SunnySky X3520 Brushless Motor 720KV
by SunnySky

Upgrade your RC plane, drone, or multi-rotor with the powerful and efficient SunnySky X3520 Brushless Motor 720KV. Part of the renowned SunnySky X series, this motor is CNC milled with a hollow design for enhanced heat dissipation and lighter weight—helping you achieve smoother flights and longer run times. The 420 stainless steel shaft (imported from Japan) offers superior strength and durability, while top and bottom caps made of 6061-T6 aviation aluminum alloy ensure reliable performance under high-stress conditions. Equipped with imported NMB bearings for quieter, stable operation, the X3520 is hand-wound for maximum coil density and sustained power output. Perfect for 4-5S LiPo setups and recommended with an 80-100A ESC, it delivers up to 1500W of continuous power. Whether you’re flying RC airplanes, drones, or multi-rotors, the SunnySky X3520’s robust design, high torque, and efficient cooling make it a top choice for hobbyists seeking top-tier, long-lasting performance.

Specifications:

• Stator Diameter: 35mm
• Rotor Diameter: 42.5mm
• Stator Thickness: 20mm
• Shaft Diameter: 5mm
• Number of Stator Slots: 12
• Body Length (Without Shaft): 45mm
• Overall Body Length: 64mm
• Number of Rotor Poles: 14
• KV Rating: 720
• Max LiPo Cell: 4-5S
• No-Load Current: 1.4A/10V
• Recommended ESC: 80-100A
• Motor Resistance: 19mΩ
• Recommended Prop (inch): APC12×6, APC12×8, APC13×6.5, APC13×8, DXL14×8
• Max Continuous Current (30s): 72A
• Max Continuous Power: 1500W
• Weight: 210g