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LJ7215 KV260

By Yahree Aeropower Tech Co., Ltd. ↗

The Yahree LJ7215 KV260 is a fixed-wing UAV propulsion motor with a 24N22P architecture and a 556 +/-10 g weight. It is specified around an 8S LiPo system, a 120 A ESC and a 1910 propeller, with continuous and short-duration electrical limits and OEM/ODM customization options.

Motor diameter81.4 +/-0.1 mm
Motor length53 +/-0.5 mm
Slots and poles24N22P
Motor KV260 +/-5% RPM/V
Free-load current3.8 A maximumAt 20 V.
Phase-to-phase resistance14.9 +/-8% mΩAt 25°C.

Product overview

The Yahree LJ7215 KV260 is a propulsion motor for fixed-wing UAV integration. Its 24N22P architecture combines a diameter of 81.4 +/-0.1 mm with a length of 53 +/-0.5 mm and a weight of 556 +/-10 g, defining the motor envelope and mass to accommodate in an aircraft installation. The standard electrical specification is 260 +/-5% RPM/V. Recommended supporting components are an 8S LiPo battery, an 8S / 120 A ESC and a 1910 propeller. Custom KV, appearance and color options are available for OEM/ODM projects.

At 29.3 V, the motor is rated for a maximum continuous 80 A / 2344 W, with a temperature of 85°C at maximum continuous current. The higher 110 A / 3223 W rating is limited to 15 seconds. Magnet operating temperature has a 150°C maximum, with 120°C recommended as the maximum. With the 1910 propeller, the performance data span 2170 g thrust at 30% throttle and 29.3 V to 8250 g at full throttle and 29.0 V. Thrust depends on the propeller, voltage and test conditions.

Specifications

SpecificationValue & conditions
Motor diameter81.4 +/-0.1 mm
Motor length53 +/-0.5 mm
Slots and poles24N22P
Motor KV260 +/-5% RPM/V
Free-load current3.8 A maximumAt 20 V.
Phase-to-phase resistance14.9 +/-8% mΩAt 25°C.
Maximum continuous current and power80 A / 2344 WAt 29.3 V.
Temperature at maximum continuous current85°CAt maximum continuous current.
Maximum current and power110 A / 3223 WAt 29.3 V; 15 seconds maximum.
Motor weight556 +/-10 g
Recommended LiPo battery8S
Recommended ESC8S / 120 A
Recommended propeller1910
Maximum magnet operating temperature150°C; recommended maximum 120°CMagnet temperature; recommended maximum 120°C.
Motor torque constantKt: 413.15 g.cm/A
Motor constantCn: 0.05 rpm/g.cm
OEM/ODM customizationCustom KV, appearance and color options for OEM/ODM projects
Performance at 30% throttle
  • Voltage: 29.3 V;
  • thrust: 2170 g;
  • current: 10.7 A;
  • power: 313.51 W;
  • efficiency: 6.92 g/W
LJ7215 KV260 motor with 1910 propeller; 30% throttle.
Performance at 40% throttle
  • Voltage: 29.3 V;
  • thrust: 2870 g;
  • current: 14.3 A;
  • power: 418.99 W;
  • efficiency: 6.85 g/W
LJ7215 KV260 motor with 1910 propeller; 40% throttle.
Performance at 50% throttle
  • Voltage: 29.3 V;
  • thrust: 3610 g;
  • current: 16.2 A;
  • power: 474.66 W;
  • efficiency: 7.61 g/W
LJ7215 KV260 motor with 1910 propeller; 50% throttle.
Performance at 60% throttle
  • Voltage: 29.2 V;
  • thrust: 4410 g;
  • current: 26.8 A;
  • power: 782.56 W;
  • efficiency: 5.64 g/W
LJ7215 KV260 motor with 1910 propeller; 60% throttle.
Performance at 70% throttle
  • Voltage: 29.2 V;
  • thrust: 5270 g;
  • current: 34.5 A;
  • power: 1007.4 W;
  • efficiency: 5.23 g/W
LJ7215 KV260 motor with 1910 propeller; 70% throttle.
Performance at 73% throttle
  • Voltage: 29.2 V;
  • thrust: 5560 g;
  • current: 37.4 A;
  • power: 1092.08 W;
  • efficiency: 5.09 g/W
LJ7215 KV260 motor with 1910 propeller; 73% throttle.
Performance at 80% throttle
  • Voltage: 29.1 V;
  • thrust: 6270 g;
  • current: 44.5 A;
  • power: 1294.95 W;
  • efficiency: 4.84 g/W
LJ7215 KV260 motor with 1910 propeller; 80% throttle.
Performance at 90% throttle
  • Voltage: 29.1 V;
  • thrust: 7330 g;
  • current: 56.1 A;
  • power: 1632.5 W;
  • efficiency: 4.5 g/W
LJ7215 KV260 motor with 1910 propeller; 90% throttle.
Performance at 100% throttle
  • Voltage: 29.0 V;
  • thrust: 8250 g;
  • current: 66.2 A;
  • power: 1919.8 W;
  • efficiency: 4.30 g/W
LJ7215 KV260 motor with 1910 propeller; 100% throttle.
Thrust performance dependencyThrust varies with propeller, voltage and test conditionsPropeller, voltage and test conditions affect thrust performance.

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