B3115 Brushless Motor 900KV 6S 12N14P FPV Racing Drone
B3115 Brushless Motor 900KV 6S 12N14P FPV Racing Drone
B3115 Brushless Motor 900KV 6S — Built for FPV Racing Performance
Take your FPV racing drone or RC quadcopter to the next level with the B3115 Brushless Motor. Engineered with a 12N14P configuration, a 31×15mm stator, and a robust 5mm shaft, this motor delivers exceptional power and efficiency for competitive multirotor builds. Whether you're tearing through gates on the track or cruising freestyle lines, this motor provides the torque and responsiveness serious pilots demand.
Full Specifications
- Motor Size: Ø37.2 × 48.3mm
- Stator Size: Ø31 × 15mm
- Slot-Pole Configuration: 12N14P
- KV Rating: 900KV
- Supported Battery: 6S Lithium (LiPo)
- Maximum Power (100% Throttle): 1296W
- Maximum Current (100% Throttle): 54.79A
- No-Load Current: 1.7A
- Axial Output Length: 17mm
- Axial Output Diameter: Ø5mm
- Recommended ESC: 50A
- Recommended Propeller: 1045
Why Choose the B3115 900KV?
- ✅ High-Power Output — Up to 1296W at full throttle for aggressive flight performance
- ✅ 12N14P Design — Smooth, efficient power delivery and reduced cogging
- ✅ 5mm Shaft — Compatible with a wide range of propeller adapters and hubs
- ✅ 6S Ready — Optimized for 6-cell LiPo packs for maximum punch
- ✅ Versatile Fit — Ideal for FPV racers, freestyle builds, and heavy-lift multirotors
What's in the Box?
- 1× B3115 Brushless Motor (900KV)
Made in Mainland China.
Note: Due to lighting and screen differences, the item's color may appear slightly different from product images. Please allow 1mm–1cm variance due to manual measurement.
For general guidance on safe operation of RC aircraft and drone electronics, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety resources.
Frequently Asked Questions
Q: What ESC is recommended for the B3115 900KV brushless motor?
A: A 50A ESC is recommended to handle the maximum current draw of up to 54.79A at full throttle on a 6S LiPo battery. Using an appropriately rated ESC ensures reliable, safe performance during aggressive throttle inputs.
Q: What propeller size works best with this motor?
A: The B3115 900KV motor is optimized for a 1045 propeller (10-inch diameter, 4.5-inch pitch). This combination delivers an ideal balance of thrust and efficiency for FPV racing and freestyle quadcopter builds on 6S power.
Q: Is this motor compatible with my FPV racing drone frame?
A: The motor measures Ø37.2 × 48.3mm with a 5mm shaft diameter. It is suitable for a wide range of FPV racing drone frames and RC quadcopter multirotors that accommodate this stator size. Always verify your frame's motor mount dimensions before ordering.
Q: Can the B3115 be used for freestyle or heavy-lift builds?
A: Yes. While the B3115 900KV is popular for FPV racing, its high power output (1296W max) and 6S compatibility also make it a capable choice for freestyle multirotors and heavier quadcopter platforms requiring strong torque.