{"product_id":"kst-ms825-v8-0-hv-brushless-servo-35kgf-cm-contactless-hall-sensor","title":"KST MS825 V8.0 HV Brushless Servo – 35kgf.cm Contactless Hall Sensor","description":"\u003ch1\u003eKST MS825 V8.0 HV Brushless Servo – 35kgf.cm Contactless Hall Sensor\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eKST MS825 V8.0 HV Brushless Servo\u003c\/strong\u003e is a high-performance standard-size servo designed for demanding \u003cstrong\u003elarge-scale RC aircraft, scale models and aerobatic airplanes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWith up to \u003cstrong\u003e35kgf.cm of torque at 8.4V\u003c\/strong\u003e and an impressive \u003cstrong\u003e0.11 sec\/60° response speed\u003c\/strong\u003e, the MS825 combines high power with fast and precise control.\u003c\/p\u003e\n\u003cp\u003eOne of its key advantages is the \u003cstrong\u003econtactless Hall-effect position sensor\u003c\/strong\u003e. Unlike conventional potentiometer-based servos, the contactless sensor eliminates physical contact at the position-sensing element, providing excellent precision, repeatability and long-term reliability.\u003c\/p\u003e\n\u003cp\u003eCombined with a powerful \u003cstrong\u003ebrushless DC motor, hardened steel gears, dual ball bearings and a CNC aluminum alloy case\u003c\/strong\u003e, the MS825 V8.0 is built for serious RC aircraft applications.\u003c\/p\u003e\n\u003ch2\u003eHigh Torque and Fast Response\u003c\/h2\u003e\n\u003cp\u003eThe KST MS825 V8.0 delivers an impressive combination of torque and speed.\u003c\/p\u003e\n\u003cp\u003eAt 8.4V, it produces \u003cstrong\u003e35kgf.cm of stall torque\u003c\/strong\u003e while achieving a fast \u003cstrong\u003e0.11 sec\/60° no-load speed\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis makes it suitable for large control surfaces where both strong holding power and fast response are important.\u003c\/p\u003e\n\u003cp\u003eThe performance increases with higher operating voltage:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e25kgf.cm \/ 0.15 sec\/60° @ 6.0V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e30kgf.cm \/ 0.13 sec\/60° @ 7.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e35kgf.cm \/ 0.11 sec\/60° @ 8.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eContactless Hall Sensor Technology\u003c\/h2\u003e\n\u003cp\u003eThe MS825 V8.0 uses a \u003cstrong\u003econtactless Hall-effect position sensor\u003c\/strong\u003e instead of a conventional mechanical potentiometer.\u003c\/p\u003e\n\u003cp\u003eThis technology provides highly accurate position feedback without physical wear at the sensing element. The result is excellent \u003cstrong\u003ecentering accuracy, repeatability and long-term reliability\u003c\/strong\u003e, particularly valuable in large RC aircraft where vibration can be significant.\u003c\/p\u003e\n\u003cp\u003eThe contactless sensor is especially beneficial for \u003cstrong\u003elarge-scale scale and aerobatic models\u003c\/strong\u003e, where precise and consistent control-surface positioning is essential.\u003c\/p\u003e\n\u003ch2\u003ePowerful Brushless Motor\u003c\/h2\u003e\n\u003cp\u003eThe MS825 is powered by a high-performance \u003cstrong\u003ebrushless DC motor\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eBrushless technology provides fast response, smooth operation and excellent durability, making it well suited to demanding RC applications.\u003c\/p\u003e\n\u003cp\u003eThe combination of brushless motor technology and high-speed digital electronics allows the MS825 to respond quickly to control inputs while maintaining accurate positioning.\u003c\/p\u003e\n\u003ch2\u003eHardened Steel Gear Train\u003c\/h2\u003e\n\u003cp\u003eFor maximum durability, the MS825 V8.0 uses a robust \u003cstrong\u003ehardened steel gear train\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe all-metal gear system is designed to withstand the high loads generated by large control surfaces and demanding flight conditions.\u003c\/p\u003e\n\u003cp\u003eCombined with \u003cstrong\u003edual ball bearings\u003c\/strong\u003e, the gear train provides smooth operation and helps maintain precise control under load.\u003c\/p\u003e\n\u003ch2\u003eCNC Aluminum Alloy Case\u003c\/h2\u003e\n\u003cp\u003eThe MS825 features a rigid \u003cstrong\u003eCNC aluminum alloy case\u003c\/strong\u003e that provides excellent structural strength while helping to dissipate heat during operation.\u003c\/p\u003e\n\u003cp\u003eDespite its high torque output, the servo maintains a compact standard-size footprint of just \u003cstrong\u003e40.5 × 20 × 38mm\u003c\/strong\u003e, making it easy to install in many large RC aircraft.\u003c\/p\u003e\n\u003ch2\u003eProgrammable HV Servo\u003c\/h2\u003e\n\u003cp\u003eThe MS825 V8.0 supports a wide \u003cstrong\u003e6.0–8.4V operating voltage range\u003c\/strong\u003e and is fully programmable.\u003c\/p\u003e\n\u003cp\u003eIts programmable electronics allow the servo characteristics to be configured to suit different aircraft and control-surface applications.\u003c\/p\u003e\n\u003cp\u003eThe servo also features \u003cstrong\u003eprogrammable soft start\u003c\/strong\u003e, helping to reduce sudden mechanical loads when the servo system is powered on.\u003c\/p\u003e\n\u003cp\u003eProgramming is supported using compatible \u003cstrong\u003eKST programming tools\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eIdeal for Large-Scale RC Aircraft\u003c\/h2\u003e\n\u003cp\u003eThe MS825 V8.0 is an excellent choice for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLarge-scale RC airplanes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eScale aircraft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWarbirds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge aerobatic models\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 and Edge models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge control surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAilerons, elevators and rudders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-load 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\u003eIts combination of \u003cstrong\u003e35kgf.cm torque, 0.11 sec speed, contactless Hall sensor and hardened steel gears\u003c\/strong\u003e makes it a particularly strong option for large aircraft where precision and reliability are important.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e35kgf.cm maximum torque @ 8.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0.11 sec\/60° speed @ 8.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eContactless Hall-effect position sensor\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\u003eDurable \u003cstrong\u003ehardened steel gears\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual ball bearings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCNC \u003cstrong\u003ealuminum alloy case\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-voltage operation from \u003cstrong\u003e6.0V to 8.4V\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully programmable digital electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProgrammable soft start\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStandard-size servo dimensions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent centering accuracy and repeatability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for large-scale RC aircraft\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eKST MS825 V8.0\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMS825 V8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eServo Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard Digital HV 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\u003eBrushless DC Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContactless Hall Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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\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\u003e25kgf.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\u003e30kgf.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\u003e\u003cstrong\u003e35kgf.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\u003e\u003cstrong\u003e0.15 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\u003e\u003cstrong\u003e0.13 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\u003e\u003cstrong\u003e0.11 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\u003eHardened Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\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\u003e25T \/ 6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1520μs \/ 333Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault Travel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±100° \/ 200° total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40.5 × 20 × 38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70g ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoft Start\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgrammable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgrammable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe above values are based on KST's technical specification; the official sheet lists 35kgf.cm at 8.4V, 0.11 sec\/60°, contactless positioning, brushless motor, hardened steel gears, 2BB and the 40.5 × 20 × 38mm case.\u003c\/p\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × KST MS825 V8.0 HV Brushless 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\u003eThe MS825 V8.0 should be used with a suitable \u003cstrong\u003eHV receiver and power system\u003c\/strong\u003e capable of supplying sufficient current for the servo and the complete aircraft.\u003c\/p\u003e\n\u003cp\u003eFor large aircraft equipped with multiple high-torque servos, always ensure that the receiver power supply, wiring and BEC are appropriately rated for the expected current demand.\u003c\/p\u003e\n\u003ch3\u003eKST MS825 V8.0 – Precision, Speed and High Torque\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eKST MS825 V8.0\u003c\/strong\u003e is designed for pilots who demand more from their servos. With \u003cstrong\u003e35kgf.cm of torque, 0.11 sec\/60° speed, a brushless motor, hardened steel gears and a contactless Hall sensor\u003c\/strong\u003e, it delivers the precision, speed and durability required for demanding large-scale RC aircraft.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rc Planes","offers":[{"title":"Default Title","offer_id":58806043443584,"sku":null,"price":86.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/6954\/5344\/files\/01_2_5b796368-4e84-49c9-b533-d0a0bc53516a_1080x_jpg.jpg?v=1788004724","url":"https:\/\/www.rc-planes.nl\/fr\/products\/kst-ms825-v8-0-hv-brushless-servo-35kgf-cm-contactless-hall-sensor","provider":"Rc Planes","version":"1.0","type":"link"}