43*65mm
12N14P
220℃
5mm
218g
＞1000h
| AT3520 Basic Data | |
| Parameter:Long Shaft KV550 | Maximum Power (180s):1300W/1100W |
| Motor Dimensions:43*65mm | Phase-to-phase Internal Resistance:31m/20m/14m |
| Lead Specification:100mm | Slot/Pole:12N14P |
| Shaft Diameter:5mm | Rated Operating Voltage (Lipo):4-6S |
| No-load Current (10V):1.1A/1.6A/2.0A | Maximum Current (180s):50A/70A/70A |
| Maximum Continuous Power:250W/302W/284W | |
| MODEL | KV Value | maximum power | Maximum current | pull | Efficiency | Applicable blades | Number of batteries | Adapt to electric adjustment | |
| BGS-FW3520 | KV | W | A | g | g/W | / | S | A | |
| 550 | 767.14 | 34.89 | 3575 | 4.66 | APC13*6.5 | 4 | 40 | ||
| 550 | 966.63 | 44.28 | 4116 | 4.26 | APC14*7 | 4 | 40 | ||
| 720 | 1037.58 | 58.90 | 3624 | 3.49 | APC13*8 | 3 | 40 | ||
| 720 | 1098.29 | 62.58 | 4316 | 3.93 | APC14*7 | 3 | 40 | ||
| 850 | 787.29 | 54.65 | 3515 | 4.46 | APC13*6.5 | 3 | 40 | ||
| 850 | 942.71 | 66.32 | 3854 | 4.09 | APC14*7 | 3 | 40 | ||
| Model | accelerator | Voltage | Pulling Force | Torque | Current | speed | Power | Efficiency | Motor temperature |
| BGS-FW3520 KV550 APC13*6.5 | % | V | g | N.m | A | rpm | W | g/W | ℃ |
| 40.% | 22.49 | 912 | 0.162 | 4.96 | 4834 | 111.61 | 8.18 | 41 | |
| 45.% | 22.47 | 1053 | 0.187 | 6.00 | 5181 | 134.81 | 7.81 | ||
| 50.% | 22.45 | 1208 | 0.215 | 7.26 | 5558 | 163.08 | 7.41 | ||
| 55.% | 22.43 | 1396 | 0.249 | 8.88 | 5990 | 199.17 | 7.01 | ||
| 60.% | 22.39 | 1619 | 0.290 | 10.87 | 6404 | 243.44 | 6.65 | ||
| 65.% | 22.35 | 1890 | 0.340 | 13.47 | 6895 | 300.90 | 6.28 | ||
| 70.% | 22.30 | 2140 | 0.386 | 16.12 | 7313 | 359.46 | 5.95 | ||
| 75.% | 22.25 | 2412 | 0.438 | 19.27 | 7732 | 428.67 | 5.63 | ||
| 80.% | 22.19 | 2711 | 0.494 | 22.60 | 8119 | 501.48 | 5.41 | ||
| 90.% | 22.06 | 3289 | 0.607 | 30.77 | 8940 | 678.62 | 4.85 | ||
| 100.% | 21.99 | 3575 | 0.667 | 34.89 | 9252 | 767.14 | 4.66 | ||
| BGS-FW3520 KV550 APC14*7 | 40.% | 22.49 | 973 | 0.185 | 5.15 | 4423 | 115.79 | 8.40 | 59 |
| 45.% | 22.46 | 1169 | 0.224 | 6.71 | 4888 | 150.66 | 7.76 | ||
| 50.% | 22.43 | 1408 | 0.268 | 8.50 | 5313 | 190.74 | 7.38 | ||
| 55.% | 22.37 | 1689 | 0.326 | 11.18 | 5785 | 250.13 | 6.75 | ||
| 60.% | 22.34 | 1954 | 0.380 | 13.70 | 6192 | 305.98 | 6.39 | ||
| 65.% | 22.29 | 2247 | 0.440 | 16.90 | 6664 | 376.75 | 5.96 | ||
| 70.% | 22.23 | 2529 | 0.498 | 20.26 | 7056 | 450.36 | 5.62 | ||
| 75.% | 22.16 | 2863 | 0.570 | 24.56 | 7454 | 544.30 | 5.26 | ||
| 80.% | 22.08 | 3216 | 0.646 | 29.20 | 7818 | 644.83 | 4.99 | ||
| 90.% | 21.93 | 3787 | 0.776 | 38.47 | 8481 | 843.54 | 4.49 | ||
| 100.% | 21.83 | 4116 | 0.854 | 44.28 | 8762 | 966.63 | 4.26 | ||
| BGS-FW3520 KV720 APC13*8 | 40.% | 18.47 | 1004 | 0.194 | 7.46 | 4880 | 137.74 | 7.29 | 54 |
| 45.% | 18.43 | 1194 | 0.231 | 9.41 | 5303 | 173.40 | 6.88 | ||
| 50.% | 18.39 | 1428 | 0.277 | 11.90 | 5750 | 218.85 | 6.52 | ||
| 55.% | 18.34 | 1658 | 0.324 | 14.91 | 6237 | 273.44 | 6.06 | ||
| 60.% | 18.28 | 1954 | 0.383 | 18.61 | 6657 | 340.07 | 5.75 | ||
| 65.% | 18.20 | 2249 | 0.443 | 23.12 | 7162 | 420.93 | 5.34 | ||
| 70.% | 18.15 | 2524 | 0.500 | 27.05 | 7548 | 490.94 | 5.14 | ||
| 75.% | 18.06 | 2768 | 0.552 | 31.85 | 7918 | 575.15 | 4.81 | ||
| 80.% | 17.96 | 3045 | 0.621 | 37.82 | 8315 | 679.25 | 4.48 | ||
| 90.% | 17.74 | 3539 | 0.771 | 51.47 | 8977 | 912.96 | 3.88 | ||
| 100.% | 17.62 | 3624 | 0.845 | 58.90 | 9211 | 1037.58 | 3.49 | ||
| BGS-FW3520 KV720 APC14*7 | 40.% | 18.46 | 1076 | 0.204 | 7.55 | 4685 | 139.36 | 7.72 | 72 |
| 45.% | 18.42 | 1332 | 0.254 | 9.99 | 5164 | 183.99 | 7.24 | ||
| 50.% | 18.37 | 1583 | 0.304 | 12.95 | 5657 | 237.94 | 6.65 | ||
| 55.% | 18.31 | 1881 | 0.364 | 16.51 | 6123 | 302.23 | 6.22 | ||
| 60.% | 18.24 | 2185 | 0.426 | 20.52 | 6565 | 374.31 | 5.84 | ||
| 65.% | 18.16 | 2526 | 0.493 | 25.43 | 7020 | 461.78 | 5.47 | ||
| 70.% | 18.08 | 2817 | 0.552 | 30.14 | 7380 | 544.91 | 5.17 | ||
| 75.% | 17.99 | 3101 | 0.614 | 35.37 | 7754 | 636.40 | 4.87 | ||
| 80.% | 17.88 | 3457 | 0.693 | 42.17 | 8130 | 754.01 | 4.58 | ||
| 90.% | 17.66 | 4072 | 0.832 | 55.71 | 8756 | 984.06 | 4.14 | ||
| 100.% | 17.55 | 4316 | 0.892 | 62.58 | 9014 | 1098.29 | 3.93 | ||
| BGS-FW3520 KV850 APC13*6.5 | 40.% | 15.16 | 953 | 0.170 | 8.34 | 5001 | 126.54 | 7.53 | 43 |
| 45.% | 15.13 | 1106 | 0.198 | 10.19 | 5364 | 154.22 | 7.17 | ||
| 50.% | 15.10 | 1280 | 0.229 | 12.09 | 5735 | 182.64 | 7.01 | ||
| 55.% | 15.05 | 1494 | 0.267 | 15.18 | 6168 | 228.48 | 6.54 | ||
| 60.% | 14.99 | 1732 | 0.312 | 18.54 | 6583 | 278.01 | 6.23 | ||
| 65.% | 14.92 | 2008 | 0.361 | 22.90 | 7073 | 341.70 | 5.88 | ||
| 70.% | 14.87 | 2200 | 0.397 | 26.29 | 7402 | 390.84 | 5.63 | ||
| 75.% | 14.79 | 2457 | 0.446 | 30.91 | 7816 | 457.12 | 5.38 | ||
| 80.% | 14.71 | 2696 | 0.492 | 35.89 | 8189 | 527.89 | 5.11 | ||
| 90.% | 14.52 | 3191 | 0.591 | 47.53 | 8938 | 690.19 | 4.62 | ||
| 100.% | 14.41 | 3515 | 0.654 | 54.65 | 9187 | 787.29 | 4.46 | ||
| BGS-FW3520 KV850 APC14*7 | 40.% | 15.15 | 1021 | 0.196 | 8.87 | 4578 | 134.38 | 7.60 | 61 |
| 45.% | 15.12 | 1214 | 0.233 | 11.11 | 4937 | 167.90 | 7.23 | ||
| 50.% | 15.06 | 1468 | 0.282 | 14.47 | 5432 | 217.85 | 6.74 | ||
| 55.% | 14.99 | 1785 | 0.347 | 18.96 | 5928 | 284.08 | 6.28 | ||
| 60.% | 14.92 | 2033 | 0.395 | 23.03 | 6323 | 343.56 | 5.92 | ||
| 65.% | 14.83 | 2323 | 0.457 | 28.29 | 6746 | 419.61 | 5.54 | ||
| 70.% | 14.75 | 2570 | 0.507 | 33.09 | 7071 | 488.18 | 5.26 | ||
| 75.% | 14.65 | 2852 | 0.568 | 39.24 | 7435 | 574.99 | 4.96 | ||
| 80.% | 14.56 | 3111 | 0.624 | 45.23 | 7743 | 658.44 | 4.73 | ||
| 90.% | 14.34 | 3607 | 0.737 | 58.48 | 8318 | 838.83 | 4.30 | ||
| 100.% | 14.22 | 3854 | 0.797 | 66.32 | 8598 | 942.71 | 4.09 |
The 3520 Brushless Outrunner Motor is engineered for medium and large fixed-wing UAVs, delivering powerful thrust, high efficiency, and stable performance for demanding flight missions. Available in 550KV, 720KV, and 850KV (customizable), it provides up to 4.3 kg of maximum thrust when paired with the recommended propeller and ESC. Optimized for 4–6S LiPo battery systems, the motor features a high-efficiency magnetic circuit, precision-balanced rotor, and premium bearings to ensure smooth operation, low vibration, and extended service life. Ideal for fixed-wing drones, VTOL UAVs, mapping aircraft, surveillance platforms, long-range FPV aircraft, and industrial UAV applications. Custom KV ratings, shaft dimensions, cable length, and mounting configurations are available to meet OEM and ODM requirements.
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