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T-MOTOR U8Ⅱ Efficiency Multirotor UAV Motor KV85

The T-MOTOR U8Ⅱ Efficiency Multirotor UAV Motor KV85 is designed for professional surveillance, cruise, security, surveying and mapping applications. It combines silver winding, curved magnets and customized bearings with IP45 protection. Rated for 12S LiPo power, it comes with a hardware pack.

T-MOTORDrone motor
KV
85
Peak current
19.1 A
Motor weight
277 g
Rated voltage
12S
Ingress protection
IP45

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Product overview

The T-MOTOR U8Ⅱ Efficiency Multirotor UAV Motor KV85 serves surveillance, cruise, security and protection, surveying and mapping applications. Its construction combines silver winding, iron-cobalt alloy magnets and imported customized bearings. Curved magnets use controlled tolerances and spacing to support the motor’s magnetic circuit. The industrial-grade design incorporates large bearings, low-noise operation and IP45 protection against water and dust. Motor service life is 1500 flights at 40 minutes per flight, with an MTBF of about 1000 hours.

The KV85 motor is rated for a 12S LiPo battery and recommended for 28–29-inch propellers. It measures 87.1mm in diameter and 29.1mm in height, with a 15mm shaft and a weight of 277g including cable. Idle current is 0.5A at 18V, while peak current is 19.1A for 180 seconds. Maximum continuous power is 226W. Each package contains one U8Ⅱ KV85 motor and one hardware pack; recommended matching components are the T-MOTOR G28*9.2 propeller and ALPHA 60A 12S ESC.

Motors & ESCs

Specifications

T-MOTOR U8Ⅱ Efficiency Multirotor UAV Motor KV85 specifications
SpecificationValue & conditions
ProductT-MOTOR U8Ⅱ Efficiency Multirotor UAV Motor KV85
ApplicationsSurveillance, cruise, security and protection, surveying and mapping
Diameter87.1mm
Lead specification90mm
Height29.1mm
Ingress protectionIP45
Shaft diameter15mm
Packing size130*111*50.6mm
Configuration36N42P
KV85
Rated voltage12SLiPo battery.
Motor weight277gIncluding cable.
Recommended propeller size28-29”
Idle current0.5A18V.
Quadcopter weight10kgQuadcopter with 28CF propellers.
Internal resistance225±5mΩ
Hexacopter weight15kgHexacopter with 28CF propellers.
Peak current19.1A180s.
Octocopter weight20kgOctocopter with 28CF propellers.
Maximum continuous power226W
MTBFAbout 1000hours
Motor service life1500 flights40mins/flight.
Winding and magnetsIron-cobalt alloy magnets and silver winding
Magnet geometryCurved magnets with precise tolerance control and spacing for the motor magnetic circuit
BearingsImported customized bearings
Construction featuresIndustrial grade, waterproof, dustproof, low noise, large bearings
Packing contents1x T-MOTOR U8Ⅱ Motor KV85; 1x hardware packIncluded equipment.
Recommended matching componentsT-MOTOR G28*9.2 propeller / ALPHA 60A 12S ESC

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