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EDF Ducted Fan Wemotec Mini Fan evo 70mm (9 blades) + HET 2W-20

MFE-2W20-PACK

New product

Wemotec

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 2W20 motor. This Pack is precisely assembled, balanced and tested by us.

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$119.90

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Data sheet

Weight (gr): 155
EDF thrust (categorization) 1-2kg
Direction of Rotation (EDF Rotor) Classic Counter Clock Wize (CCW)
EDF Diameter Class (mm): 70
Blades: 9
Turbine shroud Synthetic
EDF Rotor Synthetic
Turns/min/Volt (Kv): 3400
Motor Type: In-Runner
Motor Diameter (mm): 28
Shaft diameter (mm): 4
Battery Cells: 3s - 11.1v, 4s - 14.8v

More info

EDF Ducted Fan Wemotec Mini Fan evo / HET 2W-20 (Pack)

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 2W20 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.

Reading

 
3s
4s
 Voltage
 11.1 V
 14.8 V
 Current
nc
 57.0 A
 Power
nc
nc
 rpm nc  tbc
 Thrust
nc
1,35 kp
 Efflux velocity    
nc
nc
 Efficiency
nc
nc
 Controller
> 50A / LV
> 80A / LV
 Rec. Battery 
    2200-3400 mAh   
   2600-3800 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 pro ducted fan unit
  • 1 x HET 2w20
 
 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 rin + 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.

Motor specification

Typhoon HET EDF 2W-20 Motor 28mm 3400Kv, for pylon / EDF jets up to 1300 grams. Suitable for HET EDF unit 6904, WemoTec Mini Fan, Changesun 70mm or equivalent. 3 or 4s Lipo.

  • Diameter : 28 mm
  • Length : 43 mm
  • Shaft Dia. : 4.0 mm
  • Weight : 93 grams
  • No load current(lo) : 2.6
  • Internal resistance: 0.014
  • KV : 3400
  • No. of poles: 6
  • Max Current: 60 A
  • Max efficiency: 89%
  • Power Nominal: 700 Watts
  • Recommended Props: APC E 4.7 X 4.7 (3 cells lipo)
  • Advance timing : 18° Middle PWM: 16 Khz

Mini Fan evo unit Specifications

  • Material: Nylon, ABS, Aluminium
  • Weight: approx. 57 g (with intake ring + 15g)
  • Power: 500-3.000 W
  • max rpm: 60.000
  • Rotor: 9 blades(68 mm) glass reinforced
  • Kit comprises: all components, english instruction
  • Ageom.: 29,4 qcm
  • Aeff.: 26,2 qcm
  • Thrust: 6-30 N

Thrust tube should be 56 mm in diameter for best performance.
You can find several versions of such tubes in our shop.

 

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EDF Ducted Fan Wemotec Mini Fan evo 70mm (9 blades) + HET 2W-20

EDF Ducted Fan Wemotec Mini Fan evo 70mm (9 blades) + HET 2W-20

Modern high efficiency multi bladed fan unit. The fan unit comes completely mounted with a HET 2W20 motor. This Pack is precisely assembled, balanced and tested by us.

Pack content

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