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HobbyKing ™ 939MG Servo MG 2,5 kg / 0.14sec / 12.5g

HobbyKing ™ 939MG Servo MG 2,5 kg / 0.14sec / 12.5g

QTY:

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4,56 €
Stock:
Peso:
33 g
SKU:
HK939MG

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Descripción
del

HobbyKing 939MG Metal Gear Servo 2,5 kg / 0.14sec / 12.5g
Un buen desempeño con un movimiento muy suave y un buen centrado.
Excelente para parkflyers o planos de hasta 0,40 tamaño (3,500mAh eléctrica).

Especulación
Modelo: HK939MG
Tamaño: 22.5X11.5X24.6mm (0.88 "x0.45" x0.96 ")
Peso: 12,5 g
Voltaje de funcionamiento: 4.8V / 6.0V
Corriente de funcionamiento: 200mA / 240mA
Velocidad Operateing: 0.14sec.60o / 0.13sec.60o
Par de arranque: 2.5kg.cm / 2.7kg.cm
Banda muerta: ≤5uSec
Velocidad Operateing: 40º / un lado itinerante pulso 400US
Potenciómetro: 2 deslizador / Direct Drive
Cojinete de bolas: MR85
Engranaje: Metal
Conector longitud del cable: 215 mm
Temperatura de funcionamiento: -20 ° C a + 60 ° C

Product
Specifications

Información adicional

  • SKU (Número de Referencia):
    HK939MG
  • Brand:
    HobbyKing
  • Peso ( g)
    33.00
  • Longitud
    45.00
  • Ancho:
    30.00
  • Altura:
    40.00
  • Velocidad ( Sec / 60 grados )
    0.14
  • Par ( kg ) ( min . 0,01 kg )
    2.50
  • Unit Weight (g):
    12.5
  • A ( mm ):
    31.00
  • B ( mm )
    23.00
  • C ( mm )
    29.00
  • D ( mm ):
    12.00
  • E ( mm ):
    32.00
  • F ( mm )
    21.00
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Kraftvolles Servo, nur das Gehuse Plastik ist meines Erachtens billig. Schade, dass wre die Top-Wertung geworden. Fr Flchenmodelle guter Durchschnitt.
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I ordered 4 of them. Tested and all working. I will update my review when I start to use them in my trainer.
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Compared to what I needed, I got metal gears instead of carbonite gears (my personal opinion: good, some more play, but robust), some more weight (12 instead of 9g), but 11,5 height instead of 9mm, what caused design modifications. on the other side: I paid 75pcnt less, this helps a lot for the efforts needed.
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Caution Be a little careful which receiver you match these servos with. Even individually they can momentarily draw a current demand large enough to cause a voltage drop sufficient to reboot your receiver, resulting in a couple of seconds brown out whilst it re-initialises. Displays this trait on an orange R620, even with just a single servo moved rapidly and with two different dedicated high rated receiver batteries so not a low rated BEC issue. RX works fine with no drop outs with HXT900s or Turnigy TGY5009M. Others are finding this too with the Corona / Hobbyking 929 / 939 series and are putting capacitors across the RX pins to avoid it, but you might just prefer to get a less spikey servo!
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I've been using these for a while now and haven't ever had a problem. I'm one that rarely cuts corners on servos so I fly these on cheap planes and mostly friends planes. They are reliable but you can definitely feel the low resolution. I use Futaba 3156's in most my planes for this size but those cost $45 each and these are just a little over $5. For my precision planes I would never use these they aren't a replacement for my 3156 but they do fine on my scratch build planes.
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I have bought several of these MG servos in the past and I still use them without any problem at all. Whenever I buy a plane with a non mg servo installed on the elevator, I replace it with this servo. These are strong, have a precise and smooth movement/centering.
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Cracking little servo...well recommended
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I don't know what others say... I use it in every built of mine and I never had any problems!
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I bought two of these servos and they are very good value for the money - fast, strong, accurate. I bought them on recommendation from fellow modelers - they are proven performers.
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gPrice and excellent quality.



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