The fan unit comes completely mounted with a HET 650-58-1480motor. 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 650-58-1480 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)
