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  1. S

    Need Help from the tricopter Gurus!

    Bought all the stuff to build and fly a Bat Bones tricopter. Bought a Turnigy 9XR radio to fly it with. Tried to download Open TX to the radio, and failed miserably. Have an Apple Mac computer, downloaded the Companion 9X software, and the Crosspack AVR software, and tried to download the open...