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COMPONENT

LJ7224

By Yahree Aeropower Tech Co., Ltd. ↗

The Yahree Aeropower Tech Co., Ltd. LJ7224 is a fixed-wing UAV propulsion motor with a 160 KV configuration and 24-slot, 22-pole architecture. It weighs 770+/-15 g and supports integration around recommended 14S electrical equipment and 2214 or 2210 propellers, with distinct continuous, short-duration and thermal limits.

Motor dimensionsDiameter: 81.4+/-0.15 mm; length: 62+/-0.5 mm
Slots and poles24N22P
Motor KV160+/-5% RPM/V
Free-load current3.5 A maximumAt 20 V.
Phase-to-phase resistance17.1+/-7% mΩAt 25°C.
Maximum continuous current and power107 A / 4750.8 WAt 44.4 V.

Product overview

The Yahree Aeropower Tech Co., Ltd. LJ7224 is a propulsion motor for fixed-wing UAV integration. Its 160 KV version uses a 24-slot, 22-pole architecture, with an 81.4+/-0.15 mm diameter and 62+/-0.5 mm length defining the motor envelope. Weight is 770+/-15 g. Recommended supporting components are a 14S LiPo battery, a 14S/130 A ESC and a 2214 or 2210 propeller. Custom KV, appearance and color options are available for OEM/ODM projects.

Electrical and thermal limits distinguish continuous operation from short bursts: at 44.4 V, the continuous rating is 107 A/4750.8 W, while 130 A/5772 W is limited to 15 seconds. Temperature at maximum continuous current is 85°C; the magnet operating limit is 150°C, with a recommended maximum of 120°C. Propeller selection changes the operating result: at full throttle, the 2214 configuration produces 16640 g at 43.8 V, while the 2210 configuration produces 13320 g at 44 V. Thrust varies with propeller, voltage and test conditions.

Specifications

SpecificationValue & conditions
Motor dimensionsDiameter: 81.4+/-0.15 mm; length: 62+/-0.5 mm
Slots and poles24N22P
Motor KV160+/-5% RPM/V
Free-load current3.5 A maximumAt 20 V.
Phase-to-phase resistance17.1+/-7% mΩAt 25°C.
Maximum continuous current and power107 A / 4750.8 WAt 44.4 V.
Motor temperature85°CAt maximum continuous current.
Maximum current and power130 A / 5772 WAt 44.4 V; 15 seconds maximum.
Motor weight770+/-15 g
Recommended battery14S LiPo
Recommended ESC14S / 130 A
Recommended propellers2214 / 2210
Maximum magnet operating temperature150°CRecommended maximum: 120°C.
Motor constantsKt: 659.71 g.cm/A; Cn: 0.02 rpm/g.cm
2214 performance at 30%
  • Voltage: 44.4 V;
  • thrust: 4470 g;
  • current: 14.9 A;
  • power: 661.56 W;
  • efficiency: 6.76 g/W
KV160 motor; 2214 propeller; 30% throttle.
2214 performance at 40%
  • Voltage: 44.4 V;
  • thrust: 5680 g;
  • current: 21.4 A;
  • power: 950.16 W;
  • efficiency: 5.98 g/W
KV160 motor; 2214 propeller; 40% throttle.
2214 performance at 50%
  • Voltage: 44.3 V;
  • thrust: 7210 g;
  • current: 29.4 A;
  • power: 1302.42 W;
  • efficiency: 5.54 g/W
KV160 motor; 2214 propeller; 50% throttle.
2214 performance at 60%
  • Voltage: 44.3 V;
  • thrust: 8970 g;
  • current: 39.9 A;
  • power: 1767.57 W;
  • efficiency: 5.07 g/W
KV160 motor; 2214 propeller; 60% throttle.
2214 performance at 70%
  • Voltage: 44 V;
  • thrust: 11490 g;
  • current: 53.8 A;
  • power: 2367.2 W;
  • efficiency: 4.85 g/W
KV160 motor; 2214 propeller; 70% throttle.
2214 performance at 80%
  • Voltage: 44 V;
  • thrust: 12260 g;
  • current: 68.1 A;
  • power: 2996.4 W;
  • efficiency: 4.09 g/W
KV160 motor; 2214 propeller; 80% throttle.
2214 performance at 90%
  • Voltage: 43.9 V;
  • thrust: 14180 g;
  • current: 84.8 A;
  • power: 3722.72 W;
  • efficiency: 3.81 g/W
KV160 motor; 2214 propeller; 90% throttle.
2214 performance at 100%
  • Voltage: 43.8 V;
  • thrust: 16640 g;
  • current: 107.5 A;
  • power: 4708.5 W;
  • efficiency: 3.53 g/W
KV160 motor; 2214 propeller; 100% throttle.
2210 performance at 30%
  • Voltage: 44.4 V;
  • thrust: 3300 g;
  • current: 9.6 A;
  • power: 426.24 W;
  • efficiency: 7.74 g/W
KV160 motor; 2210 propeller; 30% throttle.
2210 performance at 40%
  • Voltage: 44.4 V;
  • thrust: 4270 g;
  • current: 13.4 A;
  • power: 594.96 W;
  • efficiency: 7.18 g/W
KV160 motor; 2210 propeller; 40% throttle.
2210 performance at 50%
  • Voltage: 44.3 V;
  • thrust: 5460 g;
  • current: 19.2 A;
  • power: 850.56 W;
  • efficiency: 6.42 g/W
KV160 motor; 2210 propeller; 50% throttle.
2210 performance at 60%
  • Voltage: 44.3 V;
  • thrust: 6820 g;
  • current: 25.9 A;
  • power: 1147.37 W;
  • efficiency: 5.94 g/W
KV160 motor; 2210 propeller; 60% throttle.
2210 performance at 70%
  • Voltage: 44.3 V;
  • thrust: 8360 g;
  • current: 35.0 A;
  • power: 1550.5 W;
  • efficiency: 5.39 g/W
KV160 motor; 2210 propeller; 70% throttle.
2210 performance at 80%
  • Voltage: 44.1 V;
  • thrust: 9800 g;
  • current: 45.2 A;
  • power: 1993.32 W;
  • efficiency: 4.92 g/W
KV160 motor; 2210 propeller; 80% throttle.
2210 performance at 90%
  • Voltage: 44 V;
  • thrust: 12260 g;
  • current: 64.6 A;
  • power: 2842.4 W;
  • efficiency: 4.31 g/W
KV160 motor; 2210 propeller; 90% throttle.
2210 performance at 100%
  • Voltage: 44 V;
  • thrust: 13320 g;
  • current: 73.3 A;
  • power: 3225.2 W;
  • efficiency: 4.13 g/W
KV160 motor; 2210 propeller; 100% throttle.

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