{"product_id":"frsky-bls5405","title":"FrSky BLS5405H Xact Brushless HV Digital Servo | 762 oz-in High-Torque Servo","description":"\u003cdiv class=\"table-wrapper\"\u003e\n\u003cdiv id=\"Product-description-8100149428511\" class=\"collapsible-content collapsible-content--all is-open\"\u003e\n\u003cdiv class=\"collapsible-content__inner rte\"\u003e\n\u003ch1\u003e\u003cspan\u003eFrSky BLS5405H Xact Brushless HV Digital Servo | 762 oz-in High-Torque Servo for Giant Scale RC Aircraft\u003c\/span\u003e\u003c\/h1\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\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrSky BLS5405H Xact Brushless HV Digital Servo\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for giant-scale RC pilots who require exceptional torque, precision, and reliability from their flight control system. Delivering an impressive \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e762 oz-in of torque at 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eand transit speeds as fast as \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0.12 sec\/60°\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the BLS5405H is an outstanding choice for large aerobatic aircraft, IMAC competitors, scale warbirds, and giant-scale sport models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuilt around advanced \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebrushless motor technology\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the BLS5405H provides smooth operation, precise centering, excellent holding power, and long service life. Combined with a fully CNC-machined aluminum case, heavy-duty metal gears, dual ball bearings, and Hall sensor technology, this servo is engineered to perform under the demanding loads encountered in today's high-performance RC aircraft. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e\u003cmeta charset=\"UTF-8\"\u003eSKU: \u003cspan class=\"ProductSku-template--19647662588126__main\" id=\"ProductSku-template--19647662588126__main\"\u003e03050630\u003c\/span\u003e\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\u003e70cc–120cc Giant Scale RC Airplanes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIMAC Competition Aircraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePrecision Aerobatic Models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge Scale Warbirds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGiant Scale Sport Aircraft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-Load Rudder Installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eElevator Servo Applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLarge Aileron Control Surfaces\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAircraft Requiring Maximum Torque and Holding Power\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\u003eHigh-Performance Brushless Motor\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe advanced brushless motor design delivers outstanding efficiency, smooth operation, and extended service life compared to conventional brushed servos.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eBenefits Include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eIncreased durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced wear over time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStrong holding power\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConsistent performance under load\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eMassive Torque Output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProducing up to \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e54.9 kgf·cm (762 oz-in) of torque at 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the BLS5405H is built to confidently manage large control surfaces and demanding flight conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHigh-Voltage Operation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCompatible with modern high-voltage aircraft systems, the BLS5405H operates from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4.8V to 8.4V\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, making it ideal for direct use with regulated HV power systems and 2S receiver battery setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFull CNC Aluminum Case\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe precision-machined aluminum housing provides exceptional structural rigidity while helping dissipate heat during extended operation.\u003c\/span\u003e\u003c\/p\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 delivers the durability and strength required for high-load applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHall Sensor Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe integrated Hall sensor system provides accurate positioning, excellent centering performance, and long-term reliability without the wear associated with traditional potentiometers.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eDual Precision Ball Bearings\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDual ball bearings support the output shaft for smooth operation, reduced friction, and increased service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eMultiple Control Protocols\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe BLS5405H supports:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eFBUS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSBUS\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePWM\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eallowing compatibility with a wide variety of modern FrSky and third-party radio systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFBUS Telemetry Support\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhen connected through a compatible FBUS system, the servo can provide valuable telemetry feedback, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOperating Voltage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCurrent Consumption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eServo Temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eallowing pilots to monitor servo health in real time.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eAdjustable Servo Travel\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eServo travel settings of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e90°, 120°, and 180°\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e can be configured through supported FrSky systems, providing additional flexibility for specialized aircraft installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eOperating Voltage: 4.8V–8.4V\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 77.5g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDimensions: 40 × 20 × 33.5 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eOutput Spline: Φ6 25T\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaximum Refresh Rate: 333Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStall Current: 9.1A @ 8.4V\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003ePerformance at 8.4V\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eTorque: 54.9 kgf·cm (762.4 oz-in)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpeed: 0.12 sec\/60°\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the FrSky BLS5405H?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eFor giant-scale pilots seeking a premium brushless servo capable of handling large control surfaces with authority, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFrSky BLS5405H\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e delivers an outstanding combination of torque, precision, durability, and advanced telemetry capability. Whether installed in a 3D aerobatic aircraft, IMAC competition model, or large-scale warbird, the BLS5405H provides the confidence and control serious RC pilots demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLegend Hobby Recommended Uses\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe FrSky BLS5405H is particularly well suited for rudder and elevator installations on 70cc–120cc aircraft where maximum torque and precise control are essential. For pilots building premium giant-scale aircraft, this servo offers the performance, reliability, and advanced features expected from a top-tier brushless HV servo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0676\/5687\/6347\/files\/Screen_Shot_2026-05-29_at_11.49.24_PM.png?v=1780116591\" alt=\"\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0676\/5687\/6347\/files\/Screen_Shot_2026-05-29_at_11.50.36_PM.png?v=1780116657\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FrSky","offers":[{"title":"Default Title","offer_id":51294259183931,"sku":"FrSkyBLS5405H","price":79.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/5687\/6347\/files\/BLS5405HTILT.jpg?v=1780116317","url":"https:\/\/www.legendhobby.com\/products\/frsky-bls5405","provider":"Legend Hobby","version":"1.0","type":"link"}