Description
T-Motor AT3520 Fixed-Wing UAV Motor -Efficient Cooling & Durability
Powerful T-MOTOR AT3520 for 1.8-2.0kg fixed wing UAVs. Delivers 4.3kg thrust, supports 4-6S LiPos. Pairs perfectly with T13*6.5 prop & AT115A ESC. Weighs 221g
Model: AT3520 Long Shaft Fixed Wing UAV Motor KV550/KV720/KV850
Specifications
Technical Drawing


Specification
| Test Item | Long Shaft KV550 | Weight (Incl. Cable) | 218g |
| Motor Dimensions | Φ43*65mm | Internal Resistance | 31mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:5mm OUT:5mm |
Rated Voltage(Lipo) | 4-6S |
| Idle Current(10V) | 1.1A | Peak Current(180s) | 50A |
| Max Power (180S) | 1100W | Recommendation | / |
| Test Item | Long Shaft KV720 | Weight (Incl. Cable) | 219g |
| Motor Dimensions | Φ43*65mm | Internal Resistance | 20mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:5mm OUT:5mm |
Rated Voltage(Lipo) | 4-5S |
| Idle Current(10V) | 1.6A | Peak Current(180s) | 70A |
| Max Power (180S) | 1300W | Recommendation | / |
| Test Item | Long Shaft KV850 | Weight (Incl. Cable) | 221g |
| Motor Dimensions | Φ43*65mm | Internal Resistance | 14mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:5mm OUT:5mm |
Rated Voltage(Lipo) | 3-4S |
| Idle Current(10V) | 2.0A | Peak Current(180s) | 70A |
| Max Power (180S) | 1100W | Recommendation | / |
Test Data
| Type | Propeller | Throttle | Voltage (V) |
Current (A) |
Power (W) |
RPM | Torque (N*m) |
Thrust (g) |
Efficiency (g/W) |
Operating Temperature (℃) |
| AT3520 Long Shaft KV550 |
APC 13*6.5 |
40% | 22.49 | 4.96 | 111.61 | 4834 | 0.162 | 912 | 8.18 | 41 (Ambient Temperature: /) |
| 45% | 22.47 | 6.00 | 134.81 | 5181 | 0.187 | 1053 | 7.81 | |||
| 50% | 22.45 | 7.26 | 163.08 | 5558 | 0.215 | 1208 | 7.41 | |||
| 55% | 22.43 | 8.88 | 199.17 | 5990 | 0.249 | 1396 | 7.01 | |||
| 60% | 22.39 | 10.87 | 243.44 | 6404 | 0.290 | 1619 | 6.65 | |||
| 65% | 22.35 | 13.47 | 300.90 | 6895 | 0.340 | 1890 | 6.28 | |||
| 70% | 22.30 | 16.12 | 359.46 | 7313 | 0.386 | 2140 | 5.95 | |||
| 75% | 22.25 | 19.27 | 428.67 | 7732 | 0.438 | 2412 | 5.63 | |||
| 80% | 22.19 | 22.60 | 501.48 | 8119 | 0.494 | 2711 | 5.41 | |||
| 90% | 22.06 | 30.77 | 678.62 | 8940 | 0.607 | 3289 | 4.85 | |||
| 100% | 21.99 | 34.89 | 767.14 | 9252 | 0.667 | 3575 | 4.66 | |||
| APC 14*7 |
40% | 22.49 | 5.15 | 115.79 | 4423 | 0.185 | 973 | 8.40 | 59 (Ambient Temperature: /) |
|
| 45% | 22.46 | 6.71 | 150.66 | 4888 | 0.224 | 1169 | 7.76 | |||
| 50% | 22.43 | 8.50 | 190.74 | 5313 | 0.268 | 1408 | 7.38 | |||
| 55% | 22.37 | 11.18 | 250.13 | 5785 | 0.326 | 1689 | 6.75 | |||
| 60% | 22.34 | 13.70 | 305.98 | 6192 | 0.380 | 1954 | 6.39 | |||
| 65% | 22.29 | 16.90 | 376.75 | 6664 | 0.440 | 2247 | 5.96 | |||
| 70% | 22.23 | 20.26 | 450.36 | 7056 | 0.498 | 2529 | 5.62 | |||
| 75% | 22.16 | 24.56 | 544.30 | 7454 | 0.570 | 2863 | 5.26 | |||
| 80% | 22.08 | 29.20 | 644.83 | 7818 | 0.646 | 3216 | 4.99 | |||
| 90% | 21.93 | 38.47 | 843.54 | 8481 | 0.776 | 3787 | 4.49 | |||
| 100% | 21.83 | 44.28 | 966.63 | 8762 | 0.854 | 4116 | 4.26 | |||
| Note: Motor temperature is motor surface temperature at 100% throttle running 3mins. (Date above based on benchtest are for reference only, comparion with that of other motor types is not recommended.) | ||||||||||
| AT3520 Long Shaft KV720 |
APC 13*8 |
40% | 18.47 | 7.46 | 137.74 | 4880 | 0.194 | 1004 | 7.29 | 54 (Ambient Temperature: /) |
| 45% | 18.43 | 9.41 | 173.40 | 5303 | 0.231 | 1194 | 6.88 | |||
| 50% | 18.39 | 11.90 | 218.85 | 5750 | 0.277 | 1428 | 6.52 | |||
| 55% | 18.34 | 14.91 | 273.44 | 6237 | 0.324 | 1658 | 6.06 | |||
| 60% | 18.28 | 18.61 | 340.07 | 6657 | 0.383 | 1954 | 5.75 | |||
| 65% | 18.20 | 23.12 | 420.93 | 7162 | 0.443 | 2249 | 5.34 | |||
| 70% | 18.15 | 27.05 | 490.94 | 7548 | 0.500 | 2524 | 5.14 | |||
| 75% | 18.06 | 31.85 | 575.15 | 7918 | 0.552 | 2768 | 4.81 | |||
| 80% | 17.96 | 37.82 | 679.25 | 8315 | 0.621 | 3045 | 4.48 | |||
| 90% | 17.74 | 51.47 | 912.96 | 8977 | 0.771 | 3539 | 3.88 | |||
| 100% | 17.62 | 58.90 | 1037.58 | 9211 | 0.845 | 3624 | 3.49 | |||
| APC 14*7 |
40% | 18.46 | 7.55 | 139.36 | 4685 | 0.204 | 1076 | 7.72 | 72 (Ambient Temperature: /) |
|
| 45% | 18.42 | 9.99 | 183.99 | 5164 | 0.254 | 1332 | 7.24 | |||
| 50% | 18.37 | 12.95 | 237.94 | 5657 | 0.304 | 1583 | 6.65 | |||
| 55% | 18.31 | 16.51 | 302.23 | 6123 | 0.364 | 1881 | 6.22 | |||
| 60% | 18.24 | 20.52 | 374.31 | 6565 | 0.426 | 2185 | 5.84 | |||
| 65% | 18.16 | 25.43 | 461.78 | 7020 | 0.493 | 2526 | 5.47 | |||
| 70% | 18.08 | 30.14 | 544.91 | 7380 | 0.552 | 2817 | 5.17 | |||
| 75% | 17.99 | 35.37 | 636.40 | 7754 | 0.614 | 3101 | 4.87 | |||
| 80% | 17.88 | 42.17 | 754.01 | 8130 | 0.693 | 3457 | 4.58 | |||
| 90% | 17.66 | 55.71 | 984.06 | 8756 | 0.832 | 4072 | 4.14 | |||
| 100% | 17.55 | 62.58 | 1098.29 | 9014 | 0.892 | 4316 | 3.93 | |||
| Note: Motor temperature is motor surface temperature at 100% throttle running 3mins. (Date above based on benchtest are for reference only, comparion with that of other motor types is not recommended.) | ||||||||||
| AT3520 Long Shaft KV850 |
APC 13*6.5 |
40% | 15.16 | 8.34 | 126.54 | 5001 | 0.170 | 953 | 7.53 | 43 (Ambient Temperature: /) |
| 45% | 15.13 | 10.19 | 154.22 | 5364 | 0.198 | 1106 | 7.17 | |||
| 50% | 15.10 | 12.09 | 182.64 | 5735 | 0.229 | 1280 | 7.01 | |||
| 55% | 15.05 | 15.18 | 228.48 | 6168 | 0.267 | 1494 | 6.54 | |||
| 60% | 14.99 | 18.54 | 278.01 | 6583 | 0.312 | 1732 | 6.23 | |||
| 65% | 14.92 | 22.90 | 341.70 | 7073 | 0.361 | 2008 | 5.88 | |||
| 70% | 14.87 | 26.29 | 390.84 | 7402 | 0.397 | 2200 | 5.63 | |||
| 75% | 14.79 | 30.91 | 457.12 | 7816 | 0.446 | 2457 | 5.38 | |||
| 80% | 14.71 | 35.89 | 527.89 | 8189 | 0.492 | 2696 | 5.11 | |||
| 90% | 14.52 | 47.53 | 690.19 | 8938 | 0.591 | 3191 | 4.62 | |||
| 100% | 14.41 | 54.65 | 787.29 | 9187 | 0.654 | 3515 | 4.46 | |||
| APC 14*7 |
40% | 15.15 | 8.87 | 134.38 | 4578 | 0.196 | 1021 | 7.60 | 61 (Ambient Temperature: /) |
|
| 45% | 15.12 | 11.11 | 167.90 | 4937 | 0.233 | 1214 | 7.23 | |||
| 50% | 15.06 | 14.47 | 217.85 | 5432 | 0.282 | 1468 | 6.74 | |||
| 55% | 14.99 | 18.96 | 284.08 | 5928 | 0.347 | 1785 | 6.28 | |||
| 60% | 14.92 | 23.03 | 343.56 | 6323 | 0.395 | 2033 | 5.92 | |||
| 65% | 14.83 | 28.29 | 419.61 | 6746 | 0.457 | 2323 | 5.54 | |||
| 70% | 14.75 | 33.09 | 488.18 | 7071 | 0.507 | 2570 | 5.26 | |||
| 75% | 14.65 | 39.24 | 574.99 | 7435 | 0.568 | 2852 | 4.96 | |||
| 80% | 14.56 | 45.23 | 658.44 | 7743 | 0.624 | 3111 | 4.73 | |||
| 90% | 14.34 | 58.48 | 838.83 | 8318 | 0.737 | 3607 | 4.30 | |||
| 100% | 14.22 | 66.32 | 942.71 | 8598 | 0.797 | 3854 | 4.09 | |||
| Note: Motor temperature is motor surface temperature at 100% throttle running 3mins. (Date above based on benchtest are for reference only, comparion with that of other motor types is not recommended.) | ||||||||||
Packing List

Before using this product, please check if all the items listed above are included in the packaging. If there are any missing items, please contact our online customer service or leave message to " sales@druav.com " in time.
Additional Information
| KV |
KV550, KV720, KV850 |
|---|
T-Motor AT3520 Fixed-Wing UAV Motor -Efficient Cooling & Durability
$79.99