E-flite Power 25 Heli Brushless Outrunner Motor, 1000Kv User Manual
Power 25 heli brushless outrunner instructions
Power 25 Heli Brushless Outrunner Instructions
Thank you for purchasing the E-flite Power 25 Heli Brushless Outrunner motor. The Power 25 Heli motor is purpose-built
for the JR Vibe 500E Pro Heli (JRP9540)
Power 25 Heli Brushless Outrunner Features:
• Easily accepts the gearing including with the Vibe 500E
• Provides outstanding power resulting in aggressive 3D performance
• Designed for 6S Li-Po to power
• External rotor design with built-in cooling fan
• High torque, direct drive alternative to inrunner brushless motors
• Quiet, lightweight operation
• High quality construction with ball bearings and hardened steel shaft
• Slotted 12-pole outrunner design
Power 25 Heli Specifications
Diameter: 35mm (1.40 in)
Case Length: 56mm (2.20 in)
Weight: 196g (6.9 oz)
Shaft Diameter: 5mm (.20 in)
EFLM4025H
Kv: 1000 (rpms per volt)
Ri: .026 ohms (resistance)
Io: 2.60A @ 20V (no load current)
Continuous Current: 38A*
Max Burst Current: 58A* (15 sec)
Cells: 4S-6S Li-Po or 12-18 cells Ni-Mh/Ni-Cd
Required ESC: 60A with Heli Mode (EFLA1060)
* Maximum Operating Temperature: 220 degrees Fahrenheit
* Adequate cooling is required for all motor operation at maximum current levels.
* Maximum Burst Current duration is 30 seconds. Adequate time between maximum burst intervals is required for proper
cooling and to avoid overheating the motor.
* Maximum Burst Current rating is for 3D and limited motor run flights. Lack of proper throttle management may result in
damage to the motor since excessive use of burst current may overheat the motor.
Battery Choices:
We recommend either E-flite or Thunder Power batteries and list some possible choices for the Power 25 Heli Brushless
Outrunner motor, all depending on the airplane application. Battery technology is constantly changing and manufacturers
are improving and updating older packs with new ones so the list below may generally have new substitutions.
THP22506SP30
2250mAh 6-Cell/6S 22.2V Pro Power 30C Li-Po
THP26006SPL2
2600mAh 6Cell/6S 22.2V 20C Pro Lite V2 LiPo
THP27006SP30
2700mAh 6-Cell/6S 22.2V Pro Power 30C Li-Po
Accessories and Spare Parts:
See our web site at for our complete line of brushless motors. We have
posted a specification comparison sheet on our web site so you can compare the different motors we offer.
EFLA110
Power Meter (measures power output in amps, volts, watts, and capacity)
EFLA241
Gold Bullet Connector Set, 3.5mm (3)
EFLA1060
60A Pro SB Brushless ESC