DarwinFPV 4320 350KV Brushless Motor for 13-15in X-Class FPV Drones, 12S 48V, NSK Bearings
DarwinFPV 4320 350KV Brushless Motor for 13-15in X-Class FPV Drones, 12S 48V, NSK Bearings
DarwinFPV
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Overview
The DarwinFPV 4320 350KV brushless motor is designed for 13–15 inch X-Class FPV racing drones, and can also be used on aerial photography multirotors or fixed-wing aircraft that require heavier payload capability.
Key Features
- Japanese NSK bearings for smooth, silent operation and impact durability.
- Customized N52H high-temperature-resistant arc-shaped magnets for stronger magnetic force and increased pulling power.
- Multi-strand winding for higher slot fill factor, stated to deliver 4% longer flight time compared to single-strand motors.
- Dual-security fixation using circlips and countersunk screws at the bottom for a sturdier, more impact-resistant shaft.
- M6 stainless steel shaft compatible with most propeller mounting holes available in the market.
Specifications
| Model | DarwinFPV 4320 350KV Motor |
| KV | 350KV |
| Stator Dimension | Φ43×20mm |
| Rated Voltage | 48V (12S LiPo) |
| Idle Current | 1.09A(24V) |
| Maximum Current | 69.8A |
| Maximum Power | 3455.1W |
| Framework | 12N14P |
| Prop Shaft | Φ6×25.5mm |
| Interphase Resistance | 53mΩ |
| Bearing Specification | Φ6×Φ13×6mm |
| Rotor | split |
| Magnet | N52H |
| Winding | Multi-stranded copper winding |
| Lead Wire Size | 16AWG×600mm |
| Mounting Holes | 30×30mm (M4) |
| Dimensions | Φ50.5×68.6mm |
| Weight (Including wires) | 302±0.2g |
| Package Dimension | 77×77×54mm |
Thrust Test Data
| Model | Propeller | Throttle (%) | Voltage (V) | Speed (RPM/MIN) | Current (A) | Thrust (g) | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|---|
| 4320 (350kv) | GF13083R | 50 | 50 | 7728 | 9.7 | 2568 | 485 | 5.29 |
| 4320 (350kv) | GF13083R | 60 | 50 | 9083 | 16 | 3569 | 800 | 4.46 |
| 4320 (350kv) | GF13083R | 70 | 50 | 10296 | 24.5 | 4751 | 1225 | 3.88 |
| 4320 (350kv) | GF13083R | 80 | 50 | 11399 | 35.3 | 6001 | 1765 | 3.40 |
| 4320 (350kv) | GF13083R | 90 | 50 | 12516 | 50 | 7426 | 2500 | 2.97 |
| 4320 (350kv) | GF13083R | 100 | 50 | 13698 | 69.8 | 8750 | 3490 | 2.51 |
What’s Included
- 1 × 4320-350KV motor
- 5 × M4*12 Hexagon socket head screw
- 1 × Sticker
Applications
- 13–15 inch X-Class FPV racing drones
- Heavy-lift multirotors for aerial photography
- Fixed-wing aircraft requiring higher payload capability
For compatibility questions (propellers, ESC selection, and mounting), contact support@rcdrone.top or visit https://rcdrone.top/.
Details
Japanese NSK bearings help keep operation smooth and quiet while improving impact durability on larger builds.
Customized N52H high‑temperature arc magnets are tuned for stronger magnetic force and pulling power.
Multi‑strand winding increases slot fill for better efficiency compared with single‑strand motor windings.
Dual-security fixation with circlips and countersunk screws supports a sturdier, more impact‑resistant shaft.
Key specifications at a glance for matching the motor with the right frame, prop, and ESC.
Thrust test results with GF13083R prop provide a reference for performance across throttle levels.
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