{"product_id":"src-mad-909-stablecore-a508-drone-arm-set","title":"MAD StableCore A508 Drone Arm Set 340KV Integrated Power System, 6S LiPo, IP45, 18x5.7 Folding Prop","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMAD StableCore A508 drone arm set is an integrated UAV power system designed for training drones, featuring a modular plug-and-play structure for rapid deployment and simplified maintenance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLightweight unit combo weight: 312±10 g (with propeller blades)\u003c\/li\u003e\n\u003cli\u003eMax thrust: 3.9 kg\/axis @24V sea level\u003c\/li\u003e\n\u003cli\u003eRecommended take-off weight: 1.2~1.5 kg\/axis @24V sea level\u003c\/li\u003e\n\u003cli\u003e18-inch matte folding propellers: 18x5.7 inch (463.5x144.78)\u003c\/li\u003e\n\u003cli\u003eIntelligent ESC with CAN\/PWM dual protocols\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -20~50°C\u003c\/li\u003e\n\u003cli\u003eProtection level: IP45\u003c\/li\u003e\n\u003cli\u003eHigh-temperature-resistant design: maximum temperature tolerance of 180°C\u003c\/li\u003e\n\u003cli\u003eSupports fault self-diagnosis to help reduce O\u0026amp;M costs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eStableCore A508\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKV\u003c\/td\u003e\n\u003ctd\u003e340KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax thrust\u003c\/td\u003e\n\u003ctd\u003e3.9 kg\/axis @24V sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended take-off weight\u003c\/td\u003e\n\u003ctd\u003e1.2~1.5 kg\/axis @24V sea level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended voltage\u003c\/td\u003e\n\u003ctd\u003e6S LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery support\u003c\/td\u003e\n\u003ctd\u003e3-6S (LiPo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20~50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection level\u003c\/td\u003e\n\u003ctd\u003eIP45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit combo weight\u003c\/td\u003e\n\u003ctd\u003e312±10 g (with propeller blades)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible carbon tube\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower cable\u003c\/td\u003e\n\u003ctd\u003e16AWG black and red (length: 700±10 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal cables\u003c\/td\u003e\n\u003ctd\u003eFlat cable (length: 850±10 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropeller diameter \/ pitch\u003c\/td\u003e\n\u003ctd\u003e18x5.7 inch (463.5x144.78)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePropeller unit weight\u003c\/td\u003e\n\u003ctd\u003e37 g\/pc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor stator size\u003c\/td\u003e\n\u003ctd\u003e50x8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor unit weight\u003c\/td\u003e\n\u003ctd\u003e126 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFOC ESC max input voltage\u003c\/td\u003e\n\u003ctd\u003e27 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFOC ESC max peak current\u003c\/td\u003e\n\u003ctd\u003e40 A (3S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFOC ESC continuous current (good heat dissipation)\u003c\/td\u003e\n\u003ctd\u003e15 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pulse width\u003c\/td\u003e\n\u003ctd\u003e1050-1950 us (curing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHighest supported signal frequency\u003c\/td\u003e\n\u003ctd\u003e50-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eEngineering drawing (key dimensions \u0026amp; mounting)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOverall length (side view): 96.9 mm\u003c\/li\u003e\n\u003cli\u003eFront view diameters: Ø56 mm, Ø55.2 mm\u003c\/li\u003e\n\u003cli\u003eCarbon tube depth: 31 mm (Ø25)\u003c\/li\u003e\n\u003cli\u003eMounting\/thread notes: M3-5; 4*M3-12; 15.5 mm\u003c\/li\u003e\n\u003cli\u003ePropeller span in drawing: 463.5 mm\u003c\/li\u003e\n\u003cli\u003eWiring labels: PWM (white), GND (black), CAN L (grey), CAN H (red), JP-3P male plug\u003c\/li\u003e\n\u003cli\u003eCable lengths in drawing: arranged cables 850±10 mm; power cable 700±10 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBenchmark (6S, propeller: HAVOC 18x5.7 folding)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle (%)\u003c\/td\u003e\n\u003ctd\u003eVoltage (V)\u003c\/td\u003e\n\u003ctd\u003eCurrent (A)\u003c\/td\u003e\n\u003ctd\u003eInput Power (W)\u003c\/td\u003e\n\u003ctd\u003eOutput Power (W)\u003c\/td\u003e\n\u003ctd\u003eTorque (N·m)\u003c\/td\u003e\n\u003ctd\u003eRPM\u003c\/td\u003e\n\u003ctd\u003eThrust (gf)\u003c\/td\u003e\n\u003ctd\u003eEfficiency (gf\/W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e24.57\u003c\/td\u003e\n\u003ctd\u003e1.93\u003c\/td\u003e\n\u003ctd\u003e47.4\u003c\/td\u003e\n\u003ctd\u003e33.3\u003c\/td\u003e\n\u003ctd\u003e0.139\u003c\/td\u003e\n\u003ctd\u003e2287\u003c\/td\u003e\n\u003ctd\u003e582\u003c\/td\u003e\n\u003ctd\u003e12.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e24.54\u003c\/td\u003e\n\u003ctd\u003e2.87\u003c\/td\u003e\n\u003ctd\u003e70.4\u003c\/td\u003e\n\u003ctd\u003e51.2\u003c\/td\u003e\n\u003ctd\u003e0.188\u003c\/td\u003e\n\u003ctd\u003e2599\u003c\/td\u003e\n\u003ctd\u003e783\u003c\/td\u003e\n\u003ctd\u003e11.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e24.49\u003c\/td\u003e\n\u003ctd\u003e3.88\u003c\/td\u003e\n\u003ctd\u003e95.1\u003c\/td\u003e\n\u003ctd\u003e70.9\u003c\/td\u003e\n\u003ctd\u003e0.233\u003c\/td\u003e\n\u003ctd\u003e2907\u003c\/td\u003e\n\u003ctd\u003e1000\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e24.44\u003c\/td\u003e\n\u003ctd\u003e5.24\u003c\/td\u003e\n\u003ctd\u003e128.0\u003c\/td\u003e\n\u003ctd\u003e98.5\u003c\/td\u003e\n\u003ctd\u003e0.293\u003c\/td\u003e\n\u003ctd\u003e3211\u003c\/td\u003e\n\u003ctd\u003e1242\u003c\/td\u003e\n\u003ctd\u003e9.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e24.38\u003c\/td\u003e\n\u003ctd\u003e6.96\u003c\/td\u003e\n\u003ctd\u003e169.8\u003c\/td\u003e\n\u003ctd\u003e132.4\u003c\/td\u003e\n\u003ctd\u003e0.355\u003c\/td\u003e\n\u003ctd\u003e3562\u003c\/td\u003e\n\u003ctd\u003e1505\u003c\/td\u003e\n\u003ctd\u003e8.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e24.31\u003c\/td\u003e\n\u003ctd\u003e8.58\u003c\/td\u003e\n\u003ctd\u003e208.6\u003c\/td\u003e\n\u003ctd\u003e164.3\u003c\/td\u003e\n\u003ctd\u003e0.409\u003c\/td\u003e\n\u003ctd\u003e3837\u003c\/td\u003e\n\u003ctd\u003e1768\u003c\/td\u003e\n\u003ctd\u003e8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e24.22\u003c\/td\u003e\n\u003ctd\u003e10.64\u003c\/td\u003e\n\u003ctd\u003e257.8\u003c\/td\u003e\n\u003ctd\u003e201.4\u003c\/td\u003e\n\u003ctd\u003e0.469\u003c\/td\u003e\n\u003ctd\u003e4100\u003c\/td\u003e\n\u003ctd\u003e2036\u003c\/td\u003e\n\u003ctd\u003e7.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e24.17\u003c\/td\u003e\n\u003ctd\u003e12.84\u003c\/td\u003e\n\u003ctd\u003e310.2\u003c\/td\u003e\n\u003ctd\u003e243.5\u003c\/td\u003e\n\u003ctd\u003e0.532\u003c\/td\u003e\n\u003ctd\u003e4370\u003c\/td\u003e\n\u003ctd\u003e2370\u003c\/td\u003e\n\u003ctd\u003e7.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e24.10\u003c\/td\u003e\n\u003ctd\u003e15.25\u003c\/td\u003e\n\u003ctd\u003e367.5\u003c\/td\u003e\n\u003ctd\u003e290.7\u003c\/td\u003e\n\u003ctd\u003e0.602\u003c\/td\u003e\n\u003ctd\u003e4611\u003c\/td\u003e\n\u003ctd\u003e2604\u003c\/td\u003e\n\u003ctd\u003e7.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e23.93\u003c\/td\u003e\n\u003ctd\u003e20.75\u003c\/td\u003e\n\u003ctd\u003e496.6\u003c\/td\u003e\n\u003ctd\u003e378.6\u003c\/td\u003e\n\u003ctd\u003e0.714\u003c\/td\u003e\n\u003ctd\u003e5063\u003c\/td\u003e\n\u003ctd\u003e3196\u003c\/td\u003e\n\u003ctd\u003e6.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e23.73\u003c\/td\u003e\n\u003ctd\u003e27.00\u003c\/td\u003e\n\u003ctd\u003e640.6\u003c\/td\u003e\n\u003ctd\u003e477.4\u003c\/td\u003e\n\u003ctd\u003e0.835\u003c\/td\u003e\n\u003ctd\u003e5460\u003c\/td\u003e\n\u003ctd\u003e3620\u003c\/td\u003e\n\u003ctd\u003e5.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e23.62\u003c\/td\u003e\n\u003ctd\u003e31.28\u003c\/td\u003e\n\u003ctd\u003e738.7\u003c\/td\u003e\n\u003ctd\u003e546.0\u003c\/td\u003e\n\u003ctd\u003e0.908\u003c\/td\u003e\n\u003ctd\u003e5742\u003c\/td\u003e\n\u003ctd\u003e3963\u003c\/td\u003e\n\u003ctd\u003e5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eFor best performance, operation at the recommended take-off weight is advised. Avoid overweight operation, as exceeding 1.2x the maximum recommended take-off weight can significantly affect performance and safety.\u003c\/p\u003e\u003ch2\u003eESC Operation \u0026amp; Protection\u003c\/h2\u003e\u003ch3\u003eOperation instructions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTurn on the transmitter with the throttle stick at the lowest position.\u003c\/li\u003e\n\u003cli\u003eConnect the system to the battery. The motor will emit a long “Ding------” tone indicating the ESC is ready for normal startup.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eESC protection functions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStall protection\u003c\/strong\u003e: Attempts motor restart after stall detection. If normal startup fails after a period, output is cut. Return PWM throttle signal to 0% to clear the error; normal operation resumes after restarting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercurrent protection\u003c\/strong\u003e: If current approaches short-circuit levels for an extended period, output is cut off. Repower the ESC to resume normal operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOS over-temperature warning\u003c\/strong\u003e: When MOS temperature exceeds 105°C, warning lights flash until MOS temperature drops below 65°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower-on overvoltage\/undervoltage protection\u003c\/strong\u003e: On power-on, voltage below 9 V or above 28 V triggers an overvoltage\/undervoltage alarm and prevents normal motor startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle signal loss protection\u003c\/strong\u003e: Output is cut immediately when throttle signal loss is detected; output resumes automatically when the signal is restored.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAudible tone explanations\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound pattern\u003c\/td\u003e\n\u003ctd\u003eMeaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e“Di, Di, Di” (rapid short beeps)\u003c\/td\u003e\n\u003ctd\u003eThrottle not at zero position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e“Di---” (repeating short beep)\u003c\/td\u003e\n\u003ctd\u003eThrottle signal lost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e“Di--- Di---” (repeating two short beeps + two short light flashes)\u003c\/td\u003e\n\u003ctd\u003eESC power-on self-test: Voltage too low (\u0026lt;9 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e“Di--- Di--- Di---” (repeating three short beeps + three short light flashes)\u003c\/td\u003e\n\u003ctd\u003eESC power-on self-test: Voltage too high\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eFlash light instructions\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash pattern\u003c\/td\u003e\n\u003ctd\u003eMeaning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSingle short flash (repeating)\u003c\/td\u003e\n\u003ctd\u003eOvercurrent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo short flashes (repeating)\u003c\/td\u003e\n\u003ctd\u003eMotor stall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThree short flashes (repeating)\u003c\/td\u003e\n\u003ctd\u003eMOS over-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFour short flashes (repeating)\u003c\/td\u003e\n\u003ctd\u003eCapacitor over-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOne long + two short flashes (repeating)\u003c\/td\u003e\n\u003ctd\u003eThrottle signal lost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTwo long + three short flashes (repeating)\u003c\/td\u003e\n\u003ctd\u003eMOS self-test abnormal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTraining UAV \/ training drone platforms\u003c\/li\u003e\n\u003cli\u003eExpanded multi-scenario use: aerial photography, surveying, mapping, and public safety tasks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor compatibility questions (airframe, carbon tube size, wiring, or ESC protocol), contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"MAD StableCore A508 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-StableCore-A508-Drone-Arm-Set.jpg?v=1777280773\"\u003e\u003cp\u003eThe MAD StableCore A508 drone arm integrates the motor, 18-inch folding propeller, and ESC for a lightweight, modular UAV setup.\u003c\/p\u003e\n\u003cimg alt=\"MAD StableCore A508 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-StableCore-A508-Drone-Arm-Set_ea327c2d-fe08-4389-b418-fc41ef12e74b.jpg?v=1777280779\"\u003e\u003cp\u003e\u003ca href=\"https:\/\/rcdrone.top\/collections\/mad-motor\" title=\"MAD Motor\"\u003eMAD\u003c\/a\u003e StableCore A508 KV340 specifications list 4–5S LiPo compatibility, 25 mm carbon tube fit, and operating temperature range.\u003c\/p\u003e\n\u003cimg alt=\"MAD StableCore A508 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-StableCore-A508-Drone-Arm-Set_58bf65df-09a1-4d0b-b342-14351af73de4.jpg?v=1777280784\"\u003e\u003cp\u003eMAD StableCore A508 benchmark data lists 6S test results across throttle settings, including thrust, RPM, input\/output power, and efficiency.\u003c\/p\u003e\n\u003cimg alt=\"MAD StableCore A508 Drone Arm Set\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/MAD-StableCore-A508-Drone-Arm-Set_2b221bec-dc7b-460b-8910-928e2452796b.jpg?v=1777280791\"\u003e\u003cp\u003eThe ESC operation guide lists startup steps, common protection modes, and tone\/flash patterns to help diagnose throttle and voltage issues.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAD","offers":[{"title":"340KV \/ CW \/ Red","offer_id":52200037351648,"sku":"0104DL0908","price":149.99,"currency_code":"USD","in_stock":true},{"title":"340KV \/ CW \/ Green","offer_id":52200037384416,"sku":"0104DL0909","price":149.99,"currency_code":"USD","in_stock":true},{"title":"340KV \/ CCW \/ Red","offer_id":52200037417184,"sku":"0104DL0907","price":149.99,"currency_code":"USD","in_stock":true},{"title":"340KV \/ CCW \/ Green","offer_id":52200037449952,"sku":"0104DL0910","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/3-207e.jpg?v=1777249386","url":"https:\/\/rcdrone.top\/products\/src-mad-909-stablecore-a508-drone-arm-set","provider":"RCDrone","version":"1.0","type":"link"}