{"product_id":"kst-a20-4515-v8-0-brushless-hv-servo-50kg-cm-high-torque-servo","title":"KST A20-4515 V8.0 Brushless HV Servo – 50kg.cm High-Torque Servo","description":"\u003ch1\u003eKST A20-4515 V8.0 Brushless HV Servo – 50kg.cm High-Torque Servo\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKST A20-4515 V8.0 Brushless HV Servo\u003c\/strong\u003e is a premium high-torque digital servo designed for demanding \u003cstrong\u003elarge-scale RC aircraft, 3D aerobatic models and high-performance airplanes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDelivering an impressive \u003cstrong\u003e50kg.cm of torque at 8.4V\u003c\/strong\u003e, the A20-4515 provides the power required for large control surfaces and high-load applications. Its combination of a powerful \u003cstrong\u003ebrushless motor, heavy-duty metal gear train, CNC aluminum housing and dual ball bearings\u003c\/strong\u003e delivers the precision, strength and durability expected from a high-end KST servo.\u003c\/p\u003e\n\u003cp\u003eWith its high-voltage capability and compact standard-size footprint, the A20-4515 V8.0 is an excellent choice for pilots who want \u003cstrong\u003emaximum servo power without moving to a larger oversized servo\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003e50kg.cm of High-Torque Performance\u003c\/h2\u003e\n\u003cp\u003eThe A20-4515 V8.0 is designed for applications where servo torque is critical.\u003c\/p\u003e\n\u003cp\u003eWith up to \u003cstrong\u003e50kg.cm of torque at 8.4V\u003c\/strong\u003e, it provides a substantial power reserve for large control surfaces and demanding flight conditions.\u003c\/p\u003e\n\u003cp\u003eThis makes the servo especially suitable for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarge-scale aerobatic RC aircraft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3D RC airplanes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGiant-scale aircraft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge Extra, Edge and Slick models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-performance aerobatic models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge ailerons and elevators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-load rudders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge flaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOther demanding RC applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe high torque output provides strong and precise control even when large control surfaces are subjected to significant aerodynamic loads.\u003c\/p\u003e\n\u003ch2\u003eHigh-Performance Brushless Motor\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the A20-4515 V8.0 is a \u003cstrong\u003ehigh-performance brushless DC motor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe brushless design provides fast response, excellent efficiency and long-term durability, making it particularly well suited to high-performance RC aircraft where servos are exposed to continuous and rapidly changing loads.\u003c\/p\u003e\n\u003cp\u003eCombined with KST's digital control electronics, the brushless motor provides smooth and accurate positioning throughout the servo's operating range.\u003c\/p\u003e\n\u003ch2\u003eHeavy-Duty Metal Gear Train\u003c\/h2\u003e\n\u003cp\u003eThe A20-4515 V8.0 features a robust \u003cstrong\u003emetal gear train engineered for high-load applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe heavy-duty gears are designed to withstand the loads generated by large control surfaces while maintaining accurate positioning and reliable operation.\u003c\/p\u003e\n\u003cp\u003eFor large-scale aerobatic aircraft, where control surfaces can generate substantial aerodynamic forces, a strong metal gear train is essential for maintaining precise control.\u003c\/p\u003e\n\u003ch2\u003eCNC Aluminum Housing\u003c\/h2\u003e\n\u003cp\u003eThe precision-machined \u003cstrong\u003eCNC aluminum housing\u003c\/strong\u003e provides excellent rigidity and durability while helping to dissipate heat during demanding operation.\u003c\/p\u003e\n\u003cp\u003eThe strong metal case also provides a secure mounting platform, making the A20-4515 suitable for serious large-scale RC applications.\u003c\/p\u003e\n\u003cp\u003eDespite its high torque output, the servo maintains a compact form factor, making it easier to install in models where space is limited.\u003c\/p\u003e\n\u003ch2\u003eHigh-Voltage Operation\u003c\/h2\u003e\n\u003cp\u003eThe A20-4515 V8.0 is designed for modern \u003cstrong\u003eHV RC power systems\u003c\/strong\u003e and can operate at up to \u003cstrong\u003e8.4V\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eRunning the servo at 8.4V allows it to deliver its maximum \u003cstrong\u003e50kg.cm torque\u003c\/strong\u003e, making it an excellent match for modern 2S LiPo or LiFe receiver systems when used with an appropriate power setup.\u003c\/p\u003e\n\u003cp\u003eAlways ensure that your receiver and power system are rated for the selected servo voltage.\u003c\/p\u003e\n\u003ch2\u003ePrecision and Reliability for Large RC Aircraft\u003c\/h2\u003e\n\u003cp\u003eLarge aerobatic and 3D aircraft require servos that can maintain accurate positioning under high aerodynamic loads.\u003c\/p\u003e\n\u003cp\u003eThe A20-4515 V8.0 is designed to provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh torque reserve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast and precise response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent holding power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSmooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh mechanical durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable performance under demanding loads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes it a strong choice for pilots looking for a \u003cstrong\u003epremium high-torque servo for large RC aircraft\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eIdeal for Large-Scale Aerobatic \u0026amp; 3D Models\u003c\/h2\u003e\n\u003cp\u003eThe KST A20-4515 V8.0 is particularly well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge-scale aerobatic aircraft\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3D RC aircraft\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGiant-scale models\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtra and Edge aerobatic aircraft\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge Slick and other 3D models\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-performance scale aircraft\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLarge control surfaces\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-load rudder, elevator and aileron applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor large aerobatic aircraft where maximum servo power is important, the A20-4515 offers an excellent combination of \u003cstrong\u003e50kg.cm torque, brushless performance and heavy-duty construction\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e50kg.cm maximum torque @ 8.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-performance \u003cstrong\u003ebrushless DC motor\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-voltage operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeavy-duty \u003cstrong\u003emetal gear train\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision \u003cstrong\u003eCNC aluminum housing\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual ball bearings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital servo electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh torque with a compact servo footprint\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for demanding large-scale RC aircraft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent choice for aerobatic and 3D models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"right\"\u003eKST A20-4515 V8.0\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eServo Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eDigital HV Brushless Servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eBrushless DC Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e6.0–8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e7.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTorque @ 6.0V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e36kgf.cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTorque @ 7.4V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e45kgf.cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTorque @ 8.4V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e\u003cstrong\u003e50kgf.cm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed @ 6.0V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e\u003cstrong\u003e0.19 sec\/60°\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed @ 7.4V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e\u003cstrong\u003e0.15 sec\/60°\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed @ 8.4V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e\u003cstrong\u003e0.13 sec\/60°\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGear Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003ePhosphor Bronze \u0026amp; Hardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eBrushless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e2 Ball Bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Spline\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e25T \/ 6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e1520μs \/ 333Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eCNC Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e40.5 × 20.5 × 42mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e80g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003e-20°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoft Start\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eProgrammable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"right\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003c\/h2\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × KST A20-4515 V8.0 Brushless HV Servo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 × Servo Accessory Set\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Application\u003c\/h2\u003e\n\u003cp\u003eFor maximum performance, the A20-4515 V8.0 should be used with a suitable \u003cstrong\u003eHV receiver and power system\u003c\/strong\u003e capable of supplying sufficient current to the servo system.\u003c\/p\u003e\n\u003cp\u003eFor large aircraft using multiple high-torque servos, make sure the receiver power supply and wiring are appropriately sized for the expected peak current.\u003c\/p\u003e\n\u003ch3\u003eKST A20-4515 V8.0 – Serious Torque for Serious RC Aircraft\u003c\/h3\u003e\n\u003cp\u003eWhen your aircraft demands more from its servos, the \u003cstrong\u003eKST A20-4515 V8.0\u003c\/strong\u003e delivers. With an impressive \u003cstrong\u003e50kg.cm of torque at 8.4V\u003c\/strong\u003e, a powerful brushless motor and heavy-duty metal gears, it is built for pilots who demand maximum control authority from their large-scale and high-performance RC aircraft.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rc Planes","offers":[{"title":"Default Title","offer_id":58806032499072,"sku":null,"price":105.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/6954\/5344\/files\/8_A20-4515-05_1800x1800_jpg.jpg?v=1788004203","url":"https:\/\/www.rc-planes.nl\/de\/products\/kst-a20-4515-v8-0-brushless-hv-servo-50kg-cm-high-torque-servo","provider":"Rc Planes","version":"1.0","type":"link"}