T-Motor's U-Power motors are the culmination of years of experience and development to provide the highest quality grade motor system to meet even the most stringent demands in reliability, durability, power and efficiency. The U-Power series has been divided into two categories: Power and Endurance. The Power Series features the U3, U5, U7 and U11. The Efficiency Series features the U6 and U8, designed for longer flight times. What really pushes these motors above and beyond is their waterproof and dirt resistant design and they have been designed for and tested against military test standards. The unique housing design of the head pumps up to 2.5 times more air through the motor than our MT and MN series. Oxygen-free copper wire is hand wound for the best possible energy transfer. This motor features oversized German bearings that not only run smooth and silent, but have long life(160 hours MTBF). Every bit of this motor from the stators with .2mm lamination, to the hardened aluminum motor ends has been engineered to perform. Box includes motor and two styles of prop adapters, 6mm adapter screw type, as well as a flat clamp type. Motor mount pattern features offset 16x19 and 19x25 offset X pattern with M3 holes. Item may require additional mounting hardware for select applications. Propeller adapter features a M6 shaft. Using mounting screws which are too long may result in damaged to the internal wiring causing a short circuit and ultimately motor failure. Recommended Setup: 25 Amp ESC, 3-4S LiPo, 12x4CF-14x4.8CF (@11.1V) or 11x3.7CF-13x4.4CF (@14.8V)Propellers Motor Specifications: kV=700; Configuration=12N14P; Motor Dimensions (Diameter x Length)=Φ41.8x30.75mm; Weight(g)=97g; Number of Cells(LiPo)=3-4S; Max Continuous current(A)180S=25A; Max Continuous Power(W)180S=500W; Max. Efficiency current= (4-10A)>82%; internal resistance=50mΩ.
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