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Midi fan evo hetrc 650-68-1600


This product is currently out of stock

Product Information

WeMoTec Midi Fan Evo Ducted fan unit / HET 650-68-1600,
completely assembled, precision balanced and harmonically tuned

89 mm ducted fan unit (11-blades)
6-8s Lipo cells
2,3-3,7 kp of thrust
completely mounted, checked, completely balanced and harmonically tuned.

Modern high efficiency multi bladed fan unit.

The fan unit comes completely mounted with a HET 650-68-1600 motor. 
The unit is assembled and checked at factory, precision balanced and harmonically tuned.






22,2 V

25,9 V


62.0 A

76.0 A


1376 W

1968 W


2,58 kp

3,22 kp

 efflux velocity

64,67 m/s

72,22 m/s





> 80 A / LV

> 90 A / HV


3.100-4.200 mAh

3.800-5.000 mAh

The controller should be chosen 20% over rated due to the long lasting load
LV = low voltage controller up to 6s, HV = high voltage controller above 6s
Battery should be chosen about 15/ - 1/20 of the max current for 4-3 minutes WOT. 30-40 C is appropriate.

Set comprises:
1 x Midi Fan pro ducted fan unit
1 x HET 650-68-1600

 inner diameter: 89,0 mm
 outer diameter: 92,0 mm
 length of shroud: 60 mm, w/o intake lip
 weight, complete: 402 grams (opt. intake ring + 19g)
 fan swept area: 49,40 sqcm
 rotor: 11 blades, Nylon (glass reinforced)
 rec. thrust tube dia.: 75 mm diameter
 Timing ESC: approx. 6° (4-pole motor)
 PWM: 8-12 kHz

We measure with a constant voltage of 3.7 V / cell. 
Current and thrust are measured with a small intake lip (r=6 mm) at 21° C, 50m asl and standard pressure.
Depending on battery, controller and installation you may see higher or lower figures.

Product Code: MIDVJF5G26

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