{"product_id":"src-mad-561-9x12-ii-coaxial-drone-arm-set","title":"MAD 9X12-II Coaxial Drone Arm Set Product Type | 12S Circular FOC 60A, M9C12 Motor, 32x9.6 Propeller","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMAD 9X12-II Coaxial Drone Arm Set is a product type for multirotor UAV coaxial propulsion\/arm integration. It is specified for recommended take-off weight 7000g-9000g per rotor (at 48V, sea level) and lists max thrust 22643g per rotor (at 48V, sea level). The system features neat cable arrangement, easy installation, and Field-Oriented Control (FOC).\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIntegrated propulsion system for coaxial multirotor arms\u003c\/li\u003e\n\u003cli\u003eField-Oriented Control (FOC) sine-wave driving mode\u003c\/li\u003e\n\u003cli\u003eNeat cable arrangement; designed for easier installation\u003c\/li\u003e\n\u003cli\u003eRed\/green LED heading light integrated at the bottom of the power pack\u003c\/li\u003e\n\u003cli\u003eCompatible carbon tube: 40mm\u003c\/li\u003e\n\u003cli\u003eCAN communication: DroneCan\u003c\/li\u003e\n\u003cli\u003eCompatibility: Ardupilot\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor installation and selection support, contact https:\/\/rcdrone.top\/ or support@rcdrone.top.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMAD 9X12-II (KV100 shown in parameter table)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax thrust\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22643g \/ rotor @48V (sea level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended take-off weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7000g-9000g \/ rotor @48V (sea level)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12S Lipo (ESC table also lists 12S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20~60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit combo weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1533g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtension wire length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1300mm\/1300mm (Input\/Signal Wires)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible carbon tube\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePropeller diameter\/pitch options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32x9.6inch (812.8x243.8mm); 32x11inch (812.8x279.4mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePropeller unit weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e127g\/pc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor stator size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e91x12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor unit weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e453g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC model name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCircular 60A FOC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC max input voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60.9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC maximum allowable current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60A (10S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESC maximum continuous current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax throttle signal frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e450Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eArdupilot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCAN communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDroneCan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eBenchmarks (12S, Circular FOC 60A (6-14S), Fluxer Pro 32x9.6 MATT)\u003c\/h2\u003e\u003cp\u003eBenchmark tables are provided for TOP and BOTTOM positions. Table columns shown: Throttle (%), Voltage (V), Current (A), Input Power (W), Output Power (W), Torque (N·m), RPM, Thrust (gf), Efficiency (%), Efficiency (gf\/W). Temperature limits shown: TOP max 84°C; BOTTOM max 76°C.\u003c\/p\u003e\u003ch2\u003eTroubleshooting\u003c\/h2\u003e\u003cp\u003eStatus can be judged by LED indicator and emitted sounds. The documentation provides fault symptoms, possible causes, and solutions for self-check and operation, including items such as throttle PWM signal missing\/misidentified, high throttle detected at power-on, motor circuit disconnection, abnormal supply voltage, controller hardware abnormalities, motor start failure\/stall protection, short circuit\/overcurrent protection, loss of PWM signal during operation, and high temperature detection.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMax thrust (marketing text): 19.9kgF\/rotor; recommended working range: 8-10kgF\/rotor\u003c\/li\u003e\n\u003cli\u003eNeat cable arrangement and easy to install\u003c\/li\u003e\n\u003cli\u003eUltralight weight for industrial multirotor applications including mapping, aerial inspection, search and rescue, and more\u003c\/li\u003e\n\u003cli\u003eField-Oriented control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails\u003c\/h2\u003e\u003cimg alt=\"MAD 9X12-II coaxial drone arm with integrated propulsion system, MC912 motor, 60A14S ESC and 3296 propeller\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set.jpg?v=1777284857\"\u003e\u003cp\u003eThe MAD 9X12-II integrates the MC912 motor, 60A14S ESC, and 3296 propeller into a coaxial arm power system for multirotor builds.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, Exploded view of high-efficiency disc motor and controller PCB with capacitors, labeled 7–9 kg load and sine-wave drive\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_1736cdb2-8bd8-4b14-830f-3477f47943cf.jpg?v=1777284867\"\u003e\u003cp\u003eThe high-efficiency disc motor and sine-wave drive controller are designed for smooth operation and stable thrust under load.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, Coaxial drone propellers with central motor hub featuring red and green LED heading lights, plus carbon fiber blades\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_22667cba-bc6b-43c3-96b3-e6e3d4db4b96.jpg?v=1777284877\"\u003e\u003cp\u003eThe coaxial propeller setup pairs carbon fiber blades with a central power pack that includes red and green LED heading lights.\u003c\/p\u003e\u003cimg alt=\"Technical drawing of MAD 9X12-II coaxial drone arm with propeller layout and key dimensions in mm\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_35b0b189-84cf-417e-bfc6-6e9ef8f019a8.jpg?v=1777284887\"\u003e\u003cp\u003eThe MAD 9X12-II drawing provides key measurements like the 813.64 mm span and Ø113.68 mm hub diameter to help confirm fitment.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, MAD 9X12-II KV100 coaxial power system parameter table showing thrust, 12S voltage, prop sizes, and ESC specs\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_6fb135da-c7d2-4113-8318-9f755f6fd75c.jpg?v=1777284895\"\u003e\u003cp\u003eThe MAD 9X12-II KV100 setup lists key specs like 12S LiPo voltage, 32-inch prop options, and a 60A FOC ESC with DroneCAN support.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, Benchmark spec table for MAD 9X12-II 100KV coaxial drone arm on 12S, showing thrust, RPM, power, and efficiency.\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_e426e208-3881-44dd-b39e-484d5ed1b634.jpg?v=1777284906\"\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/mad-motor\" title=\"MAD Motor\"\u003eMAD\u003c\/a\u003e 9X12-II 100KV test results on a 12S setup list throttle-by-throttle data for thrust, RPM, power draw, torque, and efficiency for both top and bottom configurations.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, Troubleshooting table for drone ESC with LED indicator and sound symptoms, causes, and recommended solutions\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_08e15109-677d-465a-8517-a4514cd5905f.jpg?v=1777284917\"\u003e\u003cp\u003eThe included ESC troubleshooting guide pairs LED indicator patterns and beep codes with likely causes and setup fixes.\u003c\/p\u003e\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm, Indicator lights and audible alerts troubleshooting table for a motor controller with fault symptoms, causes, and solutions\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_3e897999-cce8-4d0b-9c07-de318978fde9.jpg?v=1777284928\"\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set.jpg?v=1777284857\"\u003e\u003cp\u003eThe MAD 9X12-II coaxial drone arm combines a coaxial motor module with matching MC912 motor, 60A14S ESC, and 3296 propeller set.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_1736cdb2-8bd8-4b14-830f-3477f47943cf.jpg?v=1777284867\"\u003e\u003cp\u003eA high-efficiency disc motor pairs with an intelligent sine-wave controller board for smoother, quieter drive control.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_22667cba-bc6b-43c3-96b3-e6e3d4db4b96.jpg?v=1777284877\"\u003e\u003cp\u003eThe carbon fiber propeller set includes a central power pack with a red\/green LED status indicator for quick checks before flight.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_35b0b189-84cf-417e-bfc6-6e9ef8f019a8.jpg?v=1777284887\"\u003e\u003cp\u003eThe MAD 9X12-II coaxial drone arm diagram provides key measurements for fitting the arm and prop layout into your build.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_6fb135da-c7d2-4113-8318-9f755f6fd75c.jpg?v=1777284895\"\u003e\u003cp\u003eMAD 9X12-II coaxial drone arm parameters include 12S LiPo operation, a 40 mm compatible carbon tube, and a DroneCAN\/Ardupilot-ready 60A FOC ESC.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_e426e208-3881-44dd-b39e-484d5ed1b634.jpg?v=1777284906\"\u003e\u003cp\u003eMAD 9x12-II 100KV benchmark results list top and bottom performance on 12S, including current, power, thrust, RPM, and efficiency, with a noted max temperature of 84°C.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_08e15109-677d-465a-8517-a4514cd5905f.jpg?v=1777284917\"\u003e\u003cp\u003eThe troubleshooting guide outlines common LED and sound patterns, likely causes, and practical steps for resolving ESC power and signal issues.\u003c\/p\u003e\n\u003cimg alt=\"MAD 9X12-II Coaxial Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-9X12-II-Coaxial-Drone-Arm-Set_3e897999-cce8-4d0b-9c07-de318978fde9.jpg?v=1777284928\"\u003e\u003cp\u003eA quick-reference guide lists common motor controller faults, possible causes, and recommended solutions based on indicator lights and audible alerts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"Green \/ CW(Top)+CCW(Bot) \/ 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CCW(Top)+CW(Bot) \/ 32*9.6","offer_id":52200054063328,"sku":"0104DL0485","price":1273.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/a4181532d4.png?v=1777250404","url":"https:\/\/rcdrone.top\/products\/src-mad-561-9x12-ii-coaxial-drone-arm-set","provider":"RCDrone","version":"1.0","type":"link"}