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COMPONENT

YP8120

By Yahree Aeropower Tech Co., Ltd. ↗

The Yahree Aeropower Tech Co., Ltd. YP8120 is a multi-rotor UAV propulsion motor with a 115 KV configuration, 36-slot/42-pole architecture and 660+/-20 g weight. Recommended integration uses 12-14S LiPo power and a 14S/100A ESC. Propeller-dependent performance and separate continuous and 15-second maximum ratings govern its application.

Motor dimensionsDiameter: 91+/-0.1 mm; length: 46+/-0.5 mm.115 KV version.
Slots and poles36N42P.115 KV version.
Motor speed constant115+/-5% RPM/V.115 KV version.
Free-load current2.3 A.115 KV version; at 20 V.
Maximum phase-to-phase resistance37+/-7% mΩ.115 KV version; at 25°C.
Maximum continuous current, power and temperature65 A / 3120 W; temperature at maximum continuous current: 73°C.115 KV version; at 45 V.

Product overview

Yahree Aeropower Tech Co., Ltd.’s YP8120 is a Standard Series propulsion motor for multi-rotor UAV integration. Its 115 KV configuration combines a 36-slot, 42-pole architecture with a diameter of 91+/-0.1 mm, a length of 46+/-0.5 mm and a mass of 660+/-20 g. These dimensions define the motor envelope for installation planning. Electrical integration recommendations are a 12-14S LiPo battery and a 14S/100A ESC, with 3090, 3011 or 30112 propellers. OEM/ODM projects can specify custom KV, appearance and color options.

The 115 KV motor has a maximum continuous rating of 65 A / 3120 W at 45 V, with a temperature of 73°C at maximum continuous current. Its higher 90 A / 4320 W rating at 45 V is limited to 15 seconds. Magnet temperature has a 150°C maximum and a recommended maximum of 120°C. Propeller selection affects thrust and electrical demand: at 100% throttle and 44.8 V, the 3011 configuration delivers 19190 g at 80 A, while the 30112 configuration delivers 18850 g at 67.7 A. Thrust also varies with voltage and test conditions.

Specifications

SpecificationValue & conditions
Motor dimensionsDiameter: 91+/-0.1 mm; length: 46+/-0.5 mm.115 KV version.
Slots and poles36N42P.115 KV version.
Motor speed constant115+/-5% RPM/V.115 KV version.
Free-load current2.3 A.115 KV version; at 20 V.
Maximum phase-to-phase resistance37+/-7% mΩ.115 KV version; at 25°C.
Maximum continuous current, power and temperature65 A / 3120 W; temperature at maximum continuous current: 73°C.115 KV version; at 45 V.
Maximum current and power90 A / 4320 W.115 KV version; at 45 V; 15 s maximum.
Motor weight660+/-20 g.115 KV version.
Recommended battery12-14S LiPo.115 KV version.
Recommended ESC14S/100A.115 KV version.
Recommended propellers3090 / 3011 / 30112.115 KV version.
Magnet operating temperatureMaximum: 150°C; recommended maximum: 120°C.115 KV version; magnet temperature.
Motor constantsTorque constant Kt: 880 g.cm/A; motor constant Cn: 0.03 rpm/g.cm.115 KV version.
Customization optionsCustom KV, appearance and color options.OEM/ODM projects.
3011 performance at 30% throttle
  • Voltage: 45.3 V;
  • thrust: 5640 g;
  • current: 12.4 A;
  • power: 561.72 W;
  • efficiency: 10.04 g/W.
YP8120 115KV motor; 3011 propeller; 30% throttle.
3011 performance at 40% throttle
  • Voltage: 45.3 V;
  • thrust: 7340 g;
  • current: 17.9 A;
  • power: 810.87 W;
  • efficiency: 9.05 g/W.
YP8120 115KV motor; 3011 propeller; 40% throttle.
3011 performance at 50% throttle
  • Voltage: 45.2 V;
  • thrust: 8980 g;
  • current: 23.7 A;
  • power: 1071.24 W;
  • efficiency: 8.38 g/W.
YP8120 115KV motor; 3011 propeller; 50% throttle.
3011 performance at 60% throttle
  • Voltage: 45.2 V;
  • thrust: 11190 g;
  • current: 31.3 A;
  • power: 1414.76 W;
  • efficiency: 7.91 g/W.
YP8120 115KV motor; 3011 propeller; 60% throttle.
3011 performance at 70% throttle
  • Voltage: 45 V;
  • thrust: 12990 g;
  • current: 41.6 A;
  • power: 1872 W;
  • efficiency: 6.94 g/W.
YP8120 115KV motor; 3011 propeller; 70% throttle.
3011 performance at 80% throttle
  • Voltage: 44.9 V;
  • thrust: 14550 g;
  • current: 53 A;
  • power: 2379.7 W;
  • efficiency: 6.11 g/W.
YP8120 115KV motor; 3011 propeller; 80% throttle.
3011 performance at 90% throttle
  • Voltage: 44.8 V;
  • thrust: 17810 g;
  • current: 68.3 A;
  • power: 3059.84 W;
  • efficiency: 5.82 g/W.
YP8120 115KV motor; 3011 propeller; 90% throttle.
3011 performance at 100% throttle
  • Voltage: 44.8 V;
  • thrust: 19190 g;
  • current: 80 A;
  • power: 3584 W;
  • efficiency: 5.35 g/W.
YP8120 115KV motor; 3011 propeller; 100% throttle.
30112 performance at 30% throttle
  • Voltage: 45.3 V;
  • thrust: 5200 g;
  • current: 10.6 A;
  • power: 480.18 W;
  • efficiency: 10.83 g/W.
YP8120 115KV motor; 30112 propeller; 30% throttle.
30112 performance at 40% throttle
  • Voltage: 45.3 V;
  • thrust: 6810 g;
  • current: 15.7 A;
  • power: 711.21 W;
  • efficiency: 9.58 g/W.
YP8120 115KV motor; 30112 propeller; 40% throttle.
30112 performance at 50% throttle
  • Voltage: 45.2 V;
  • thrust: 8360 g;
  • current: 20.7 A;
  • power: 935.64 W;
  • efficiency: 8.94 g/W.
YP8120 115KV motor; 30112 propeller; 50% throttle.
30112 performance at 60% throttle
  • Voltage: 45.2 V;
  • thrust: 10160 g;
  • current: 27 A;
  • power: 1220.4 W;
  • efficiency: 8.33 g/W.
YP8120 115KV motor; 30112 propeller; 60% throttle.
30112 performance at 70% throttle
  • Voltage: 45 V;
  • thrust: 12490 g;
  • current: 35.3 A;
  • power: 1588.5 W;
  • efficiency: 7.86 g/W.
YP8120 115KV motor; 30112 propeller; 70% throttle.
30112 performance at 80% throttle
  • Voltage: 44.9 V;
  • thrust: 14400 g;
  • current: 45.5 A;
  • power: 2042.95 W;
  • efficiency: 7.05 g/W.
YP8120 115KV motor; 30112 propeller; 80% throttle.
30112 performance at 90% throttle
  • Voltage: 44.8 V;
  • thrust: 16910 g;
  • current: 57 A;
  • power: 2553.6 W;
  • efficiency: 6.62 g/W.
YP8120 115KV motor; 30112 propeller; 90% throttle.
30112 performance at 100% throttle
  • Voltage: 44.8 V;
  • thrust: 18850 g;
  • current: 67.7 A;
  • power: 3032.96 W;
  • efficiency: 6.22 g/W.
YP8120 115KV motor; 30112 propeller; 100% throttle.

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