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Midi fan evo hetrc 650-68-1500


This product is currently out of stock

Product Information

WeMoTec Midi Fan Evo Ducted fan unit / HET 650-68-1500,
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 650-68-1500 motor. 
The unit is assembled and checked at factory, precision balanced and harmonically tuned.







22,2 V

25,9 V

29,6 V


51,5 A

63,5 A

80,0 A


1143 W

1645 W

2368 W


2,31 kp

2,92 kp

3,69 kp

 efflux velocity

61,06 m/s

68,81 m/s

77,33 m/s






> 60 A / LV

> 80 A / HV

> 90 A / HV


2.500-3.400 mAh

3.100-4.200 mAh

4.000-5.300 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 650-68-1500

 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: MIDAA1CK65

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