R5315 500KV Brushless Motor – Heavy-Duty High-Power for VTOL & Agricultural Drones
The FlashEagle R5315 500KV is a professional-grade high-power brushless motor engineered for VTOL (Vertical Take-Off and Landing) and crop duster drones. With a robust heavy-duty design, IP67 water & dust resistance, and wide voltage compatibility, it delivers reliable performance in harsh agricultural and industrial operating environments.
Key Features
High Efficiency: Up to 90% motor efficiency, reducing energy loss and extending flight time for long-range agricultural missions.
Wide Voltage Compatibility: Supports 6S~12S LiPo batteries, flexible for various heavy-lift drone configurations.
IP67 Protection: Waterproof and dustproof rating, ideal for outdoor agricultural operations and resistant to rain, dust, and debris.
Dynamic Balanced Rotor: Precision dynamic balancing ensures minimal vibration and stable flight control, critical for precise VTOL maneuvers and stable crop spraying.
Ultra-High Power Output: Max continuous power of 3180W (8S) and 113A max continuous current, providing strong thrust for heavy-lift VTOL and agricultural drone tasks.
Heavy Duty Design: Built for long-term heavy-load operations, ensuring durability and reliability in demanding conditions.
Performance Highlights
Tested under 32V with HQ1508-3R propeller (ambient temperature 28°C):
Delivers a maximum thrust of 8167g at 100% throttle, with a peak power of 3180.8W.
Maintains high efficiency across throttle ranges, with optimal efficiency of 7.43g/W at 20% throttle for extended flight endurance.
Operates at a stable 55°C under full load, ensuring excellent thermal performance during prolonged operations.
Recommended Setup
ESC: 8S 120A Electronic Speed Controller (matched for optimal power delivery)
Propeller: HQ1508-3R Propeller (tested for best thrust and efficiency in VTOL and agricultural applications)
Core Specifications
| Parameter | Value |
|---|
| Brand | XMJ |
| Model | R5315 500KV |
| Net Weight | 320g |
| Motor Dimension (Diameter * Length) | 60.6 * 61.7mm |
| Shaft Diameter of Propeller Adapter | M6 |
| Propeller Mounting Holes | / |
| Motor Mounting Holes | Ø30 4-M4 |
| Configuration (Slots/Poles) | 12N14P |
| Rated Voltage | 6-12S |
| Supported Lipo Battery Cells | 6S~12S LiPo |
| Rated Current | 2.5A |
| Max Continuous Current | 113A |
| Max Continuous Power | 3180W/8S |
| No-load Current (@32V) | 2.89A @32V |
| Motor Efficiency | 90% |
| Internal Resistance | 16mΩ |
| Motor Cable Length | 14AWG 400mm |
| Dynamic Balanced Rotor | Yes |
| Heavy Duty Design | Yes |
| Water & Dust Proof | Yes (IP67) |
| Recommended ESC | 8S 120A |
| Recommended Propeller | HQ1508-3R Propeller |
| Application | For VTOL & Crop Duster Drones |
Performance Test Report (Test Condition: 32V, HQ1508-3R Propeller, Ambient Temp 28°C)
| Throttle | Amps (A) | Watts (W) | Thrust (g) | RPM | Efficiency (g/W) | Operating Temp (°C) |
|---|
| 20% | 1.80 | 57.60 | 428 | 2635 | 7.43 | 55 |
| 30% | 4.79 | 153.28 | 1063 | 3476 | 6.94 | 55 |
| 40% | 9.25 | 296.00 | 1759 | 4358 | 5.94 | 55 |
| 50% | 17.50 | 560.00 | 2804 | 5411 | 5.01 | 55 |
| 60% | 27.10 | 867.20 | 3711 | 6214 | 4.28 | 55 |
| 70% | 39.10 | 1251.20 | 4853 | 7101 | 3.88 | 55 |
| 80% | 56.10 | 1795.20 | 6014 | 7734 | 3.35 | 55 |
| 90% | 74.90 | 2396.80 | 7064 | 8344 | 2.95 | 55 |
| 100% | 99.40 | 3180.80 | 8167 | 8936 | 2.57 | 55 |
