S3115 900KV High-Performance Brushless Motor for UAV & Heavy-Lift Drones
The S3115 900KV brushless motor is a high-performance, precision-engineered power solution designed for applications that require strong thrust, high efficiency, and mechanical accuracy. Engineered with a 12N14P stator configuration, this motor delivers smooth power output, excellent torque response, and reliable thermal performance across the entire throttle range.
Built to professional standards, the S3115 900KV combines electrical efficiency with accurate mechanical dimensions, making it ideal for industrial UAVs, heavy-lift multirotors, and professional aerial platforms where reliability and consistency are critical.
Technical Specifications :
| Parameter | Specification |
| KV Rating | 900 KV |
| Motor Configuration | 12N14P |
| Max Power | 1896 W |
| Max Current | 81.39 A |
| No-load Current | 1.4 A |
| Internal Resistance | 42.5 mΩ |
| Max Thrust (GF1050-3) | Up to 4622 g |
| Recommended Propeller | GF1050-3 |
| Weight | ~113 g |
Mechanical Dimensions :
| Parameter | Specification |
| Motor Size | Ø37.25 × 46.3 mm |
| Motor Body Diameter | Ø37.25 ± 0.2 mm |
| Overall Length | 46.3 ± 0.3 mm |
| Stator Size | Ø31 × 15 mm |
| Shaft Diameter | Ø5 mm |
| Shaft Thread | M5 |
| Front Shaft Steps | 10 mm / 16 mm |
| Mounting Holes | 4 × M3 (Rear) |
| Center Locating Diameter | Ø19 ± 0.05 mm |
Ideal Applications
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Heavy-lift multirotor drones
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Industrial and commercial UAVs
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Aerial photography & cinematography platforms
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Mapping, surveying, and inspection drones
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High-efficiency and long-duration flight setups
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