Mini Fan evo ducted fan unit / HET 3W20, completely assembled, precision balanced and harmonically tuned

Item number: MFE 3W20

69 mm ducted fan unit (9-blades)
6s Lipo cells
1,40 kp of thrust
completely mounted, checked, completely balanced and harmonically tuned

Category: with HET motors


119,90 €

including 19% VAT. , plus shipping

Recommended retail price: 119,90 €
Available now!

Delivery status: when light is red, approx. 8-10 days from time of order

Shipping time: 2 - 3 workdays



Modern high efficiency multi bladed fan unit.

The fan unit comes completely mounted with a HET 3W20 motor.
The unit is assembled and checked at factory, precision balanced and harmonically tuned.


Readings
 
6s
 Voltage
22,2 V
 Current
39 A
 Power
866 W
 rpm  
 thrust
1,40 kP
 efflux velocity
62,4 m/s
 efficiency
0,50
 controller
> 50 A / HV
 Battery
2.000 - 2.600 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 Mini Fan evo ducted fan unit
1 x HET 3W20

 inner diameter:  69,0 mm
 outer diameter:  72,0 mm
 length of shroud:  60 mm, w/o intake lip
 weight, complete: 155 grams (opt. intake ring + 15g)
 fan swept area:  29,40 sqcm
 rotor: 9-blades, Nylon (glass reinforced)
 
 rec. thrust tube dia.:  56 mm diameter
 Timing ESC:  approx. 12 (6-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: 0,30 Kg
Product weight: 0,20 Kg

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