KDE DIRECT 1708H/1Y-N42 HP BRUSHLESS MOTOR
FOR 500-CLASS ELECTRIC HELICOPTER SERIES

Item Number: KDE1708H-N42

Material: Neodymium N42 Core, 1430kV
Models: 500-class helicopters with compatible M3 x 25mm mounting profile.

Recommended Accessories:
TREX 500 SERIES MOTOR MOUNT UPGRADE

Note: the new KDE Direct 1708/1Y-N42 High-Performance Brushless Motor is an extremely efficient and powerful motor for
any 500-sized electronic helicopter, and was designed as a drop-in powerhouse for the TREX 500 series of helicopters.  In
collaboration with Neumotors, the motor is custom designed for KDE Direct and has an updated N42 magnet core,
extremely low resistance windings, easily replaceable bearings, and an improved cooling system to allow for sport and
hard-3D flight.  The motor is designed to handle extreme-power setups and has been optimized for governor-control
algorithms of common ESCs on the market; making this motor the most capable offering in the RC helicopter marketplace.





















































Finish:
Black anodized CNC housing, clear anodized CNC shroud and fan components
Mount Pattern
M3 x 25mm
Shaft Diameter
5 mm
Shaft Length
21.5 mm
Motor Diameter
44 mm (49 mm Shroud)
Motor Length
46 mm
Motor Weight
205 g
Cooling System
High-Volume Fan
ESC PWM Rate
11-16 kHz
kV
1,430 rpm/V
Maximum Power
3,000+ W
Maximum Voltage
25.2 V (6S)
Maximum Efficiency
93 %
Io (@10V)
2.2 A
Rm (Winding Resistance)
0.012 Ω
Maximum Speed
35,000 rpm
Rotor Poles
8 (24 Pole Stator)
Bearings
F695ZZ
HIGH PERFORMANCE
FLIGHT VIDEO
YOUTUBE
PROGRAM DISCONTINUED