
AM670 Power System Kit for 67" High-Performance 3D Aerobatic Aircraft Core Overview The AM670 Kit is a top-tier power system solution specifically designed for 67-inch class high-performance 3D aerobatic aircraft, scale models, and drones. Deeply integrati
AM670 Power System Kit for 67″ High-Performance 3D Aerobatic Aircraft
The AM670 Kit is a top-tier power system solution specifically designed for 67-inch class high-performance 3D aerobatic aircraft, scale models, and drones. Deeply integrating the AM670 large-diameter motor, AM 116A intelligent ESC, and CARBON series propellers, the kit aims to address the stringent requirements for instantaneous explosive power output, sustained stable performance, and precise control feel in 3D flight through the design philosophy of “Lighter, Stronger, Smarter.”
Utilizing a unibody structural design, it achieves a 15% increase in overall strength while reducing weight by 44g. The combination of an open, cover-less structure and an embedded mounting base not only simplifies assembly but also achieves a rational center of gravity distribution, bringing more agile control response to the aircraft.
The motor features a large-diameter design, providing stronger torque and faster dynamic response. Combined with the HARD LOCK nut and an optimized cooling structure, it ensures the motor performance does not degrade during continuous high-power, high-load 3D maneuvers, maintaining stable and reliable power output at all times.
The motor dimensions are precisely matched to 3D aircraft. The propeller hub supports a 3mm adjustable design, allowing perfect control of the spinner gap, balancing functionality and aesthetics. This design ensures zero power transmission loss. When paired with a CARBON 18 propeller, it can instantly unleash over 10.1kg of peak thrust, achieving rapid and precise maneuvers.
Equipped with the AM 116A intelligent ESC, it features real-time flight data telemetry and preset alarm functions. BEC voltage, ESC temperature, motor RPM, real-time current, power voltage, and cumulative power consumption can be monitored in real-time on the transmitter screen. This makes the health status of the power system clear for every flight, achieving a leap from “blind flying” to “intelligent flying.”
| Parameters | AM670 480KV | AM670 520KV |
|---|---|---|
| Cruise Power / Thrust | 807W / 4417g | 983W / 5013g |
| Maximum Power / Thrust | 2380W / 9348g | 2773W / 10132g |
| Compatible ESC | AM 116A | AM 116A |
| Propeller Configuration | 17 * 8 Light Load Flight 18 * 8 Efficient Flight 18 * 10 Extreme Flight |
17 * 8 Light Load Flight 18 * 8 Efficient Flight 18 * 10 Extreme Flight |
| Suitable Scale/Drone Weight | 25-28kg | 28-31kg |
| Suitable 3D/Sport Aircraft Weight | 4.2-5kg | 4.8-5.2kg |
| Suitable 3D/Sport Aircraft Size | 67-70 / 90E-110E | 67-70 / 90E-110E |
| Parameter Item | Parameter Value |
|---|---|
| Test Model | KV480 |
| Weight | 416.1g |
| Motor Dimensions | 63.5 * 103.6mm |
| Internal Resistance (with wires) | 12m |
| Wire Gauge | Enameled Wire * 110mm |
| Slot/Pole Count | 24N20P |
| Shaft Diameter | IN:8mm / OUT:8mm |
| Battery (LiPo) Voltage | 6S |
| No-load Current (10V) | 3.5A |
| Maximum Current (180s) | 110A |
| Maximum Power (180s) | 2700W |
| Recommended ESC / Propeller | AM116A / 18 * 10 |
| Parameter Item | Parameter Value |
|---|---|
| Test Model | KV520 |
| Weight | 416.3g |
| Motor Dimensions | 63.5 * 103.6mm |
| Internal Resistance (with wires) | 10m |
| Wire Gauge | Enameled Wire * 110mm |
| Slot/Pole Count | 24N20P |
| Shaft Diameter | IN:8mm / OUT:8mm |
| Battery (LiPo) Voltage | 6S |
| No-load Current (10V) | 4.2A |
| Maximum Current (180s) | 130A |
| Maximum Power (180s) | 3200W |
| Recommended ESC / Propeller | AM116A / 18 * 8 |
| Throttle | Voltage (V) | Current (A) | Power (W) | RPM | Torque (Nm) | Thrust (g) | Efficiency (g/W) | Motor Temp. () |
|---|---|---|---|---|---|---|---|---|
| 40% | 23.85 | 10.85 | 258.78 | 4008 | 0.411 | 1909 | 7.38 | |
| 45% | 23.78 | 13.90 | 330.62 | 4414 | 0.499 | 2322 | 7.02 | |
| 50% | 23.69 | 18.05 | 427.49 | 4860 | 0.609 | 2830 | 6.62 | |
| 55% | 23.58 | 22.88 | 539.41 | 5296 | 0.728 | 3388 | 6.28 | |
| 60% | 23.46 | 28.18 | 661.03 | 5700 | 0.848 | 3939 | 5.96 | |
| 65% | 23.32 | 34.40 | 802.29 | 6108 | 0.977 | 4534 | 5.65 | |
| 70% | 23.17 | 41.32 | 957.22 | 6489 | 1.112 | 5161 | 5.39 | |
| 75% | 22.99 | 49.26 | 1132.43 | 6859 | 1.258 | 5834 | 5.15 | |
| 80% | 22.80 | 57.78 | 1317.56 | 7207 | 1.401 | 6516 | 4.95 | |
| 85% | 22.58 | 68.04 | 1536.18 | 7577 | 1.563 | 7235 | 4.71 | |
| 90% | 22.35 | 78.25 | 1748.97 | 7887 | 1.715 | 7921 | 4.53 | |
| 100% | 22.03 | 92.60 | 2039.95 | 8263 | 1.903 | 8733 | 4.28 |
| Throttle | Voltage (V) | Current (A) | Power (W) | RPM | Torque (Nm) | Thrust (g) | Efficiency (g/W) | Motor Temp. () |
|---|---|---|---|---|---|---|---|---|
| 40% | 23.81 | 12.46 | 296.78 | 3835 | 0.501 | 2068 | 6.97 | |
| 45% | 23.72 | 16.51 | 391.56 | 4270 | 0.623 | 2574 | 6.57 | |
| 50% | 23.60 | 21.61 | 510.10 | 4713 | 0.762 | 3147 | 6.17 | |
| 55% | 23.46 | 27.86 | 653.79 | 5140 | 0.919 | 3793 | 5.80 | |
| 60% | 23.31 | 34.62 | 807.02 | 5522 | 1.073 | 4418 | 5.47 | |
| 65% | 23.15 | 42.01 | 972.38 | 5894 | 1.232 | 5076 | 5.22 | |
| 70% | 22.96 | 50.26 | 1154.08 | 6249 | 1.387 | 5707 | 4.95 | |
| 75% | 22.76 | 59.69 | 1358.36 | 6596 | 1.559 | 6408 | 4.72 | |
| 80% | 22.53 | 69.91 | 1575.19 | 6930 | 1.725 | 7061 | 4.48 | |
| 85% | 22.31 | 80.31 | 1791.35 | 7219 | 1.887 | 7728 | 4.31 | |
| 90% | 22.02 | 93.21 | 2052.68 | 7520 | 2.065 | 8464 | 4.12 | |
| 100% | 21.65 | 109.93 | 2380.06 | 7858 | 2.289 | 9349 | 3.93 |
| Throttle | Voltage (V) | Current (A) | Power (W) | RPM | Torque (Nm) | Thrust (g) | Efficiency (g/W) | Motor Temp. () |
|---|---|---|---|---|---|---|---|---|
| 40% | 23.58 | 13.44 | 316.98 | 4303 | 0.471 | 2183 | 6.89 | |
| 45% | 23.52 | 17.20 | 404.44 | 4728 | 0.569 | 2649 | 6.55 | |
| 50% | 23.40 | 22.11 | 517.21 | 5182 | 0.689 | 3212 | 6.21 | |
| 55% | 23.29 | 27.79 | 647.05 | 5618 | 0.816 | 3802 | 5.88 | |
| 60% | 23.16 | 34.44 | 797.57 | 6043 | 0.954 | 4433 | 5.56 | |
| 65% | 23.01 | 41.91 | 964.42 | 6456 | 1.101 | 5110 | 5.30 | |
| 70% | 22.84 | 50.41 | 1151.29 | 6860 | 1.256 | 5823 | 5.06 | |
| 75% | 22.64 | 59.79 | 1353.52 | 7236 | 1.405 | 6534 | 4.83 | |
| 80% | 22.41 | 71.29 | 1597.29 | 7633 | 1.589 | 7361 | 4.61 | |
| 85% | 22.13 | 83.74 | 1852.97 | 8001 | 1.762 | 8137 | 4.39 | |
| 90% | 21.88 | 95.82 | 2096.23 | 8314 | 1.916 | 8822 | 4.21 | |
| 100% | 21.55 | 111.11 | 2394.77 | 8636 | 2.097 | 9617 | 4.02 |
| Throttle | Voltage (V) | Current (A) | Power (W) | RPM | Torque (Nm) | Thrust (g) | Efficiency (g/W) | Motor Temp. () |
|---|---|---|---|---|---|---|---|---|
| 40% | 23.63 | 15.75 | 372.12 | 4124 | 0.591 | 2440 | 6.56 | |
| 45% | 23.49 | 21.07 | 495.03 | 4599 | 0.735 | 3032 | 6.13 | |
| 50% | 23.35 | 27.43 | 640.54 | 5060 | 0.889 | 3666 | 5.72 | |
| 55% | 23.21 | 34.50 | 800.90 | 5481 | 1.046 | 4309 | 5.38 | |
| 60% | 23.04 | 42.66 | 983.03 | 5872 | 1.217 | 5014 | 5.10 | |
| 65% | 22.86 | 51.69 | 1181.44 | 6253 | 1.392 | 5728 | 4.85 | |
| 70% | 22.63 | 62.12 | 1405.87 | 6618 | 1.576 | 6462 | 4.60 | |
| 75% | 22.39 | 73.44 | 1644.20 | 6961 | 1.757 | 7199 | 4.38 | |
| 80% | 22.14 | 85.44 | 1891.43 | 7276 | 1.932 | 7907 | 4.18 | |
| 85% | 21.83 | 99.60 | 2174.43 | 7585 | 2.124 | 8649 | 3.98 | |
| 90% | 21.52 | 113.60 | 2444.89 | 7854 | 2.297 | 9357 | 3.83 | |
| 100% | 21.14 | 131.23 | 2773.70 | 8138 | 2.503 | 10132 | 3.65 |
Q: KV480 or KV520, which one should I choose?
A: Please refer to the “Expert Advice” and “Matching Table” above.
Choose KV480 if you value flight efficiency, smooth control feel, and longer endurance, or if your aircraft weight is at the mid to lower end of the recommended range.
Choose KV520 if you pursue absolute peak thrust, the most aggressive vertical performance, and the fastest acceleration response, and if your aircraft is larger or heavier.
Q: What are the specific benefits of the propeller hub’s 3mm adjustable design?
A: This design addresses the pain point of installation precision. It allows you to make a 3mm fine adjustment of the propeller shaft position during motor installation. This ensures:
Q: How does the data telemetry from the intelligent ESC help me during actual flight?
A: This data transforms post-flight “guesswork” into in-flight “control.”
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