SKU: DRFC-2479
📋 GST Invoice Available

SunnySky V4008 KV380 Brushless Motor

₹7,879.00 (Inclusive of all taxes)
Out of Stock

The SunnySky V4008 KV380 is a high-efficiency brushless motor engineered for long-endurance multirotor platforms, featuring a 40mm stator diameter and a 380KV rating optimized for low-RPM torque and stable, quiet flight with Japanese EZO bearings.

Features

  • High-efficiency 40mm stator design (V4008) optimized for long-flight-time multirotors.
  • 380KV rating delivers high torque at low RPM for stable, efficient cruise performance.
  • Features original Japanese EZO bearings and a patented stepped/knurled shaft design for reliability.
  • Dynamically balanced with strict QC, ensuring performance variance within 3% for precise power delivery.
  • Rated for up to 20A continuous current (30s) and 500W max power, compatible with 30-40A ESCs.

Out of stock

Description

The SunnySky V4008 series represents a specialized line of brushless motors designed from the ground up for extended flight endurance in multirotor applications. Its core engineering prioritizes a high thrust-to-weight ratio through a lightweight, hollow-cut motor cap and a robust stator measuring 40mm in diameter and 8mm in thickness. This configuration, combined with the 380KV winding, allows the motor to operate at peak efficiency during sustained flight, producing ample torque at lower rotational speeds.

Structural integrity and operational smoothness are ensured by SunnySky’s patented stepped and knurled shaft design, which prevents loosening, and the integration of premium Japanese EZO bearings. Each unit undergoes rigorous dynamic balancing and runout testing, guaranteeing minimal performance deviation and providing the consistent, reliable power output required for professional cinematic and mapping drones.

Key Features

  • V-Series design optimized for endurance with a 40mm stator diameter and 8mm thickness.
  • 380KV winding provides optimal torque for efficient, low-RPM operation on larger propellers.
  • Patented stepped and knurled shaft design prevents prop adapter loosening during flight.
  • High-quality Japanese EZO bearings ensure smooth, quiet, and reliable rotation.
  • Lightweight, hollow-cut motor cap maximizes the thrust-to-weight ratio.
  • Factory dynamic balancing and strict QC protocols keep performance variance under 3%.
  • Robust construction supports continuous current up to 20A and peak power of 500W.
  • Compatible with a wide range of large-scale propellers for heavy-lift and cinematic platforms.

Applications

  • Heavy-lift cinematic drones requiring stable, efficient power for gimbal and camera payloads.
  • Long-endurance mapping and surveying multirotors (e.g., fixed-wing style or large quadcopters).
  • Large-scale FPV platforms where low KV and high torque are prioritized over extreme acrobatics.
  • Custom-built multirotors designed for maximum flight time with large-diameter propellers (12-17 inch).
  • Industrial inspection drones where reliable, consistent motor performance is critical.

Technical Specifications

Motor KV380 KV
Stator Diameter40 mm
Stator Thickness8 mm
Stator Arms18
Rotor Poles24
No-Load Current (10V)0.5 A
Motor Resistance131 mΩ
Continuous Current20 A (30s)
Max Power500 W
Weight105 g
Outer Diameter44.3 mm
Body Length20 mm
Recommended ESC30-40 A
Recommended PropellersEOLO CN12x5, CN13x5, CN15x5.5, CN17x6.2

Frequently Asked Questions

What is the recommended ESC for the SunnySky V4008 KV380 motor?

A 30-40A Electronic Speed Controller (ESC) is recommended for optimal performance with the V4008 KV380. This ensures the ESC can handle the motor's continuous current rating of 20A and provides sufficient headroom for peak power demands during flight, especially when using the recommended large-scale propellers.

What type of propellers are compatible with this 380KV motor?

This motor is designed for large-diameter, low-pitch propellers typical of endurance and heavy-lift platforms. Compatible examples include the EOLO CN12x5, CN13x5, CN15x5.5, and CN17x6.2. The low KV rating provides the necessary torque to spin these larger props efficiently at lower RPMs for extended flight times.

Is this motor suitable for high-speed FPV racing or freestyle?

No, the SunnySky V4008 KV380 is not designed for high-speed racing or acrobatic freestyle. Its 380KV rating and stator design are optimized for efficiency, torque, and stability at lower RPMs, making it ideal for long-endurance flight, aerial photography, mapping, and heavy-lift applications where flight time is prioritized over agility.

What are the key benefits of the stepped and knurled shaft design?

The patented stepped and knurled shaft design mechanically locks the prop adapter in place, preventing it from loosening due to vibration or torque changes during flight. This enhances reliability, reduces the risk of in-flight failure, and ensures consistent power transfer from the motor to the propeller.

Package Includes

  • 1 x SunnySky V4008 KV380 Brushless Motor

Additional Information

Weight 0.105 kg