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EDF Ducted Fan Wemotec Midi Fan evo 90mm (11 blades) + HET 650-68-1130

MDE 650-68-1130-PACK

New product

Wemotec

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 650-68-1130 motor. This Pack is precisely assembled, balanced and tested by us.

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Data sheet

EDF thrust (categorization)3-4kg, 4-5kg
Direction of Rotation (EDF Rotor)Classic Counter Clock Wize (CCW)
EDF Diameter Class (mm):90
Blades:11
Turbine shroudSynthetic
EDF RotorSynthetic
Turns/min/Volt (Kv):1500
Motor Type:In-Runner
Motor Diameter (mm):36
Shaft diameter (mm):5
Battery Cells:10s - 37v, 12s - 44.4v

More info

EDF Ducted Fan Wemotec Midi Fan evo / HET 650-68-1130 (Pack)

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 650-68-1130 motor. 

This Pack, composed with the EDF unit, the motor and the assembling and balancing service, is precisely set, harmonically balanced and tested by us. It can be directly installed inside your model.

Readings

 10s11s12s
 Voltage
37.0V
40.7V
44.4V
 Current
57.5A
65.0 A
74.0A
 Power
2128 W
2646 W
3286 W
 thrust
3.42 kg
3.95 kg
4.48 kg
 Efflux velocity    
74.46 m/s
80.02 m/s
85.22 m/s
 Efficiency
0,60
0,60
0,57
 Controller
> 60 A / LV
> 80 A / HV
> 90 A / HV
 Battery
  2.900-3.800 mAh  
   3.300-4.300 mAh   
   3.700-5.000 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.
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.

Set comprises

  • 1 x Midi Fan pro ducted fan unit
  • 1 x HET 650-68-1130

Motor specifications

  • Diameter : 36 mm 
  • Length : 67.5 mm
  • Shaft Dia. : 5 mm 
  • Weight : 300 grams 
  • Internal resistance: 22.5
  • No load current (lo): 1.3 
  • Max efficiency: 88% 
  • Poles : 4 
  • No load KV : 1130
  • Suggested lipo cells. : 12S 
  • Max amps: 75A (12S)
  • Power Nominal: 2800 watts
  • Thrust: 3.3kgs (37V) / 4.6 kgs (44.4V)
  • Recommended advance timing : low
  • Specially designed for 9305 and Midi fan units
  • Includes Aluminum Heat Sink and tools

Midi Fan evo unit Specifications

Ducted Fan unit of the poular 89 mm Midi Fan class, both optimized for Sound and efficiency. This fan brings efficiency of multibladed fans to a new level. The one piece glass reinforced Nylon rotor comes calibrated and dynamically balanced. All components are compatible to the former Midi Fan pro. 

  • Material: Nylon, ABS, Aluminium
  • Weight: about 102 grams, incl. intake lip
  • Power range: 1.000-4.000 W
  • Max. rpm: 50.000 U/min
  • Rotor: 11-blades (87,5 mm) glass reinforced Nylon
  • Set: all parts, incl. instruction
  • Ageom.: 49,4 qcm 
  • Aeff.: 45,6 qcm 
  • Thrust: 7-50 N

 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 rin + 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
 

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EDF Ducted Fan Wemotec Midi Fan evo 90mm (11 blades) + HET 650-68-1130

EDF Ducted Fan Wemotec Midi Fan evo 90mm (11 blades) + HET 650-68-1130

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 650-68-1130 motor. This Pack is precisely assembled, balanced and tested by us.

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