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Corona CS238HV Analog Metal Gear Servo 4.6kg / 0.13sec / 22g

Corona CS238HV Analog Metal Gear Servo 4.6kg / 0.13sec / 22g

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$8.70
Rating:
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Weight:
43 g
SKU:
014000034-0

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Product
Description

Corona CS238HV Analog Metal Gear Servo 4.6kg / 0.13sec / 22g

 

Specs:
Model: CS238HV
Operating Voltage: 6.0V / 7.4V
Operating Current: 300mA / 400mA
Operating Speed: 0.14sec.60°/ 0.13sec.60°
Stall Torque: 4kg.cm / 4.6kg.cm
Size: 29X13X30mm
Weight: 22g
Dead Band: ≤5uSec
Operating Travel: 40°/one side pulse traveling 400us
Potentiometer: 3 slider/Indirect Drive
Ball bearing: MR106
Gear: Metal
Spline count: 25
Connector wire: 215mm
Operating Temperature Range: -20°C ~ +60°C

Product
Specifications

Additional Information

  • SKU:
    014000034-0
  • Brand:
    Corona
  • Weight(g)
    43.00
  • Length
    70.00
  • Width:
    30.00
  • Height:
    50.00
  • Speed (Sec/60deg)
    0.13
  • Torque(kg)(min. 0.01kg)
    4.60
  • Unit Weight (g):
    22
  • A(mm):
    35.00
  • B(mm)
    29.00
  • C(mm)
    31.00
  • D(mm):
    13.00
  • E(mm):
    40.00
  • F(mm)
    20.00
Community
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verified_user Quality
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These servos work just fine with my orange receiver and a 5 volt BEC.
The complaint I have is with the servo arms. They do not fit the metal out put shaft (spline) on the servo; the servo arm holes are too small. I had a few old arms from a full sized FMA servo and they seem to fit ok.
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God og billig servo, momsen skal ned I DK foer vi gaar konkurs
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These servos are great for 50-60" plane currently my servos hooked in rudder and elevator. They r high performance servos according to their cost. In short they r worth the price.
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Sad to say I have come to the conclusion that these servos are not HV in a useable sense.
They might be HV in that they do not burn out after being connected to a 2s LIPO for 45 minutes but they develop a dose of frantic jitters at end of travel. Who wants their ailerons or elevator beating the air at full travel? This gradually decreases in intensity as the voltage is lowered. Even at 6v they are jittery to the point I would not use them.
Everything goes smooth, quiet, and stable at 5V and I would never use them at any higher voltage.
All 4 servos I purchased behave like any other standard, cheap, strong servo at 5v.
Forget the HV specification.
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Just received 4 of these little beasts. Hooked them up to one of my Orange Futaba FAAST compatible RX's and tried them at various voltage rates. I set the RX to analog mode - 3 slow flashes. Servos are wildly jittery on 2s 7.2v Lipo, extremely jittery on 6.4v LIFE, mildly jittery with BEC set to 6v and quite good with BEC jumper set for 5V.

So useable High Voltage they are NOT. I suspect the Orange RX can be a bit noisy so will try later with FrSky RX when one is available as I have had better smoother results with them.
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