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DS3717HV High Voltage High Speed Mini Servo MG, JR Radio JRPS3717HV
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This Product Qualifies for "No Charge" Ground Shipping (RC Air Product Orders Over $150.00) see below*
The JR 3717 is a High Voltage, high speed, high performance, digital metal gear servo for small aircraft, helis and sailplanes. The JR 3717HV is the latest update to the JR mini servo lineup. Based on the original and successful DS3517MG servo, it has JR’s new high voltage motor allowing it to be used unregulated when using 2-cell LiPo power. With the added performance generated by the new HV motor this servo packs quite a punch. It has many options for use including 500-size helis, many sailplane configurations, and is suitable for the many new jet offerings now available to the market, especially the new and exciting EDF’s.
Check back soon for more products related to this item.
Battery chemistries such as LiPo, LiIon, and LiFe 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 then the previous standard 4 - and 5-cell NiCd and NiMH packs, 4.8V and 6V respectively. The higher voltage is not 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 LiPo, LiIon, or LiFe 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. Also note that the HV servo specs are shown at the higher voltage (7.4V 2S LiPo) but will still operate on a standard 5-cell 6V NiCd, Ni MH battery with a reduction in performance of approximately 10% in speed and torque.
  • Native 2S lipo operation Eliminates the need for a regulator
  • High Speed
  • High performance Excellent power and speed for it's size
  • Metal gear train
  • Digital precision for Accuracy and performance
  • JR's 3 year warranty
    Size Category: Minis and Micros
    Type: Digital
    Application: Great for 500-class heli cyclic and 25- to 32-size park flyer type aircraft
    Torque: 56 oz-in (2S Li-Po)
    Speed: .08 Sec/60° (2S Li-Po)
    Length: 1.30 in
    Width: 0.58 in
    Height: 1.05 in
    Weight: 1.0 oz
    Gear Type: Metal

  • Our Price:$94.99
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    *All Radio Control "Flying Products and Support Items" Item Orders Exceeding $150.00 Total Shippable Merchandise after Discounts, Qualify for "No Charge" Ground Shipping to the lower 48 states (except fuel)
    This Item Qualifies Toward Your $150.00 Order

    Oversize Shipping Charges - If Shown May be Added to This Item when Shipped

    CHOKING HAZARD-Small parts. Not for children under 3 years
    Carefully study the packaging materials and documentation associated with any product purchased for applicable warnings


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