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KD KA400H 3500kv brushles Heli Motor

KD KA400H 3500kv brushles Heli Motor

Discontinued Product

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Rating:
Stock:
OUT OF STOCK
Weight:
55 g
SKU:
KA400H
Product
Description

KA400H
Shaft Size: 3.17mm~14mm / 2.3mm~14mm (two shaft sizes included)
Motor Dimensions: ³28mm~29mm    
Weight: 43g

Spec.
Kv: 3500rpm/V
Battery: 2-3cell Lipo (7.4-11.1v)
Opperating Current: 8-16A
Peak Current: 19A

Product
Specifications

Additional Information

  • SKU:
    KA400H
  • Brand:
    N/A
  • Shipping Weight(g)
    55.00
  • Length
    110.00
  • Width:
    45.00
  • Height:
    46.00
  • Kv(rpm/v)
    3500.00
  • Unit Weight (g)
    43
  • Max Currents (A):
    19.00
  • Resistance (mh):
    0.00
  • Max Voltage(V)
    11.00
  • Power (W)
    0.00
  • Shaft A(mm):
    3.00
  • Length B (mm):
    28.00
  • Diameter C(mm)
    28.00
  • Can Length D(mm)
    15.00
  • Total Length E(mm):
    44.00
Community
Discussions
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Review

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I've just received this motor, and it came with two 3mm shafts. Although description of this item was wrong it's OK for me, because 10T 3.17mm pinions are out of stock :-)
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Great motor, better than some of the eflite motors I have used in the past. Shaft is kind of hard to take out.
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very powerfull motor not only for heli. use it in a fixed wing on 3cell that weicghts up to 500g (HK Parkjet for example) and your the speedking on your local flyingfield.
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excelente motor, mas deve ser instalado com um ESC de 30A
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Exellent motor

makes my falcon 3D rock

i orderd another one

cant go wrong withg this sucks less power then the original motor went from 4 to 5 minute flights to like 7plus with a 1300mah battery
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I've been putting this off because I hate to leave a less than stellar review on hobbyking but here's what I experienced with this motor. First look, I received two 3.17 mm Shafts rather than both sizes advertised. This is fine since its the shaft I needed. Next, they were airplane shafts, net Heli shafts, the groove for the c clip was cut at the bottom instead of 2/3 of the way up so it was not possible to put a clip on. I planned on using this on a pusher jet so I needed to reverse the shaft, this required supporting the can with a piece of 1/8" pipe and heating the can with a torch before beating it out with a punch. Once all this was done I learned that the motor can't handle much heat. Burned out in ~90 seconds in flight with a 6x4 prop on a 3s battery. Went ahead and reinsulated the stator and wound it up with some RadioShack magnet coil wire to a slightly lower kv value and tried again. Same result. I'll keep it around, maybe rewind to original spec (mine arrived as 8 turns delta with six strand 28awg) and put it on my hbk3.
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If you have money for to expend, you have to buy this motor. I recieve one of this, and the CNC motor head is deformed, Why Hobbyking not inspect the items of his customers?
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no se puede usar para el HK250 demasiado grueso, shaft to strong fix in, dificult to change, se soltaron los imanes al tratar de cambiar lo y tenia que retificar el gujero eje, mas pegar los imanes y se doblo el chasis a si que!!!
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Use it on my blade 400 eflite, as a replacement motor. good performance
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Purchased 2 of these motors.

They are great for there size but I would NOT recommend them for a 450 class heli.

Even with a 9 tooth pinion gear the motor still gets hot after 30 second flight. ESC also getting hot.

Put a meter on the motor and it is drawing 38A on the 450 with a 10 tooth pinion.

Larry
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KA400H Package Contents download now [3888kb]

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