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Brushless Motor for Electric Multi-Rotor (sUAS) Series

The new KDE Direct 3510XF-715 Multi-Rotor Brushless Motor is an extremely efficient and powerful motor for numerous multi-rotor and sUAS applications, and was designed to bring high-quality and vibration-free motors to the market. The motors are designed with performance and durability in-mind, with features unseen in the current market:

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(1) high-grade, 240°C continuous (340°C maximum) high-temperature solid-core copper windings for failure-free operation in extreme-climates, (2) Japanese-built, 0.2 mm silicon-steel stator laminations and Kevlar tie-wraps for high-efficiency performance, and (3) triple-bearing supported, ABEC-7 bearings for maintenance-free and worry-free flying for hundreds of hours. These are just a few of the advantages built-in to these motors, and every detail of the motors was scrutinized to produce the absolute best available; for a wide-range of flight applications.

Motor includes 200°C, 15 AWG, 760mm silicone-wire leads and ф3.5mm 24K Bullet Connectors (KDEXF-BC35, pre-soldered to the motor leads and ESC matching Bullet Connectors).

Material: Neodymium N45UH

Models: Universal mounting pattern provides simple installation for a wide-range of multi-rotor and sUAS applications: M3 x ф25mm, M4 x ф25mm, M3 x ф32mm, M2.5 x ф32mm.


  • Clear anodize, mirror-polish CNC gloss endbells
  • Black electro-plate, CNC gloss central core (flux ring)

Compatible With:

Full Specifications:

Kv (Motor Velocity Constant) 715 RPM/V
Kt (Motor Torque Constant) 0.0134 Nm/A
Km (Motor Constant) 0.0575 Nm/√(W)
Maximum Continuous Current* 45 A (180 s)
Maximum Continuous Power* 665 W (180 s)
Voltage Range 11.1 V (3S LiPo) - 21.8 V (5S LiHV)
Io (@10V) 0.5 A
Rm (Wind Resistance) 0.054 Ω
Stator Poles 12 (12S14P)
Magnetic Poles 14 (12S14P)
Bearings Triple, MR105ZZ, 625ZZ
Mount Pattern M4/3 x ф25 mm, M3/2.5 x ф32 mm
Stator Class 3510, 0.2 mm Japanese
Shaft Diameter ф4 mm (ф5 mm Internal)
Shaft Length 5.5 mm
Motor Diameter ф42.2 mm
Motor Rotor Inertia 0.139 kg*cm^2
Motor Length 35 mm
Motor Weight 120 g (175 g with Wires/Bullets)
Propeller Blade Size Up to 15.5"-TP (15.5"-DP Maximum on 4S)
Motor Advance Timing 22° - 30°
Motor Drive Frequency 16 - 32 kHz

*: Brushless motor requires consistent open airflow (5 mph or greater) across the windings to maintain maximum continuous current and power ratings during operation. Performance figures are provided as guidelines for normal conditions and operation; environmental factors, such as air temperature and humidity, can significantly alter the maximum performance limits of the motor.

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