Overview
The MAD 6X12 PRO L 170KV Coaxial Contra-Rotating Drone Arm Set is a high-performance propulsion system designed for industrial UAV applications requiring high thrust, stability, and efficiency. It features a contra-rotating coaxial design, enabling superior force balancing, reduced torque effects, and enhanced flight performance. With a maximum thrust of 15kgF per rotor at 48V, this system supports a payload capacity of 5.5-7.5kg per arm, making it ideal for heavy-lift drones used in mapping, inspection, firefighting, military operations, and search & rescue missions. The integrated M6C12 brushless motor, 60A intelligent FOC ESC, and Havoc 24x7.5-inch folding carbon fiber propellers provide unmatched reliability and efficiency in demanding environments.
Specifications
Parameter | Value |
---|---|
Max Thrust | 17.6kgF per rotor @48V (Sea Level) |
Payload Capacity | 5.5-7.5kg per arm |
Recommended Takeoff Weight | 5.5-7.5kg per rotor |
Voltage | 12S LiPo |
Operating Temperature | -10°C to 65°C |
Unit Weight | 1306g (including motor, propeller, ESC, support) |
Carbon Tube Compatibility | 30mm diameter |
Battery/Signal Cable Length | 1200mm (black/red) |
ESC Model | AMPX FOC 60A |
Max ESC Voltage | 60V |
Max ESC Current | 20A continuous |
Propeller | Havoc 24x7.5-inch Folding Carbon Fiber |
Propeller Unit Weight | 88g per piece |
Motor Model | M6C12 170KV |
Motor Stator Size | 64 x 12mm |
Rotation Options | CW(Top) + CCW(Bottom) / CCW(Top) + CW(Bottom) |
Features
- Contra-Rotating Coaxial Design: Reduces torque effects and improves flight stability for precise maneuverability.
- High Thrust Capability: Capable of 17.6kgF max thrust per rotor, supporting payloads up to 7.5kg per arm.
- Intelligent Power Modulation: The 60A FOC ESC provides smooth throttle response, enhanced efficiency, and built-in over-voltage, over-current, over-temperature, and short-circuit protection.
- Aerodynamic Folding Carbon Fiber Propellers: The 24x7.5-inch Havoc propellers improve flight efficiency, reduce vibration, and optimize dynamic balance for longer endurance.
- Lightweight & Durable Construction: The M6C12 brushless motor and carbon fiber composite materials offer superior durability while keeping the system lightweight.
- Smart Safety Features: Includes hardware self-test programs to detect faults and ensure operational safety.
- Wide Operating Temperature Range: Designed for -10°C to 65°C conditions, making it suitable for extreme industrial applications.
Applications
- Aerial Mapping & Surveying
- Industrial Inspection & Monitoring
- Firefighting & Emergency Response
- Search & Rescue Operations
- Heavy Cargo Transport
- Agriculture & Forestry UAVs
- Military & Defense UAV Missions
The MAD 6X12 PRO L 170KV Coaxial Contra-Rotating Drone Arm Set delivers enhanced stability, powerful thrust, and efficient performance, making it the perfect solution for industrial and commercial UAV applications demanding precision, reliability, and endurance.
Details

MAD 6X12 PRO L Coaxial Contra-Rotating propeller is a dual-layer power system for UAVs, focusing on force efficiency, safety, and endurance. It integrates a high-efficiency motor, intelligent ESC, and special carbon fiber propellers, suitable for professional aerial photography and surveying tasks.

High efficiency brushless motor with new iron core design, lightweight, precise workmanship. 5~7KG rotor @48V. Intelligent sine wave electric modulation ensures safety with early warning and protection functions. Optimized control algorithm for fast throttle response and stability in harsh environments.

High Quality Carbon Fiber Propeller. Havoc 24X7.5 inch propeller uses ultra-light carbon fiber and unique mirror light treatment. Imported materials and core lightening technology increase flight time, improve efficiency, reduce vibration and noise. Combined with a 6x12 PRO L brushless motor, the power system is more efficient.

Product drawing details a 6X12 PRO L coaxial contra-rotating propeller system. Parameters include max thrust of 17649g/rotor, recommended take-off weight of 5500g-7500g/rotor, and operating temperature range from -10°C to 65°C. Compatible with 30x30mm carbon tubes, featuring a motor stator size of 64x12mm and an ESC max continuous current of 20A.

Data tables compare performance metrics of MAD 6X12 PRO L KV170 motors with HAVOC 24X7.5IN Folding props and AMPX FOC 60A ESCs in TOP and BOTTOM configurations at various throttle percentages. Key parameters include voltage, current, power, torque, RPM, thrust, efficiency, and temperature limits. Coaxial mode tension loss is about 25%.

Troubleshooting guide for ESC status using LED indicators and sounds. Lists symptoms, causes, and solutions for various issues like motor not starting, abnormal indicator lights, and audible alerts. Covers faults during self-check and operation, providing steps to resolve problems with motors, controllers, and connections.