Midi Fan evo ducted fan unit / HET 650-58-1970, completely mounted, balanced and harmonically tuned

Item number: MDE 650-58-1970

89 mm ducted fan unit (11-blades)
4-6s Lipo cells
1,66-3,20 kp of thrust
completely mounted, checked, completely balanced and harmonically tuned

Category: with HET 650-58 motors


189,90 €

including 19% VAT. , plus shipping

Recommended retail price: 189,90 €
Available now!

Shipping time: 2 - 3 workdays



Modern high efficiency multi bladed fan unit.

The fan unit comes completely mounted with a HET 650-58-1970 motor.
The unit is assembled and checked at factory, precision balanced and harmonically tuned.


Readings
 
4s

5s

6s

 Voltage
 14,8 V
 18,5 V
22,2 V
 Current
48,50 A
 72,0 A
 91,0 A
 Power
718 W
1332 W
2020 W
 rpm      
 thrust
1,66 kp
2,48 kp
3,20 kp
 efflux velocity
51,90 m/s
63,41 m/s
72,02 m/s
 efficiency
0,59
0,58
0,56
 controller
> 60A / LV
> 80A / LV
> 110A / LV
 Battery
2.500-3.200 mAh
3.600-4.800 mAh
4.500-5.800 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 650-58-1970
 inner diameter:  89,0 mm
 outer diameter:  92,0 mm
 length of shroud:  60 mm, w/o intake lip
 weight, complete:  348 grams (opt. intake rin + 19g)
 fan swept area:  49,40 qcm
 rotor:  11 blades, Nylon (glass reinforced)
 
 rec. thrust tube dia.:  75 mm diameter
 Timing ESC:  approx. 6 (4-pole motor)
 PWM:  8-12 kHz

Readings: 
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.

Shipping weight: 0,40 Kg
Product weight: 0,30 Kg

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Share your experience with other customers:

Total entries: 2
5 from 5 Midi Fan evo ducted fan unit / HET 650-58-1970

Perfectly balanced turbine - very nice work

., 30.03.2017
5 from 5 Midifan

Price/Quality is outstanding compare to other brands.

., 04.09.2018
Total entries: 2