Overview
When building or repairing nano quadcopters, micro FPV drones, and custom indoor flying toys, weight and responsiveness are everything. The 8520 Coreless Motor is an ultra-reliable, high-RPM brushed DC motor specifically sized for micro aircraft (measuring 8.5mm in diameter and 20mm in length). Featuring a coreless design, these motors offer lightning-fast acceleration, low electrical noise, and high torque output relative to their tiny size. Powered effortlessly by a single 3.7V LiPo cell, they provide the exact thrust-to-weight ratio needed to get your mini drone airborne.
Key Features
Compact Coreless Design: Lightweight cylindrical form factor ensures minimal weight penalty on micro drone builds.
High RPM & Fast Response: Coreless architecture eliminates iron losses, delivering instant throttle response and high rotational speed.
Optimized for 3.7V Power: Designed to run efficiently on standard single-cell (1S) Lithium-Ion or LiPo batteries.
Color-Coded Wires: Pre-soldered with leads (typically Blue/Red for clockwise, Black/White for counter-clockwise variations or standard polarity) for easy wiring.
Technical Specifications
| Feature | Specification |
| Product Type | 8520 Coreless Brushed DC Motor |
| Motor Dimensions | 8.5mm (Diameter) x 20mm (Length) |
| Shaft Diameter | Approx. 1.0mm |
| Operating Voltage | DC 3.7V (1S LiPo / Li-ion) |
| No-Load Speed | High RPM (optimized for micro propellers) |
| Wiring | Pre-soldered power leads |
Common Applications
Micro Quadcopters & Drones: Perfect replacement motor for standard tiny whoops and custom 8520-frame micro drones.
DIY RC Airplanes: Excellent propulsion choice for indoor park flyers, rubber-band plane conversions, and gliders.
STEM Robotics & Mini Projects: Use in small mobile robots, miniature fans, or mechanical kinetic art pieces.
Note to customers: Pay close attention to propeller direction and motor rotation when replacing drone motors to ensure stable flight dynamics!
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