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3D Robotics heavy lifter hex for sale

Discussion in 'Classifieds' started by SteveMann, Oct 12, 2014.

  1. SteveMann

    Joined:
    Aug 27, 2014
    Messages:
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    Location:
    Westford, MA
    I want to buy a Phantom kit, but my wife says that I have to sell my hex first, so if you know of someone who wants to buy a heavy-lifter, this copter should be good for them.

    This is the original long-arm 3DR hex drone. Of course with some modifications. My original plan was to add a gimbal to carry a DSLR camera for photography, but I never got around to it. In my tests I was able to lift 3 pounds of dead weight.

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    Includes:
    APM2 Autopilot
    3DR Radio Telemetry transmitter and Receiver (450MHz).
    Spektrum DX7S RC Transmitter and AR8000 8-channel receiver (installed).
    Spektrum TM1000 telemetry transmitter.
    3DR AC2 Sonar
    uBlox GPS
    Binder of assembly notes, setup notes, schematics, etc.
    Spare set of APC 12X3.8 Composite props.
    Spare set of original plastic props. (Use these while learning to fly the hex, they are cheaper).
    Box of spare parts including motors (3 previously installed, one new).
    Two Turnigy 2200mAh 3C batteries, shipped separately.
    Venom 2/3c LiPo Charger/Balancer.
    Two-axis GoPro Camera gimbal, assembled but never installed. Complete with servos.

    Modifications:
    I replaced the stock props with APC Composite propellers after I lost one prop at 100 ft. The hex landed rough but not out of control even with a missing prop.
    When I installed the sonar bracket, I realized that it made the long arms much more robust, so I added the sonar brackets between each arm reducing the flexing of the long arms. It also gave me the benefit of a nice place to put the various radio modules.

    Wherever possible, the hex nuts were replaced with NyLock nuts.

    I moved the battery ties to the top to allow for a gimbal to be installed below the hex. I never got around to installing a gimbal.
    The original landing gear are a joke and easily broke on normal landings. I made aluminum landing legs and added the whiffle balls to keep the legs from grabbing the grass on a soft-field landing.

    All total, I have well over $1800 invested in this copter. Reasonable offers will be considered. It is a stable, ready to fly aircraft.

    I am located near Boston, MA Email is steve@mann.ws

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