NEW KDE DIRECT 400KV ELECTRIC MOTORS FOR DRONE

6 new KDE Direct electric motors, KDE4012XF-400 for quadcopter, hexacopter or drone. They have never been used or installed, still in original box. You won't find a better quality motor then KDE.

Description: The new KDE Direct 4012XF-400 (D5) Multi-Rotor Brushless Motor is an extremely efficient and powerful motor for numerous multi-rotor and heavy-lift 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: (1) high-grade, 240 deg-C continuous (340deg-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.

Specifications: Kv (Motor Velocity Constant) 400 RPM/V Kt (Motor Torque Constant) 0.0239 Nm/A Km (Motor Constant) 0.0844 Nm/√(W) Maximum Continuous Current* 32 A (180 s) Maximum Continuous Power* 945 W (180 s) Voltage Range 14.8 V (4S LiPo) - 34.8 V (8S LiHV) Io (@10V) 0.5 A Rm (Wind Resistance) 0.080 Ω Stator Poles 18 (18S24P) Magnetic Poles 24 (18S24P) Bearings Triple, 685ZZ/625ZZ Mount Pattern M4/3 x ф25 mm, M3/2.5 x ф32 mm Stator Class 4012, 0.2 mm Japanese Shaft Diameter ф4 mm (ф5 mm Internal) Shaft Length 5.5 mm Motor Diameter ф46.5 mm Motor Length 30 mm Motor Weight 145 g (200 g with Wires/Bullets) Propeller Blade Size Up to 18.5"-TP (15.5"-DP Maximum on 8S) Motor Timing 22° - 30° ESC PWM Rate 16 - 32 kHz (600 Hz)