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    Hydraulic Conversion Kit for 2 Wheels Air Up/Down Retracts.

    Hydraulic Conversion Kit for 2 Wheels Air Up/Down Retracts.

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    Hydraulic Conversion Kit for 2 Wheels Air Up/Down Retracts.

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    Hykit2wheel
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    Product Description

    Hydraulic Conversion Kit for 2 Wheels Air Up/Down Retracts.

    The Hobbyking Hydraulic Conversion kit for air retracts is designed to eliminate often unreliable air operation for oil hydraulic operation, just like a full size aircraft.

    Operating at a pressure of up to 10bar, driven by an electric pump, sticking retract leg's and retract failure in flight through air leaks will be a thing of the past, while retract speed will look just like the real thing.

    There is no need to change you retracts as the system will operate with your existing units, this system simply changes the operating system (replacing your air tank, actuator valve & fittings), the actuator is the same type as your existing set up [servo operated] and an additional, adjustable control unit determines the length of time the pump runs for each stroke of the retracts (up & down) to ensure reliable operation and locking up/down of the actuating rods.

    Specifications:
    Weight: 310g for all components
    Fittings: 4mm

    Dimensions of components:
    Motor inc fittings: 28mm x 72mm
    Control Unit: 69mm x 48mm x 18mm
    Oil Reservoir: 120cc

    Included:
    Retract up/down actuator
    Motor control unit with over current protection
    Oil tank
    Electric Motor
    2.5metres of 4mm tubing
    1 x straight 4mm to 4mm push in connector
    3 x t-pc 4mm push in connector

    Required for operation [not included]:
    1300mAh 2s Lipoly
    mini or standard size servo
    Electrical connectors
    Hydraulic Oil Grade32

    Product Specifications
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    Reviews

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    osman.sevgi | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    May 06, 2015

    Hi everybody I need connection manual for this conversion kit. how can I connect controller and valve servo to receiver and how they will work. Thank you very much.

    jerry | Verified Buyer

    • Overall
    • Quality
    • Value

    Customer Rated

    Jun 04, 2012

    I have instaled this sistem in my plane, it did work for few gear rotation and then quit working. Did this hapen to anyone else?? One more negative coment, not enough line.

    Jim561 | Verified Buyer

    • Overall
    • Quality
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    Customer Rated

    Feb 21, 2012

    Lots of adjusting to get the system timing working. Expect to tinker, but that is normal with any retract system. Can be converted to work for a tri-gear setup. Ths is very easy ... Use one line for the nose gear, and the other line can operate the mains by putting a T connector in the second line to actuate both mains at the same time. Pretty simple!

    Lars Arne | Verified Buyer

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    Customer Rated

    Aug 15, 2011

    I must agree - this system is working perfect. I use it on my FEJ F-15 and it is performing perferct all the time. I prefer to use 4,8 volt battery, the operation seem so scale and with this pack you will take off some strain on the electromotor when locking

    Shane | Verified Buyer

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    Customer Rated

    Jul 01, 2011

    These are great and I have been using them for a long time now on my jets, best piece of advise is to use sewing machine oil as it is a much better viscosity.

    Andy M | Verified Buyer

    • Overall
    • Quality
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    Customer Rated

    May 23, 2011

    Excellent system but requires reducers to fit airlines to the retracts. Works very scale like and is very reliable. No more air leaks!!! I would recommend it for any 50cc and up warbird. Weight might be an issue on smaller birds.

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