SKU: DRFC-2480
📋 GST Invoice Available

SunnySky V4006 KV320 Brushless Motor

₹7,339.00 (Inclusive of all taxes)
Out of Stock

The SunnySky V4006 KV320 is a high-efficiency brushless motor engineered for long-endurance multirotor and heavy-lift UAV applications, featuring a 40mm stator diameter and optimized for low-RPM torque and stable flight performance.

Features

  • High-efficiency 40mm stator design optimized for long flight times and stable power delivery.
  • KV rating of 320 provides high torque at low RPMs, ideal for large propellers and heavy-lift platforms.
  • Constructed with Japanese EZO bearings and a precision-balanced rotor for smooth, quiet, and reliable operation.
  • Lightweight, hollow-cut motor cap maximizes the thrust-to-weight ratio for extended endurance.
  • Rated for continuous current up to 15A (60s) with a maximum power handling of 375W.

Out of stock

Description

The SunnySky V4006 motor is part of the V series, specifically engineered for professional-grade multirotor aircraft requiring extended flight times and stable power output. Its 40mm stator diameter and 6mm thickness, combined with an 18N24P magnetic configuration, are optimized to produce significant torque at lower rotational speeds, maximizing efficiency during cruise and loiter flight phases.

Structural integrity is ensured through a patented stepped and knurled design on the motor base, which prevents loosening during operation and maintains consistent power delivery. The integration of high-quality Japanese EZO bearings minimizes friction and vibration, contributing to the motor’s smooth performance and longevity under continuous load.

Key Features

  • High-efficiency 40mm stator (18N24P) design for optimal torque and flight endurance.
  • Precision-balanced rotor assembly with axial and radial runout controlled to tight tolerances.
  • Patented stepped and knurled base design prevents motor loosening and ensures stable mounting.
  • High-quality Japanese EZO bearings provide quiet, low-friction, and reliable operation.
  • Lightweight, hollow-cut aluminum motor cap reduces overall weight for improved thrust-to-weight ratio.
  • Rated for continuous 15A current (60s) with a peak power output of 375W.
  • Performance variance between motors is controlled within 3% for consistent, predictable power delivery.
  • Designed for compatibility with 20-30A ESCs and large-diameter propellers (e.g., 13x5 to 17x6.2 inches).

Applications

  • Heavy-lift and long-endurance mapping, surveying, and inspection drones.
  • Large cinematic and professional photography multirotor platforms.
  • Agricultural sprayer or payload-carrying UAVs requiring stable, efficient power.
  • Experimental and custom-built multirotor aircraft designed for maximum flight time.

Technical Specifications

Motor KV (RPM/V)320 KV
Motor TypeBrushless Outrunner
Stator Diameter40mm
Stator Thickness6mm
Stator Configuration (N/P)18N24P
No-Load Current (@10V)0.3A
Motor Resistance (Phase)230 mΩ
Continuous Current (60s)15A
Max Power375W
Weight66g
Outer Diameter43.6mm
Motor Body Length18mm
Recommended ESC20-30A
Recommended PropellersEOLO CN13x5, CN15x5.5, CN17x6.2
Max Recommended Takeoff Weight≤600g per motor

Frequently Asked Questions

What is the maximum recommended takeoff weight per motor for the SunnySky V4006?

The manufacturer recommends a maximum single takeoff weight of ≤600 grams per motor. For a quadcopter, this translates to a total AUW (All-Up Weight) of approximately 2.4 kg when using four V4006 motors, ensuring they operate within their peak efficiency range for extended flight times.

What size Electronic Speed Controller (ESC) is required for the V4006 KV320 motor?

A 20-30A ESC is recommended for optimal performance. Given the motor's continuous current rating of 15A (60s), a 30A ESC provides a comfortable overhead for demanding maneuvers and ensures reliable operation, especially when paired with large propellers that increase load.

What type of propellers are compatible with the SunnySky V4006 motor?

This motor is optimized for large, slow-fly propellers to leverage its high-torque, low-KV design. Recommended propellers include the EOLO series, such as the CN13x5, CN15x5.5, and CN17x6.2. These large-diameter props are ideal for generating efficient thrust on heavy-lift and long-endurance platforms.

What are the key design features that contribute to the V4006's reliability?

Key reliability features include the patented stepped and knurled motor base design, which prevents loosening, and the use of high-precision Japanese EZO bearings for smooth rotation. Furthermore, each motor undergoes dynamic balancing and strict runout testing, with performance variance controlled within 3% for consistent power output.

Package Includes

  • 1 x SunnySky V4006 KV320 Brushless Motor

Additional Information

Weight 0.066 kg
Dimensions 1.8 × 4.36 × 4.36 cm