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EDF Ducted Fan Hacker Stream-Fan 90 / 1200Kv


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Combo 90mm / 11 pales / 1200Kv (inrunner) / 10S / 475g
> 10S (37V) : 78A / 4.4kg / 3220W

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Data sheet

Weight (gr): 475 gr
EDF thrust (categorization) 4-5kg
Direction of Rotation (EDF Rotor) Classic Counter Clock Wize (CCW)
EDF Diameter Class (mm): 90
Blades: 11
Turbine shroud Synthetic
EDF Rotor Synthetic
Turns/min/Volt (Kv): 1200 Kv
Motor Type: In-Runner
Motor Diameter (mm): 39
No. of Magnet Poles: 4 Poles
Shaft diameter (mm): 5
Voltage (Volts): 10s (37v)
Battery Cells: 10s - 37v

More info

EDF Ducted Fan Hacker Stream-Fan 90 / 1200Kv

Hacker Stream-FAN 90/1200 combo with WeMotec Midi Fan evo (11 blades) and Hacker E50M 3D 1200Kv motor. The fan unit comes completely mounted. The unit is assembled and checked at factory, precision balanced and harmonically tuned. For Lipo 10s, 78A and 4.4kg of thrust.


Our new impeller Series combines two quality products to a high-efficiency propulsion. The Wemotec EVO impeller in conjunction with our new specially adapted to impeller engines will bring your model to unimagined power ranges. The impellers are assembled and finely balanced .
This Pack, composed with the EDF unit, the motor and the assembling and balancing service, is precisely set, harmonically balanced and tested by us.

Technical specifications

  • Motor: E50M 3D 1200Kv
  • EDF: 11-blades
  • LiPo : 10s
  • Weight incl. Motor: 475g


  • voltage under load: 37V
  • ampere: 78A
  • thrust: 4400g
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.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.


  • EDF Combo Stream-Fan Hacker 90/1200

Motor technical specifications

E50M 3D 1200Kv  suitable for WEMOTEC Midi Fan EVO Ducted Fan

  • Diameter: 39,1mm
  • Length: 79mm
  • Shaft diameter: 5mm
  • Weight: 375g
  • KV: 1200
  • Poles: 4
  • Recommended timing:10-15°
  • R(I):  13mOhm
  • I(0)@37V:  3,1A
  • Recommended ESC: 90A and more

Midi Fan evo unit Specifications

  • Material: Nylon, ABS, Aluminium
  • Internal diameter: 89mm
  • External diameter: 93mm
  • Weight: approx. 102g (with intake ring + 15g)
  • Power: 1000-4000 W
  • max rpm: 50.000
  • Rotor: 11 blades (97mm) glass reinforced
  • Kit comprises: all components, english instruction
  • Ageom.: 49.4 qcm
  • Aeff.: 45.6 qcm
  • Thrust: 7-50N
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    EDF Ducted Fan Hacker Stream-Fan 90 / 1200Kv

    EDF Ducted Fan Hacker Stream-Fan 90 / 1200Kv

    Combo 90mm / 11 pales / 1200Kv (inrunner) / 10S / 475g
    > 10S (37V) : 78A / 4.4kg / 3220W


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