{"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":119.99,"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","url":"https:\/\/www.probuild-uk.co.uk\/products\/frsky-xact-bls6505h-brushless-hv-servo-74kg-high-torque-fbus-telemetry-winch-function","provider":"Probuild Aircraft Ltd","version":"1.0","type":"link"}