How to match an electric motor to an RC aircraft
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
AT4120 VTOL Fixed Wing Airplane Long Shaft Motor-KV250/KV500/KV560 is a T-Motor catalog item in Civilian UAV Motors. Review the model details below and request compatibility and supply information for civilian use.
| Brand | T-Motor |
|---|---|
| Model | AT4120 VTOL Fixed Wing Airplane Long Shaft Motor-KV250/KV500/KV560 |
| Manufacturer SKU | T-MOTOR000826 |
| Test Item | Long ShaftKV250 | Weight (Incl. Cable) | 304g |
| Motor Dimensions | Φ50*69mm | Internal Resistance | 76mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:6mmOUT:6mm | Rated Voltage(Lipo) | 12S |
| Idle Current(10V) | 1.0A | Peak Current(180s) | 45A |
| Max Power (180S) | 2100W | Recommendation | / |
| Test Item | Long ShaftKV500 | Weight (Incl. Cable) | 305g |
| Motor Dimensions | Φ50*69mm | Internal Resistance | 21mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:6mmOUT:6mm | Rated Voltage(Lipo) | 6S |
| Idle Current(10V) | 2.0A | Peak Current(180s) | 75A |
| Max Power (180S) | 1700W | Recommendation | / |
| Test Item | Long ShaftKV560 | Weight (Incl. Cable) | 300g |
| Motor Dimensions | Φ50*69mm | Internal Resistance | 16mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:6mmOUT:6mm | Rated Voltage(Lipo) | 6S |
| Idle Current(10V) | 2.4A | Peak Current(180s) | 80A |
| Max Power (180S) | 1800W | Recommendation | / |
| Test Item | Long ShaftKV500 | Weight (Incl. Cable) | 305g |
| Motor Dimensions | Φ50*69mm | Internal Resistance | 21mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:6mmOUT:6mm | Rated Voltage(Lipo) | 6S |
| Idle Current(10V) | 2.0A | Peak Current(180s) | 75A |
| Max Power (180S) | 1700W | Recommendation | / |
| Test Item | Long ShaftKV560 | Weight (Incl. Cable) | 300g |
| Motor Dimensions | Φ50*69mm | Internal Resistance | 16mΩ |
| Lead | Enameled Wire100mm | Configuration | 12N14P |
| Shaft Diameter | IN:6mmOUT:6mm | Rated Voltage(Lipo) | 6S |
| Idle Current(10V) | 2.4A | Peak Current(180s) | 80A |
| Max Power (180S) | 1800W | Recommendation | / |
| Type | Propeller | Throttle | Voltage(V) | Current(A) | Power(W) | RPM | Torque(N*m) | Thrust(g) | Efficiency(g/W) | OperatingTemperature(℃) |
| AT4120Long ShaftKV250 | APC15*8 | 40% | 44.32 | 2.70 | 119.63 | 3880 | 0.203 | 1012 | 8.46 | 65(AmbientTemperature:/) |
| 45% | 44.33 | 3.30 | 146.11 | 4287 | 0.248 | 1235 | 8.45 | |||
| 50% | 44.30 | 4.56 | 201.83 | 4838 | 0.319 | 1574 | 7.80 | |||
| 55% | 44.25 | 6.75 | 298.59 | 5422 | 0.411 | 2014 | 6.75 | |||
| 60% | 44.23 | 8.19 | 362.23 | 5832 | 0.478 | 2331 | 6.43 | |||
| 65% | 44.21 | 9.84 | 434.86 | 6243 | 0.558 | 2712 | 6.24 | |||
| 70% | 44.14 | 12.69 | 560.11 | 6716 | 0.653 | 3146 | 5.62 | |||
| 75% | 44.10 | 15.43 | 680.25 | 7132 | 0.749 | 3586 | 5.27 | |||
| 80% | 44.04 | 18.63 | 820.64 | 7565 | 0.857 | 4067 | 4.96 | |||
| 90% | 43.91 | 26.06 | 1144.20 | 8288 | 1.071 | 4934 | 4.31 | |||
| 100% | 43.73 | 36.52 | 1596.93 | 8963 | 1.347 | 5504 | 3.45 | |||
| APC15*10 | 40% | 44.30 | 3.05 | 135.07 | 3828 | 0.249 | 1104 | 8.18 | 87(AmbientTemperature:/) | |
| 45% | 44.28 | 3.86 | 171.08 | 4205 | 0.300 | 1321 | 7.72 | |||
| 50% | 44.26 | 5.15 | 228.12 | 4716 | 0.375 | 1662 | 7.29 | |||
| 55% | 44.21 | 7.77 | 343.40 | 5317 | 0.492 | 2168 | 6.31 | |||
| 60% | 44.18 | 9.61 | 424.73 | 5713 | 0.565 | 2476 | 5.83 | |||
| 65% | 44.14 | 11.97 | 528.31 | 6154 | 0.671 | 2914 | 5.52 | |||
| 70% | 44.08 | 15.06 | 663.58 | 6565 | 0.775 | 3355 | 5.06 | |||
| 75% | 44.03 | 17.80 | 783.72 | 6953 | 0.879 | 3771 | 4.81 | |||
| 80% | 43.96 | 21.72 | 954.68 | 7363 | 0.997 | 4240 | 4.44 | |||
| 90% | 43.80 | 30.96 | 1355.90 | 8012 | 1.276 | 4731 | 3.49 | |||
| 100% | 43.61 | 42.30 | 1844.49 | 8618 | 1.545 | 5609 | 3.04 | |||
| APC16*8 | 40% | 44.37 | 3.25 | 144.09 | 3937 | 0.257 | 1253 | 8.70 | HOT(AmbientTemperature:/) | |
| 45% | 44.37 | 3.99 | 177.09 | 4278 | 0.304 | 1485 | 8.39 | |||
| 50% | 44.33 | 5.53 | 245.37 | 4824 | 0.389 | 1899 | 7.74 | |||
| 55% | 44.29 | 7.96 | 352.38 | 5389 | 0.498 | 2422 | 6.87 | |||
| 60% | 44.25 | 10.12 | 447.90 | 5810 | 0.590 | 2850 | 6.36 | |||
| 65% | 44.19 | 12.62 | 557.80 | 6195 | 0.688 | 3302 | 5.92 | |||
| 70% | 44.14 | 15.97 | 704.96 | 6652 | 0.808 | 3852 | 5.46 | |||
| 75% | 44.07 | 19.57 | 862.44 | 7052 | 0.931 | 4379 | 5.08 | |||
| 80% | 44.00 | 24.05 | 1058.23 | 7485 | 1.077 | 5016 | 4.74 | |||
| 90% | 43.85 | 32.70 | 1433.96 | 8112 | 1.301 | 5952 | 4.15 | |||
| 100% | 43.63 | 45.73 | 1995.20 | 8676 | 1.603 | 6717 | 3.37 | |||
| 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.) | ||||||||||
| AT4120Long ShaftKV500 | APC15*8 | 40% | 22.47 | 6.81 | 153.13 | 4252 | 0.252 | 1222 | 7.98 | 79(AmbientTemperature:/) |
| 45% | 22.44 | 8.40 | 188.45 | 4603 | 0.291 | 1420 | 7.53 | |||
| 50% | 22.41 | 10.07 | 225.68 | 4901 | 0.330 | 1603 | 7.10 | |||
| 55% | 22.37 | 12.34 | 276.12 | 5255 | 0.385 | 1867 | 6.76 | |||
| 60% | 22.32 | 15.19 | 339.14 | 5637 | 0.448 | 2174 | 6.41 | |||
| 65% | 22.27 | 18.63 | 414.72 | 6030 | 0.525 | 2533 | 6.11 | |||
| 70% | 22.19 | 22.75 | 504.91 | 6441 | 0.600 | 2878 | 5.70 | |||
| 75% | 22.12 | 27.01 | 597.54 | 6817 | 0.675 | 3229 | 5.40 | |||
| 80% | 22.05 | 31.62 | 697.07 | 7153 | 0.755 | 3583 | 5.14 | |||
| 90% | 21.86 | 42.70 | 933.28 | 7805 | 0.929 | 4351 | 4.66 | |||
| 100% | 21.75 | 49.31 | 1072.47 | 8135 | 1.020 | 4714 | 4.40 | |||
| APC15*10 | 40% | 22.49 | 5.40 | 121.44 | 3680 | 0.236 | 1027 | 8.46 | HOT(AmbientTemperature:/) | |
| 45% | 22.46 | 7.19 | 161.62 | 4097 | 0.294 | 1281 | 7.93 | |||
| 50% | 22.36 | 12.00 | 268.25 | 4688 | 0.393 | 1701 | 6.34 | |||
| 55% | 22.32 | 15.15 | 338.13 | 5176 | 0.464 | 2020 | 5.97 | |||
| 60% | 22.25 | 18.98 | 422.43 | 5573 | 0.545 | 2371 | 5.61 | |||
| 65% | 22.19 | 22.88 | 507.71 | 5914 | 0.623 | 2700 | 5.32 | |||
| 70% | 22.12 | 27.55 | 609.35 | 6288 | 0.710 | 3052 | 5.01 | |||
| 75% | 22.01 | 33.85 | 744.87 | 6687 | 0.803 | 3434 | 4.61 | |||
| 80% | 21.90 | 40.20 | 880.50 | 7030 | 0.900 | 3815 | 4.33 | |||
| 90% | 21.65 | 55.07 | 1192.32 | 7555 | 1.111 | 4324 | 3.63 | |||
| 100% | 21.40 | 70.41 | 1506.65 | 7952 | 1.301 | 4670 | 3.10 | |||
| APC16*8 | 40% | 22.44 | 8.73 | 195.81 | 4294 | 0.314 | 1518 | 7.75 | 98(AmbientTemperature:/) | |
| 45% | 22.40 | 10.71 | 240.02 | 4636 | 0.364 | 1765 | 7.35 | |||
| 50% | 22.35 | 13.87 | 309.84 | 5071 | 0.440 | 2123 | 6.85 | |||
| 55% | 22.28 | 17.61 | 392.29 | 5499 | 0.528 | 2550 | 6.50 | |||
| 60% | 22.21 | 22.03 | 489.30 | 5927 | 0.622 | 2979 | 6.09 | |||
| 65% | 22.12 | 27.16 | 600.86 | 6334 | 0.719 | 3427 | 5.70 | |||
| 70% | 22.03 | 32.72 | 720.93 | 6715 | 0.824 | 3885 | 5.39 | |||
| 75% | 21.94 | 38.56 | 845.96 | 7075 | 0.922 | 4305 | 5.09 | |||
| 80% | 21.82 | 45.23 | 986.96 | 7405 | 1.024 | 4742 | 4.80 | |||
| 90% | 21.54 | 62.33 | 1342.79 | 8035 | 1.270 | 5801 | 4.32 | |||
| 100% | 21.49 | 65.44 | 1406.23 | 8108 | 1.318 | 5967 | 4.24 | |||
| 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.) | ||||||||||
| AT4120Long ShaftKV560 | APC14*7 | 40% | 22.44 | 9.30 | 208.82 | 5285 | 0.272 | 1421 | 6.81 | 79(AmbientTemperature:/) |
| 45% | 22.41 | 11.47 | 256.93 | 5704 | 0.323 | 1667 | 6.49 | |||
| 50% | 22.38 | 13.30 | 297.53 | 6011 | 0.357 | 1832 | 6.16 | |||
| 55% | 22.33 | 15.78 | 352.36 | 6365 | 0.408 | 2087 | 5.92 | |||
| 60% | 22.28 | 18.84 | 419.77 | 6759 | 0.468 | 2374 | 5.66 | |||
| 65% | 22.22 | 22.57 | 501.53 | 7242 | 0.531 | 2676 | 5.34 | |||
| 70% | 22.15 | 27.13 | 600.92 | 7678 | 0.610 | 3049 | 5.07 | |||
| 75% | 22.07 | 31.63 | 698.14 | 8054 | 0.684 | 3395 | 4.86 | |||
| 80% | 21.97 | 37.50 | 823.81 | 8465 | 0.776 | 3779 | 4.59 | |||
| 90% | 21.72 | 52.46 | 1139.49 | 9286 | 0.977 | 4616 | 4.05 | |||
| 100% | 21.61 | 59.47 | 1284.98 | 9581 | 1.065 | 4909 | 3.82 | |||
| APC15*8 | 40% | 22.43 | 9.90 | 222.15 | 4796 | 0.320 | 1562 | 7.03 | 98(AmbientTemperature:/) | |
| 45% | 22.40 | 12.15 | 272.15 | 5152 | 0.374 | 1829 | 6.72 | |||
| 50% | 22.34 | 15.29 | 341.66 | 5582 | 0.445 | 2168 | 6.34 | |||
| 55% | 22.27 | 19.32 | 430.25 | 6049 | 0.528 | 2558 | 5.95 | |||
| 60% | 22.20 | 23.78 | 527.88 | 6475 | 0.612 | 2951 | 5.59 | |||
| 65% | 22.11 | 29.15 | 644.45 | 6934 | 0.709 | 3384 | 5.25 | |||
| 70% | 22.01 | 35.31 | 777.07 | 7358 | 0.806 | 3828 | 4.93 | |||
| 75% | 21.89 | 42.25 | 924.78 | 7731 | 0.916 | 4314 | 4.66 | |||
| 80% | 21.79 | 48.35 | 1053.45 | 8046 | 1.008 | 4707 | 4.47 | |||
| 90% | 21.49 | 66.59 | 1431.12 | 8689 | 1.253 | 5311 | 3.71 | |||
| 100% | 21.32 | 76.78 | 1637.32 | 8979 | 1.376 | 5580 | 3.41 | |||
| 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.) | ||||||||||
Availability, price, package contents and hardware revision are confirmed on inquiry. This listing does not assert local stock, a delivery date or official distributor status. Confirm voltage, connectors, firmware and operating requirements before use.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A practical guide to motor KV, voltage, current, thrust, aircraft weight and flight style so the power system matches the model.
Diameter, pitch, motor load, current measurement and how propeller choice changes thrust, speed, efficiency and heat.
ESC selection by maximum current, voltage, BEC, safety margin, cooling, connector choice and the real load from motor and propeller.
A step-by-step safety guide for measuring amps, watts and voltage sag so customers avoid overheating motors, ESCs and LiPo batteries.
A safety and performance guide to propeller balance, spinner fit, bent shafts, motor mounts, firewall checks and protecting electronics from vibration.
Tags: T-Motor, T-MOTOR000826
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