VR Pro Duo

VR Pro Duo


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 High end Linear regulator, 2 batteries redundancy input, come with FSS-3 fail safe pin switch.

  • Miniaturization design, input & output port using horizontal row;
  • Dual battery input design, automatic switching and  between batteries;
  • 4 current outputs, support 4 channel servos direct connection;
  • Plug and play. No need to weld the connectors;
  • Internal dual input voltage monitor for low voltage with memory function;
  • Support HV servos (7.4V), output voltage is switchable;
  • Includes FSS-3, the failure safety switch with status indicator (#46813),
  • VR Pro Duo also supports FSS-4 lightweight switch(#46814);
  • Equipped with heat sink and external cooling fan (#46816);
  • Support up to 10pcs of 30kg digital servo;
  • Use for largest 13KG model aircraft,Helicopter, eg.120CC Powered Aircraft.

Electrical Features:

  • Linear regulator, no interference, low ripple;
  • The input power uses simulated diode dual redundancy power supply;
  • Double MosFET output, independent linear control IC, high output current
  • Low dropout design makes fully use of the cell's capacity,on HV mode;
  • Large heat sink, good heat dissipation and high overload capacity;
  • Built-in MCU precisely controls FSS-3 and internal voltage;
  • Fail safe design, ensuring Non-stop work;
  • SMT process, insuring the quality;
  • Input & output port all use high quality tantalum capacitors;
  • Fully tested before dispatch.


  • Input voltage: DC5.3V -8.4V, MAX10V (2S LiPo)
  • Output voltage: 5V, 6V, 7.4V (Switchable, Tolerance + 3%)
  • Output current: DC 0 -15A (Vin-Vout =1V)
  • Minimum differential voltage: < 0.3V
  • Power effect: %0.3
  • Voltage effect: %0.3
  • Output ripple: < 2mV
  • Size: 63mmX32mmX18mm
  • Weight: 62g (including duo input wires)

  • 3G Link cable

    ●3G link cable incorporates PC configuration GUI (graphical user interface) and latest 3G firmware update to improve system stability, and added pirouette compensation to stabilize center point during pirouettes.
    ●Opens up numerous configuration parameters within the 3G system. Pilots can fine tune the system through the PC GUI to suit individual preferences.
    ●Configurable parameters includes options relating to aileron, elevator, rudder, and combined functions.
    ●Provides real time display of radio control signal speed output, so pilot can fine tune the system based on the helicopter response to control sticks relationship display .
    ●Ability to display the current status of parameters in 3G system for setup verification.
    ●Parameter import/export function to allow backup of settings, as well as exchange of parameters with others through internet.

    ●Compatible with USB version 1.0/1.1/2.0
    ●Minimum OS requirement:WINDOWS XP/ VISTA/ 7
    ●CD Content:
    3G V2.1 Upgrade Software
    3G Configuration GUI
    USB Driver
    Microsoft .NET Framework 3.5 URL
    Instruction Manual

    SKU: HEP3GF02
  • 600 Tail Torque Tube Unit

    Brand new tail gear box with higher material quality and easy maintenance.
    Utilizes dual point attachment design for zero play and higher precision control feel.
    Constructed with CNC aluminum alloy, with precision ball bearing at moving points, improving structure rigidity and smoothness, allowing rudder control to be more precise and smooth.
    6061-T6 Aluminum alloy material and CNC processed.
    Suitable for T-REX 550/600.


    Metal plate(L) × 1
    Metal plate(R) × 1
    Tail unit set × 1
    Tail rotor shaft assembly set × 1
    Bearing MR105ZZ × 2(Φ5xΦ10x4mm)
    Bearing 6701ZZ × 2(Φ12xΦ18x4mm)
    Socket screw × 4(M3x6mm)
    Socket screw × 1(M3x20mm)
    Vertical stabolizer mount × 1
    Socket collar screw × 2(M3x22mm)
    M3 Specialty washer × 2(Φ3xΦ8x2mm)
    Collar × 1(Φ12.4xΦ18x10mm)
    I-shaped Arm × 1
    Mount Link × 1
    Bearing holder × 1(13.5x12.5x9.5mm )
    Linkage ball A(M2x3.5) × 1(Φ4.75x8.18mm)
    Tail control arm × 1
    Bearing holder × 1(Φ7x Φ8.3x3.5mm)
    Bearing F682XZZ × 6(Φ2.5xΦ7.1xΦ2.6mm)
    Bearing MR117ZZ × 2(Φ7xΦ11xΦ3mm)
    Socket button head screw × 1(M3x5mm)
    Socket button head screw × 6(M2.5x5mm)
    Slider Shaft × 1(Φ8x7x17.6)
    SKU: H60252
  • CF Horizontal stabilizer

    Horizontal stabilizer, carbon LOGO 10/16/

    SKU: Mik-2781
  • DS420 Servo Gear Set

    This is a replacement Align Servo Gear Set, and is intended for use with
    the Align DS420 Servo. This package includes gears G1, G2 and G5
    SKU: HSP41036
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