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JR DS8411HV High Voltage Digital Servo with Metal Gears 60g/17.3kg/0.15s

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JR DS8411HV High Voltage Digital Servo with Metal Gears 60g/17.3kg/0.15s


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The DS8411HV is part of JR's range of high voltage digital servos. This high voltage, high torque servo has been designed for use with large scale & aerobatic aircraft. This servo is the most powerful in the standard range of JR servos. The gear train is almost unstrippable as it uses a combination of hardened steel and brass gears, also the ball bearing spacing on the output gear is perfectly spaced to prevent radial  output play which assures accuracy when under extreme loads.

Battery chemistries such as Li-Po, Li-Ion, and Li-Fe have become very popular within the RC community. They are the standard for powering electric motors and have also gained popularity as receiver battery packs. The issue is the output voltage of these batteries is higher than the previous standard 4 and 5-cell NiCd and NiMH packs, 4.8V and 6V respectively. The higher voltage is not normally an issue with the receivers but can be for the servos. Many servos will not operate at these higher voltages for very long before burning out the motors or electronics.

To get around this issue modelers have had to use a regulator to drop the voltage to an acceptable operating range for their servos, usually around 5 to 6 volts. The addition of a regulator adds a component that, should it fail, can cause the loss of a model.

JR's HV servos are designed with motors and electronics that operate off the direct voltage of a 2-cell Li-Po, Li-Ion, or Li-Fe receiver battery pack (6.6V to 7.4V nominal voltage). This eliminates the need for a regulator and lowers the chance for a power failure that can cause a catastrophic failure of your model. 

This servo also has a slow start function. This function is to avoid any potential damage to the linkage on giant scale airplanes with the moving surfaces. On initial power up this servo returns to the neutral position very slowly to avoid this problem.

• High torque
• High voltage
• Slow start function
• Metal gears
• Dual bearings

Type: DS8411HV
Category: Standard
Operating Voltage: 6~8.5V
Torque: 14kg@6V~17.3kg@7.4V
Speed: 0.19s/60° (6V)~0.15s/60° (7.4V)
Amplifier: Digital
Bearing: Dual ball bearing
Gears: Hardened steel and brass
Deadband: Less than 1ms
Dimensions: 34.5 x 19 x 39mm
Weight: 60g

DS8411HV servo
Spare output arms
Rubber grommets with inserts
Mounting screws

  • Servo Torque(kg)(min. 0.01kg) 17.30
  • Servo Speed (Sec/60deg) 0.15
  • Servo A(mm) 40.00
  • Servo B(mm) 39.00
  • Servo C(mm) 35.00
  • Servo D(mm) 19.00
  • Servo E(mm) 51.00
  • Servo F(mm) 27.00

Dimension Diagram Guide

  • attributeset-11


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