FrSky Freelink App.\u003c\/p\u003e\n\u003cp\u003eBuilt for extreme performance, the BLS5405H is the ideal choice for pilots who require maximum control authority, precision and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePowerful brushless motor technology\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMassive 54.9kg.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\u003eFully 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\u003eHall sensor technology for exceptional centring accuracy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports FBUS (F.Port 2.0), SBUS and PWM protocols\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelemetry feedback for current, voltage and temperature\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eConfigurable servo travel (90°, 120°, 180°)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFirmware updatable via FrSky tools\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact standard servo footprint\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned for high-load and precision applications\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\u003eTurbine Jets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge EDF Jets\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge Scale Warbirds\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\u003eHigh-Load Rudder Installations\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eElevator Applications\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLarge Aileron Control Surfaces\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eProfessional Competition 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 Xact BLS5405H is a premium brushless high-voltage servo delivering up to 54.9kg.cm torque at 8.4V. Featuring a brushless motor, CNC aluminium case, metal gears, Hall sensor technology and FBUS telemetry support, it provides exceptional power, speed and reliability for the most demanding RC aircraft applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: BLS5405H\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeries: FrSky Xact Brushless 5400\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Type: High Voltage Digital Brushless Servo\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor Type: Brushless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGear Type: Metal Gear\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSensor Type: Hall Sensor\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\u003eProtocols: FBUS (F.Port 2.0), SBUS, PWM\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 | 760μs\/700Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFirmware: User Updatable\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 × 33.5mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 77.5g\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePerformance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt 6.0V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 46.3kg.cm (643.0oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.17 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStall Current: 6.5A\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt 7.0V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 52.9kg.cm (734.6oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.14 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStall Current: 8.0A\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: 54.9kg.cm (762.4oz-in)\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.12 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStall Current: 9.1A\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 Xact BLS5405H Brushless 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":56690139103618,"sku":"BLS5405H","price":66.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/bls-5401h-1_1_1800x1800_webp.webp?v=1780574653"},{"product_id":"frsky-xact-bls6505h-brushless-hv-servo-74kg-high-torque-fbus-telemetry-winch-function","title":"FrSky Xact BLS6505H Brushless HV Servo 74kg High Torque FBUS Telemetry \u0026 Winch Function","description":"\u003cp\u003eThe FrSky Xact BLS6505H Brushless High-Voltage Servo is the flagship powerhouse of the Xact 6500 Series, delivering an incredible 74kg.cm of torque at 8.4V while maintaining exceptional precision and reliability. Designed for giant-scale aircraft, large aerobatic models, turbine jets, sailplanes and specialist applications, the BLS6505H combines advanced brushless motor technology with intelligent FBUS functionality.\u003c\/p\u003e\n\u003cp\u003eBuilt around a fully CNC-machined aluminium case, hardened metal gears, dual ball bearings and a precision Hall sensor, the BLS6505H is engineered to withstand the demands of high-performance RC applications. Its brushless motor delivers outstanding efficiency, fast response times and exceptional holding power, making it ideal for large control surfaces and heavy-duty installations.\u003c\/p\u003e\n\u003cp\u003eWhen used in FBUS mode, the servo provides advanced telemetry feedback including real-time current, voltage, temperature, status and rotation position data directly to compatible FrSky radios. The integrated Servo Winch function allows continuous clockwise or counter-clockwise rotation without requiring a separate winch controller, making it ideal for scale gliders, sailplanes and specialist winch applications.\u003c\/p\u003e\n\u003cp\u003eConfigurable settings including centre position, travel limits and winch operation can be adjusted directly through ETHOS-compatible radios or via the FrSky PC Servo Configuration Tool.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003ePowerful brushless motor technology\u003cbr\u003eMassive 74kg.cm torque output at 8.4V\u003cbr\u003eHigh-voltage operation from 4.8V to 8.4V\u003cbr\u003eFully CNC-machined aluminium protective case\u003cbr\u003eHeavy-duty metal gear train\u003cbr\u003eDual precision ball bearings\u003cbr\u003ePrecision Hall sensor technology\u003cbr\u003eSupports FBUS, SBUS and PWM protocols\u003cbr\u003eReal-time telemetry feedback via FBUS\u003cbr\u003eCurrent, voltage, temperature and status monitoring\u003cbr\u003eRotation position indicator telemetry\u003cbr\u003eIntegrated servo winch functionality\u003cbr\u003eNo separate winch controller required\u003cbr\u003eCompatible with Φ6 25T winch spools\u003cbr\u003eAdjustable servo centre and travel settings\u003cbr\u003eFirmware updatable for future enhancements\u003c\/p\u003e\n\u003cp\u003ePerfect For\u003c\/p\u003e\n\u003cp\u003eGiant Scale Aircraft\u003cbr\u003eIMAC Competition Models\u003cbr\u003e3D Aerobatic Aircraft\u003cbr\u003eLarge Scale Warbirds\u003cbr\u003eTurbine Jets\u003cbr\u003eLarge EDF Jets\u003cbr\u003eScale Aircraft\u003cbr\u003eSailplanes \u0026amp; Gliders\u003cbr\u003eWinch Applications\u003cbr\u003eTow Release Systems\u003cbr\u003eHeavy-Duty Rudder Installations\u003cbr\u003eElevator \u0026amp; Aileron Control Surfaces\u003cbr\u003eSpecialist RC Projects\u003c\/p\u003e\n\u003cp\u003eProduct Summary\u003c\/p\u003e\n\u003cp\u003eThe FrSky Xact BLS6505H is an ultra-high torque brushless servo designed for the most demanding RC applications. Producing up to 74kg.cm torque at 8.4V, it combines a brushless motor, CNC aluminium construction, precision Hall sensor technology and advanced FBUS telemetry. The integrated Servo Winch function adds versatility for glider and specialist applications, making the BLS6505H one of the most capable servos in the FrSky range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: BLS6505H\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeries: FrSky Xact 6500 Brushless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Type: High Voltage Digital Brushless Servo\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMotor Type: Brushless\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGear Type: Metal Gear\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSensor Type: Precision Hall Sensor\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBearing Type: Dual 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\u003eProtocols: FBUS, SBUS, PWM\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 | 760μs\/700Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFirmware: Updatable\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 × 29.5mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 72.3g\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: 56.0kg.cm (777.7oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.18 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eAt 7.0V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 67.0kg.cm (930.5oz-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 8.4V\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eTorque: 74.0kg.cm (1027.7oz-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: 0.13 sec\/60°\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eTelemetry Functions (FBUS Mode)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCurrent Monitoring\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVoltage Monitoring\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTemperature Monitoring\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Status Feedback\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRotation Position Indicator\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eServo Winch Functions (FBUS Mode)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eContinuous Rotation Operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eClockwise or Counter-Clockwise Rotation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdjustable Rotation Speed\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNo Additional Winch Controller Required\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with Φ6 25T Winch Spools\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWinch accessories including spool, line and hook are sold separately.\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 Xact BLS6505H Brushless 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":56690157158786,"sku":"BLS6505H","price":99.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/1_1800x1800_37694aa7-a881-4602-8a45-0ef6907949f4.webp?v=1780577999"},{"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":41.66,"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"},{"product_id":"frsky-act-m5213h-cnc-machined-aluminum-protective-case","title":"FrSky Act  M5213H, CNC machined aluminum protective case","description":"\u003ch2\u003eFrSky Act 5200 Series Servos,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eM5213H\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe Act series coreless servos utilize a fully CNC machined aluminum protective case and benefit from metal gears. These high-voltage servos are capable of supporting up to 8.4V and offer both high speed and torque performance.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eThe Act series servos are available in a range of models to support different Torque and Speeds depending on your needs. These servos are ideally matched to models especially where power, reliability, and precision are required.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh durability with metal gear and all-aluminum CNC machined protective case\u003c\/li\u003e\n\u003cli\u003e8.4V high voltage capable operation with high speed and big torque performance\u003c\/li\u003e\n\u003cli\u003eBuilt-in dual precision balls bearing with potentiometer sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/media.horusrc.com\/wysiwyg\/Act_Coreless_5200_Series_High-Voltage_Servos_Specifications.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0683\/5637\/4815\/files\/XACT-ACT-Series-Servos--2026-0109.jpg?v=1768531273\" alt=\"\"\u003e\u003c\/p\u003e","brand":"FrSky","offers":[{"title":"Default Title","offer_id":56706243690882,"sku":"03050643","price":22.08,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/MR5213H.webp?v=1781195985"},{"product_id":"frsky-xact-brushless-5404h-55kg-servo","title":"FrSky Xact Brushless 5404H 46kg Servo","description":"\u003cp\u003eCompares to Xact coreless servo lines, the Xact brushless servos feature faster speed with higher torque performance, but a smaller form factor. The Xact series utilizes all CNC machined aluminum protective cases and metal gears and offers multiple configurations to fit for different model types and precision usage.\u003c\/p\u003e\n\u003cp\u003eWorking with the FBUS (F.Port 2.0) protocol, the telemetry data (like real-time current and voltage) of Xact servos can be achieved and transmitted back to the radio by connecting either FBUS capable receiver or flight controller. All the preset servo travel degrees can be changed directly on an ACCESS-capable radio (via ETHOS or LUA script) through the host device of the FBUS line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports FBUS (F.Port 2.0), SBUS and PWM protocol\u003c\/li\u003e\n\u003cli\u003eHigh durability with metal gear and all-aluminum CNC machined protective case\u003c\/li\u003e\n\u003cli\u003e8.4V high voltage capable operation with high speed and big torque performance\u003c\/li\u003e\n\u003cli\u003eBuilt-in dual precision balls bearing with hall sensor\u003c\/li\u003e\n\u003cli\u003eSupports telemetry feedback(Current, Voltage, and Temp.)through FBUS mode\u003c\/li\u003e\n\u003cli\u003eUpdatable firmware ensures the performance superior\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSPECIFICATIONS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/media.horusrc.com\/wysiwyg\/BLS5400H_Series_table.jpg\" alt=\"xact brushless servos 5400\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"FrSky","offers":[{"title":"Default Title","offer_id":56706251981186,"sku":"03050629","price":66.66,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/7711\/0146\/files\/bls-5401h-1_1_1800x1800_webp_af0635b8-b73a-495c-8a5b-9d6256b6aff2.webp?v=1781196366"},{"product_id":"frsky-xact-brushless-5405h-55kg-servo-copy","title":"FrSky Xact Brushless 5405H 55kg Servo","description":"\u003cp\u003eCompares to Xact coreless servo lines, the Xact brushless servos feature faster speed with higher torque performance, but a smaller form factor. The Xact series utilizes all CNC machined aluminum protective cases and metal gears and offers multiple configurations to fit for different model types and precision usage.\u003c\/p\u003e\n\u003cp\u003eWorking with the FBUS (F.Port 2.0) protocol, the telemetry data (like real-time current and voltage) of Xact servos can be achieved and transmitted back to the radio by connecting either FBUS capable receiver or flight controller. 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