37.2*32.8mm
12N14P
200℃
M5
112g
＞1000h
| Recommended Set/Motor/Propeller/ESC | |||
| Type | 3115 | Motor Dimension | 37.5*45.5 |
| Magnet | Zinc-Plated | Coil Insulation Test | 500V Withstand |
| Dynamic Balance Stabdards | ≤5mg | Configuration | 12N14P |
| Shaft Diameter | 5mm | Lead | 18AWG*250mm |
| Screw Diameter | Φ19-M3-4 | Prop Adapter Shaft Thread | M5X14.5mm |
| Recommended Voltage | KV900 | Idle Current (10V) | 1.4A |
| Rated Voltage (LiPo) | 6S | Peak Current | 64.37A |
| Max Thrust | 3.49kg | Weight(Incl. Cable) | 112g |
| MODEL | KV Value | Maximum power | Maximum current | Pull | Efficiency | Propeller | Battery | ESC | |
| BGS-F3115 | KV | W | A | g | g/W | / | S | A | |
| 400 | 1497.60 | 31.20 | 4275 | 2.85 | HQ9*5*3 | 12 | / | ||
| 400 | 1982.40 | 41.30 | 4810 | 2.43 | HQ10*5*3 | 12 | / | ||
| 640 | 1571.20 | 49.10 | 4310 | 2.74 | HQ9*5*3 | 8 | / | ||
| 640 | 1936.00 | 60.50 | 4725 | 2.44 | HQ10*5*3 | 8 | / | ||
| 900 | 1711.20 | 71.30 | 4215 | 2.46 | HQ9*5*3 | 6 | / | ||
| 900 | 1994.40 | 83.10 | 4635 | 2.32 | HQ10*5*3 | 6 | / | ||
| 1050 | 2006.40 | 83.60 | 4545 | 2.27 | HQ9*5*3 | 6 | / | ||
| 1050 | 2011.20 | 83.80 | 4810 | 2.39 | HQ10*4.5*3 | 6 | / | ||
| Model | Accelerator | Voltage | Pulling Force | Torque | Current | Speed | Power | Efficiency | Motor temperature |
| BGS-F3115 KV400 (Prop)HQ9*5*3 | % | V | g | N.m | A | rpm | W | g/W | ℃ |
| 40% | 48.00 | 865 | / | 3.10 | 7135 | 148.80 | 5.81 | 45 | |
| 50% | 48.00 | 1310 | / | 5.30 | 8750 | 254.40 | 5.15 | ||
| 60% | 48.00 | 1790 | / | 8.30 | 10060 | 398.40 | 4.49 | ||
| 70% | 48.00 | 2370 | / | 12.20 | 11510 | 585.60 | 4.05 | ||
| 80% | 48.00 | 2995 | / | 17.40 | 12930 | 835.20 | 3.59 | ||
| 90% | 48.00 | 3630 | / | 23.60 | 14210 | 1132.80 | 3.20 | ||
| 100% | 48.00 | 4275 | / | 31.20 | 15360 | 1497.60 | 2.85 | ||
| BG-F3115 KV400 (Prop)HQ10*5*3 | 40% | 48.00 | 1033 | / | 3.65 | 6855 | 175.20 | 5.90 | 45 |
| 50% | 48.00 | 1560 | / | 6.35 | 8330 | 304.80 | 5.12 | ||
| 60% | 48.00 | 2100 | / | 10.20 | 9680 | 489.60 | 4.29 | ||
| 70% | 48.00 | 2830 | / | 15.60 | 11020 | 748.80 | 3.78 | ||
| 80% | 48.00 | 3510 | / | 22.70 | 12230 | 1089.60 | 3.22 | ||
| 90% | 48.00 | 4230 | / | 30.50 | 13350 | 1464.00 | 2.89 | ||
| 100% | 48.00 | 4810 | / | 41.30 | 14085 | 1982.40 | 2.43 | ||
| BG-F3115 KV640 (Prop)HQ9*5*3 | 40% | 32.00 | 895 | / | 5.10 | 7195 | 163.20 | 5.48 | 50 |
| 50% | 32.00 | 1350 | / | 8.80 | 8810 | 281.60 | 4.79 | ||
| 60% | 32.00 | 1820 | / | 13.90 | 10200 | 444.80 | 4.09 | ||
| 70% | 32.00 | 2390 | / | 20.50 | 11600 | 656.00 | 3.64 | ||
| 80% | 32.00 | 3020 | / | 27.80 | 12930 | 889.60 | 3.39 | ||
| 90% | 32.00 | 3640 | / | 37.50 | 14200 | 1200.00 | 3.03 | ||
| 100% | 32.00 | 4310 | / | 49.10 | 15320 | 1571.20 | 2.74 | ||
| BGS-F3115 KV640 (Prop)HQ10*5*3 | 40% | 32.00 | 1055 | / | 5.75 | 6855 | 184.00 | 5.73 | 50 |
| 50% | 32.00 | 1595 | / | 10.40 | 8370 | 332.80 | 4.79 | ||
| 60% | 32.00 | 2115 | / | 16.20 | 9560 | 518.40 | 4.08 | ||
| 70% | 32.00 | 2835 | / | 24.30 | 10980 | 777.60 | 3.65 | ||
| 80% | 32.00 | 3456 | / | 35.10 | 12080 | 1123.20 | 3.08 | ||
| 90% | 32.00 | 4135 | / | 46.20 | 13150 | 1478.40 | 2.80 | ||
| 100% | 32.00 | 4725 | / | 60.50 | 13950 | 1936.00 | 2.44 | ||
| BGS-F3115 KV900 (Prop)HQ9*5*3 | 40% | 24.00 | 955 | / | 7.60 | 7385 | 182.40 | 5.24 | 55 |
| 50% | 24.00 | 1395 | / | 12.80 | 8965 | 307.20 | 4.54 | ||
| 60% | 24.00 | 1895 | / | 20.70 | 10395 | 496.80 | 3.81 | ||
| 70% | 24.00 | 2465 | / | 29.10 | 11785 | 698.40 | 3.53 | ||
| 80% | 24.00 | 3055 | / | 41.10 | 13085 | 986.40 | 3.10 | ||
| 90% | 24.00 | 3615 | / | 55.20 | 14165 | 1324.80 | 2.73 | ||
| 100% | 24.00 | 4215 | / | 71.30 | 15175 | 1711.20 | 2.46 | ||
| BGS-F3115 KV900 (Prop)HQ10*5*3 | 40% | 24.00 | 1120 | / | 9.30 | 7055 | 223.20 | 5.02 | 55 |
| 50% | 24.00 | 1655 | / | 15.30 | 8495 | 367.20 | 4.51 | ||
| 60% | 24.00 | 2195 | / | 23.20 | 9665 | 556.80 | 3.94 | ||
| 70% | 24.00 | 2905 | / | 35.80 | 11075 | 859.20 | 3.38 | ||
| 80% | 24.00 | 3455 | / | 50.80 | 11995 | 1219.20 | 2.83 | ||
| 90% | 24.00 | 4135 | / | 65.20 | 12985 | 1564.80 | 2.64 | ||
| 100% | 24.00 | 4635 | / | 83.10 | 13755 | 1994.40 | 2.32 | ||
| BGS-F3115 KV1050 (Prop)HQ9*5*3 | 40% | 24.00 | 1110 | / | 9.75 | 7985 | 234.00 | 4.74 | 58 |
| 50% | 24.00 | 1630 | / | 17.30 | 9575 | 415.20 | 3.93 | ||
| 60% | 24.00 | 2220 | / | 26.70 | 11125 | 640.80 | 3.46 | ||
| 70% | 24.00 | 2835 | / | 37.40 | 12465 | 897.60 | 3.16 | ||
| 80% | 24.00 | 3455 | / | 51.20 | 13755 | 1228.80 | 2.81 | ||
| 90% | 24.00 | 4035 | / | 68.10 | 14815 | 1634.40 | 2.47 | ||
| 100% | 24.00 | 4545 | / | 83.60 | 16545 | 2006.40 | 2.27 | ||
| BGS-F3115 KV1050 (Prop)HQ10*4.5*3 | 40% | 24.00 | 1075 | / | 8.60 | 8065 | 206.40 | 5.21 | 58 |
| 50% | 24.00 | 1620 | / | 16.60 | 9720 | 398.40 | 4.07 | ||
| 60% | 24.00 | 2250 | / | 25.60 | 11300 | 614.40 | 3.66 | ||
| 70% | 24.00 | 2910 | / | 36.20 | 12725 | 868.80 | 3.35 | ||
| 80% | 24.00 | 3580 | / | 49.90 | 14050 | 1197.60 | 2.99 | ||
| 90% | 24.00 | 4230 | / | 66.50 | 15075 | 1596.00 | 2.65 | ||
| 100% | 24.00 | 4810 | / | 83.80 | 15975 | 2011.20 | 2.39 |
The 3115 outrunner UAV motor is a high-performance brushless motor widely used in industrial drones, agricultural UAVs, mapping platforms, and medium-payload multirotor systems. Designed for efficient thrust generation and stable long-duration operation, the 3115 motor balances torque, cooling capability, and flight efficiency within a compact structure.
One of the main structural features of the 3115 motor is its outrunner architecture. In this design, the outer rotor shell rotates around the internal stator, increasing rotational leverage and improving low-RPM torque performance. This enables the motor to efficiently drive large-diameter propellers while maintaining smoother airflow and lower power consumption.
The motor commonly uses high-grade NdFeB permanent magnets, precision copper windings, and CNC-machined aluminum housing for improved electromagnetic efficiency and heat dissipation. Many 3115 motors also integrate high-quality bearings and dynamic balancing technology to reduce vibration during flight.
Typical operating voltages range from 6S to 12S LiPo systems, depending on KV configuration and application requirements. Low-KV versions are especially suitable for agricultural drones and endurance UAVs because they provide stable thrust and improved efficiency with larger propellers.
Key advantages of the 3115 outrunner UAV motor include:
High torque output | Excellent cooling performance | Stable low-speed efficiency
Large propeller compatibility | Low vibration operation | Long flight endurance support
Due to its balanced power-to-weight ratio and reliable industrial performance, the 3115 outrunner motor has become a popular propulsion solution for modern professional UAV platforms.
In another mapping application, a UAV manufacturer required smoother low-speed control for LiDAR data collection. The 3115 motor’s balanced torque delivery and low-vibration characteristics helped improve flight precision during terrain scanning missions, especially during extended hovering operations.
Today, the 3115 outrunner motor is widely used in:
Agricultural drones | Industrial multirotor UAVs | Mapping and surveying platforms | Inspection drone | Medium-payload heavy lift UAVs
Its combination of efficiency, reliability, and stable torque output makes it an ideal propulsion solution for modern professional drone systems.
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